diff --git a/background.js b/background.js
index cceb207..04fcd5a 100644
--- a/background.js
+++ b/background.js
@@ -23,6 +23,7 @@ importScripts(
   'phone-sms/providers/five-sim.js',
   'phone-sms/providers/nexsms.js',
   'phone-sms/providers/madao.js',
+  'phone-sms/providers/sms-bower.js',
   'phone-sms/providers/registry.js',
   'background/phone-verification-flow.js',
   'background/account-run-history.js',
@@ -702,12 +703,14 @@ const PHONE_SMS_PROVIDER_HERO_SMS = PHONE_SMS_PROVIDER_HERO;
 const PHONE_SMS_PROVIDER_FIVE_SIM = PHONE_SMS_PROVIDER_5SIM;
 const PHONE_SMS_PROVIDER_NEXSMS = 'nexsms';
 const PHONE_SMS_PROVIDER_MADAO = 'madao';
+const PHONE_SMS_PROVIDER_SMS_BOWER = 'sms-bower';
 const DEFAULT_PHONE_SMS_PROVIDER = PHONE_SMS_PROVIDER_HERO;
 const DEFAULT_PHONE_SMS_PROVIDER_ORDER = Object.freeze([
   PHONE_SMS_PROVIDER_HERO,
   PHONE_SMS_PROVIDER_5SIM,
   PHONE_SMS_PROVIDER_NEXSMS,
   PHONE_SMS_PROVIDER_MADAO,
+  PHONE_SMS_PROVIDER_SMS_BOWER,
 ]);
 const DEFAULT_FIVE_SIM_BASE_URL = 'https://5sim.net/v1';
 const DEFAULT_FIVE_SIM_PRODUCT = 'openai';
@@ -716,6 +719,8 @@ const DEFAULT_FIVE_SIM_COUNTRY_ORDER = Object.freeze(['thailand']);
 const DEFAULT_NEX_SMS_BASE_URL = 'https://api.nexsms.net';
 const DEFAULT_NEX_SMS_SERVICE_CODE = 'ot';
 const DEFAULT_NEX_SMS_COUNTRY_ORDER = Object.freeze([1]);
+const DEFAULT_SMS_BOWER_SERVICE_CODE = 'ot';
+const DEFAULT_SMS_BOWER_COUNTRY_ORDER = Object.freeze([52]);
 const DEFAULT_MADAO_BASE_URL = 'http://127.0.0.1:7822';
 const DEFAULT_MADAO_MODE = 'routing_plan';
 const DEFAULT_HERO_SMS_REUSE_ENABLED = true;
@@ -1447,6 +1452,7 @@ const PERSISTED_SETTING_DEFAULTS = {
   nexSmsApiKey: '',
   nexSmsCountryOrder: [...DEFAULT_NEX_SMS_COUNTRY_ORDER],
   nexSmsServiceCode: DEFAULT_NEX_SMS_SERVICE_CODE,
+  smsBowerApiKey: '',
   madaoBaseUrl: DEFAULT_MADAO_BASE_URL,
   madaoHttpSecret: '',
   madaoMode: DEFAULT_MADAO_MODE,
@@ -1848,6 +1854,9 @@ function normalizePhoneSmsProvider(value = '') {
   if (normalized === PHONE_SMS_PROVIDER_MADAO) {
     return PHONE_SMS_PROVIDER_MADAO;
   }
+  if (normalized === PHONE_SMS_PROVIDER_SMS_BOWER) {
+    return PHONE_SMS_PROVIDER_SMS_BOWER;
+  }
   return PHONE_SMS_PROVIDER_HERO_SMS;
 }
 function normalizePhoneSmsProviderOrder(value = [], fallbackOrder = []) {
diff --git a/phone-sms/providers/registry.js b/phone-sms/providers/registry.js
index d46cd28..a5d7f07 100644
--- a/phone-sms/providers/registry.js
+++ b/phone-sms/providers/registry.js
@@ -6,12 +6,14 @@
   const PROVIDER_FIVE_SIM = '5sim';
   const PROVIDER_NEXSMS = 'nexsms';
   const PROVIDER_MADAO = 'madao';
+  const PROVIDER_SMS_BOWER = 'sms-bower';
   const DEFAULT_PROVIDER = PROVIDER_HERO_SMS;
   const DEFAULT_PROVIDER_ORDER = Object.freeze([
     PROVIDER_HERO_SMS,
     PROVIDER_FIVE_SIM,
     PROVIDER_NEXSMS,
     PROVIDER_MADAO,
+    PROVIDER_SMS_BOWER,
   ]);
   const PROVIDER_DEFINITIONS = Object.freeze({
     [PROVIDER_HERO_SMS]: Object.freeze({
@@ -34,6 +36,11 @@
       label: 'MaDao',
       moduleKey: 'PhoneSmsMaDaoProvider',
     }),
+    [PROVIDER_SMS_BOWER]: Object.freeze({
+      id: PROVIDER_SMS_BOWER,
+      label: 'SMS Bower',
+      moduleKey: 'PhoneSmsBowerProvider',
+    }),
   });
 
   function resolveProviderKey(value = '') {
@@ -133,6 +140,7 @@
     PROVIDER_FIVE_SIM,
     PROVIDER_NEXSMS,
     PROVIDER_MADAO,
+    PROVIDER_SMS_BOWER,
     DEFAULT_PROVIDER,
     DEFAULT_PROVIDER_ORDER,
     PROVIDER_DEFINITIONS,
diff --git a/phone-sms/providers/sms-bower.js b/phone-sms/providers/sms-bower.js
new file mode 100644
index 0000000..1e8dbd7
--- /dev/null
+++ b/phone-sms/providers/sms-bower.js
@@ -0,0 +1,471 @@
+// phone-sms/providers/sms-bower.js — SMS Bower 接码平台适配层
+(function attachSmsBowerProvider(root, factory) {
+  root.PhoneSmsBowerProvider = factory();
+})(typeof self !== 'undefined' ? self : globalThis, function createSmsBowerProviderModule() {
+  const PROVIDER_ID = 'sms-bower';
+  const DEFAULT_BASE_URL = 'https://smsbower.page/stubs/handler_api.php';
+  const DEFAULT_SERVICE_CODE = 'ot';
+  const DEFAULT_SERVICE_LABEL = 'OpenAI';
+  const DEFAULT_COUNTRY_ID = 52;
+  const DEFAULT_COUNTRY_LABEL = 'Thailand';
+  const DEFAULT_REQUEST_TIMEOUT_MS = 20000;
+  const DEFAULT_POLL_TIMEOUT_MS = 180000;
+  const DEFAULT_POLL_INTERVAL_MS = 5000;
+  const PHONE_CODE_TIMEOUT_ERROR_PREFIX = 'PHONE_CODE_TIMEOUT::';
+  const MAX_PRICE_CANDIDATES = 8;
+
+  function normalizeText(value = '', fallback = '') {
+    return String(value || '').trim() || fallback;
+  }
+
+  function normalizeSmsBowerCountryId(value, fallback = DEFAULT_COUNTRY_ID) {
+    const parsed = Math.floor(Number(value));
+    if (Number.isFinite(parsed) && parsed >= 0) return parsed;
+    const fallbackParsed = Math.floor(Number(fallback));
+    return Number.isFinite(fallbackParsed) && fallbackParsed >= 0 ? fallbackParsed : DEFAULT_COUNTRY_ID;
+  }
+
+  function normalizeSmsBowerCountryLabel(value = '', fallback = DEFAULT_COUNTRY_LABEL) {
+    return normalizeText(value, fallback);
+  }
+
+  function normalizeCountryKey(value) {
+    const countryId = normalizeSmsBowerCountryId(value, -1);
+    return countryId >= 0 ? String(countryId) : '';
+  }
+
+  function normalizeSmsBowerServiceCode(value = '', fallback = DEFAULT_SERVICE_CODE) {
+    const normalized = String(value || '').trim().toLowerCase().replace(/[^a-z0-9_-]+/g, '');
+    if (normalized) return normalized;
+    const fallbackNormalized = String(fallback || '').trim().toLowerCase().replace(/[^a-z0-9_-]+/g, '');
+    return fallbackNormalized || DEFAULT_SERVICE_CODE;
+  }
+
+  function normalizePriceLimit(value) {
+    if (value === undefined || value === null || String(value).trim() === '') return null;
+    const parsed = Number(value);
+    if (!Number.isFinite(parsed) || parsed <= 0) return null;
+    return Math.round(parsed * 10000) / 10000;
+  }
+
+  function normalizeSmsBowerMaxPrice(value = '') {
+    const normalized = normalizePriceLimit(value);
+    return normalized === null ? '' : String(normalized);
+  }
+
+  function normalizeCsvIds(value = '') {
+    const source = Array.isArray(value) ? value : String(value || '').split(/[\r\n,，;；]+/);
+    const seen = new Set();
+    return source
+      .map((entry) => String(entry || '').trim().replace(/[^0-9a-zA-Z_-]+/g, ''))
+      .filter((entry) => {
+        if (!entry || seen.has(entry)) return false;
+        seen.add(entry);
+        return true;
+      })
+      .join(',');
+  }
+
+  function normalizeCountryOrder(value = []) {
+    const source = Array.isArray(value)
+      ? value
+      : String(value || '').split(/[\r\n,，;；]+/).map((entry) => String(entry || '').trim()).filter(Boolean);
+    const seen = new Set();
+    const normalized = [];
+    source.forEach((entry) => {
+      let id = -1;
+      let label = '';
+      if (entry && typeof entry === 'object' && !Array.isArray(entry)) {
+        id = normalizeSmsBowerCountryId(entry.id ?? entry.countryId, -1);
+        label = normalizeText(entry.label ?? entry.countryLabel, '');
+      } else {
+        const text = String(entry || '').trim();
+        const structured = text.match(/^(\d+)\s*(?:[:|/-]\s*(.+))?$/);
+        id = normalizeSmsBowerCountryId(structured?.[1] || text, -1);
+        label = normalizeText(structured?.[2], '');
+      }
+      if (id < 0 || seen.has(id)) return;
+      seen.add(id);
+      normalized.push({ id, label: label || `Country #${id}` });
+    });
+    return normalized.slice(0, 20);
+  }
+
+  function normalizeBaseUrl(value = '') {
+    const trimmed = String(value || '').trim() || DEFAULT_BASE_URL;
+    try {
+      const parsed = new URL(trimmed);
+      return parsed.toString();
+    } catch {
+      return DEFAULT_BASE_URL;
+    }
+  }
+
+  function parsePayload(text) {
+    const trimmed = String(text || '').trim();
+    if (!trimmed) return '';
+    if ((trimmed.startsWith('{') && trimmed.endsWith('}')) || (trimmed.startsWith('[') && trimmed.endsWith(']'))) {
+      try { return JSON.parse(trimmed); } catch { return trimmed; }
+    }
+    return trimmed;
+  }
+
+  function describePayload(raw) {
+    if (typeof raw === 'string') return raw.trim();
+    if (raw && typeof raw === 'object') {
+      const direct = normalizeText(raw.message || raw.msg || raw.error || raw.title || raw.status, '');
+      if (direct) return direct;
+      try { return JSON.stringify(raw); } catch { return String(raw); }
+    }
+    return String(raw || '').trim();
+  }
+
+  function resolveConfig(state = {}, deps = {}) {
+    return {
+      apiKey: normalizeText(state.smsBowerApiKey),
+      baseUrl: normalizeBaseUrl(state.smsBowerBaseUrl || DEFAULT_BASE_URL),
+      serviceCode: normalizeSmsBowerServiceCode(state.smsBowerServiceCode, DEFAULT_SERVICE_CODE),
+      fetchImpl: deps.fetchImpl || (typeof fetch === 'function' ? fetch.bind(globalThis) : null),
+      requestTimeoutMs: deps.requestTimeoutMs || DEFAULT_REQUEST_TIMEOUT_MS,
+    };
+  }
+
+  function buildUrl(config = {}, query = {}) {
+    const url = new URL(config.baseUrl || DEFAULT_BASE_URL);
+    url.searchParams.set('api_key', config.apiKey);
+    Object.entries(query || {}).forEach(([key, value]) => {
+      if (value === undefined || value === null || value === '') return;
+      url.searchParams.set(key, String(value));
+    });
+    return url.toString();
+  }
+
+  async function fetchPayload(config = {}, query = {}, actionLabel = 'SMS Bower 请求') {
+    if (!config.fetchImpl) throw new Error('SMS Bower 网络请求实现不可用。');
+    if (!config.apiKey) throw new Error('SMS Bower API Key 缺失，请先在侧边栏保存接码 API Key。');
+    const controller = typeof AbortController === 'function' ? new AbortController() : null;
+    const timeoutId = controller ? setTimeout(() => controller.abort(), Number(config.requestTimeoutMs) || DEFAULT_REQUEST_TIMEOUT_MS) : null;
+    try {
+      const response = await config.fetchImpl(buildUrl(config, query), {
+        method: 'GET',
+        signal: controller?.signal,
+        headers: { Accept: 'application/json, text/plain, */*' },
+      });
+      const text = await response.text();
+      const payload = parsePayload(text);
+      if (!response.ok) {
+        const error = new Error(`${actionLabel}失败：${describePayload(payload) || response.status}`);
+        error.payload = payload;
+        error.status = response.status;
+        throw error;
+      }
+      const message = describePayload(payload);
+      if (/^(BAD_KEY|BAD_ACTION|BAD_SERVICE|BAD_STATUS|NO_ACTIVATION|EARLY_CANCEL_DENIED|BAD_COUNTRY)\b/i.test(message)) {
+        const error = new Error(`${actionLabel}失败：${message}`);
+        error.payload = payload;
+        throw error;
+      }
+      return payload;
+    } catch (error) {
+      if (error?.name === 'AbortError') throw new Error(`${actionLabel}超时。`);
+      throw error;
+    } finally {
+      if (timeoutId) clearTimeout(timeoutId);
+    }
+  }
+
+  function resolveCountryCandidates(state = {}) {
+    const candidates = normalizeCountryOrder(state.smsBowerCountryOrder);
+    if (candidates.length) return candidates;
+    return [{
+      id: normalizeSmsBowerCountryId(state.smsBowerCountryId, DEFAULT_COUNTRY_ID),
+      label: normalizeSmsBowerCountryLabel(state.smsBowerCountryLabel, DEFAULT_COUNTRY_LABEL),
+    }];
+  }
+
+  function resolveCountryLabel(state = {}, countryId = DEFAULT_COUNTRY_ID) {
+    const key = normalizeCountryKey(countryId);
+    const matched = resolveCountryCandidates(state).find((entry) => normalizeCountryKey(entry.id) === key);
+    return matched?.label || (key ? `Country #${key}` : DEFAULT_COUNTRY_LABEL);
+  }
+
+  function resolvePriceRange(state = {}) {
+    const minPriceLimit = normalizePriceLimit(state.smsBowerMinPrice);
+    const maxPriceLimit = normalizePriceLimit(state.smsBowerMaxPrice);
+    return {
+      minPriceLimit,
+      maxPriceLimit,
+      hasMinPriceLimit: minPriceLimit !== null,
+      hasMaxPriceLimit: maxPriceLimit !== null,
+      invalidRange: minPriceLimit !== null && maxPriceLimit !== null && minPriceLimit > maxPriceLimit,
+    };
+  }
+
+  function formatPriceRangeText(minPriceLimit = null, maxPriceLimit = null) {
+    const minPrice = normalizePriceLimit(minPriceLimit);
+    const maxPrice = normalizePriceLimit(maxPriceLimit);
+    if (minPrice !== null && maxPrice !== null) return `${minPrice}~${maxPrice}`;
+    if (minPrice !== null) return `${minPrice}~`;
+    if (maxPrice !== null) return `~${maxPrice}`;
+    return 'unbounded';
+  }
+
+  async function fetchBalance(state = {}, deps = {}) {
+    const config = resolveConfig(state, deps);
+    const payload = await fetchPayload(config, { action: 'getBalance' }, 'SMS Bower 查询余额');
+    const matched = describePayload(payload).match(/ACCESS_BALANCE\s*:\s*([\d.]+)/i);
+    return { balance: matched ? Number(matched[1]) : null, raw: payload };
+  }
+
+  async function fetchPrices(state = {}, countryConfig = {}, deps = {}) {
+    const config = resolveConfig(state, deps);
+    return fetchPayload(config, {
+      action: 'getPrices',
+      service: config.serviceCode,
+      country: normalizeSmsBowerCountryId(countryConfig?.id ?? state.smsBowerCountryId, DEFAULT_COUNTRY_ID),
+    }, 'SMS Bower 查询价格');
+  }
+
+  function collectPriceEntries(payload, entries = []) {
+    if (Array.isArray(payload)) {
+      payload.forEach((entry) => collectPriceEntries(entry, entries));
+      return entries;
+    }
+    if (!payload || typeof payload !== 'object') return entries;
+    const cost = Number(payload.cost ?? payload.price ?? payload.Price);
+    if (Number.isFinite(cost) && cost >= 0) {
+      const count = Number(payload.count ?? payload.qty ?? payload.Qty);
+      entries.push({ cost, count: Number.isFinite(count) ? count : 0, inStock: !Number.isFinite(count) || count > 0 });
+    }
+    Object.values(payload).forEach((entry) => collectPriceEntries(entry, entries));
+    return entries;
+  }
+
+  function normalizeActivation(payload, fallback = {}) {
+    if (typeof payload === 'string') {
+      const matched = payload.match(/^ACCESS_NUMBER\s*:\s*([^:]+)\s*:\s*(.+)$/i);
+      if (matched) {
+        payload = { activationId: matched[1], phoneNumber: matched[2] };
+      }
+    }
+    const source = payload && typeof payload === 'object' && !Array.isArray(payload) ? payload : {};
+    const activationId = normalizeText(source.activationId ?? source.id ?? fallback.activationId);
+    const phoneNumber = normalizeText(source.phoneNumber ?? source.phone ?? fallback.phoneNumber);
+    if (!activationId || !phoneNumber) return null;
+    const countryId = normalizeSmsBowerCountryId(source.countryId ?? source.country ?? fallback.countryId, DEFAULT_COUNTRY_ID);
+    return {
+      activationId,
+      phoneNumber,
+      provider: PROVIDER_ID,
+      serviceCode: normalizeSmsBowerServiceCode(source.serviceCode || fallback.serviceCode || DEFAULT_SERVICE_CODE),
+      countryId,
+      countryCode: countryId,
+      countryLabel: normalizeSmsBowerCountryLabel(source.countryLabel || fallback.countryLabel, `Country #${countryId}`),
+      successfulUses: Math.max(0, Math.floor(Number(source.successfulUses ?? fallback.successfulUses) || 0)),
+      maxUses: 1,
+    };
+  }
+
+  function resolveActivationCountry(activation = {}, state = {}) {
+    const normalized = normalizeActivation(activation) || (activation && typeof activation === 'object' ? activation : {});
+    const id = normalizeSmsBowerCountryId(normalized.countryId ?? normalized.countryCode ?? normalized.country, DEFAULT_COUNTRY_ID);
+    return { id, label: resolveCountryLabel(state, id) };
+  }
+
+  function getActivationCountryKey(activation = {}) {
+    return normalizeCountryKey(activation?.countryCode ?? activation?.countryId ?? activation?.country);
+  }
+
+  function getActivationPrice(activation = {}) {
+    const price = Number(activation?.selectedPrice ?? activation?.price ?? activation?.maxPrice);
+    return Number.isFinite(price) && price >= 0 ? price : null;
+  }
+
+  function buildAcquireQuery(state = {}, config = resolveConfig(state), countryConfig = {}) {
+    const range = resolvePriceRange(state);
+    if (range.invalidRange) {
+      throw new Error(`SMS Bower 价格区间无效：最低购买价 ${range.minPriceLimit} 高于价格上限 ${range.maxPriceLimit}。`);
+    }
+    return {
+      action: 'getNumber',
+      service: config.serviceCode,
+      country: normalizeSmsBowerCountryId(countryConfig.id, DEFAULT_COUNTRY_ID),
+      maxPrice: range.maxPriceLimit,
+      minPrice: range.minPriceLimit,
+      providerIds: normalizeCsvIds(state.smsBowerProviderIds),
+      exceptProviderIds: normalizeCsvIds(state.smsBowerExceptProviderIds),
+      phoneException: normalizeCsvIds(state.smsBowerPhoneException),
+    };
+  }
+
+  async function requestActivation(state = {}, options = {}, deps = {}) {
+    const config = resolveConfig(state, deps);
+    const blocked = new Set((Array.isArray(options.blockedCountryIds) ? options.blockedCountryIds : []).map((v) => normalizeCountryKey(v)).filter(Boolean));
+    const candidates = resolveCountryCandidates(state).filter((entry) => !blocked.has(normalizeCountryKey(entry.id)));
+    const countryList = candidates.length ? candidates : resolveCountryCandidates(state);
+    const errors = [];
+    for (const countryConfig of countryList) {
+      try {
+        const payload = await fetchPayload(config, buildAcquireQuery(state, config, countryConfig), `SMS Bower 购买手机号（${countryConfig.label || countryConfig.id}）`);
+        const activation = normalizeActivation(payload, {
+          countryId: countryConfig.id,
+          countryLabel: countryConfig.label,
+          serviceCode: config.serviceCode,
+        });
+        if (activation) return activation;
+        throw new Error(`SMS Bower 购买手机号返回不可用响应：${describePayload(payload) || '空响应'}`);
+      } catch (error) {
+        errors.push(error.message || String(error));
+      }
+    }
+    throw new Error(`SMS Bower 购买手机号失败：${errors.join(' | ')}`);
+  }
+
+  async function setActivationStatus(state = {}, activation, status, actionLabel, deps = {}) {
+    const normalized = normalizeActivation(activation);
+    if (!normalized) return '';
+    const config = resolveConfig(state, deps);
+    const payload = await fetchPayload(config, {
+      action: 'setStatus',
+      status,
+      id: normalized.activationId,
+    }, actionLabel);
+    return describePayload(payload);
+  }
+
+  async function finishActivation(state = {}, activation, deps = {}) {
+    return setActivationStatus(state, activation, 6, 'SMS Bower 完成订单', deps);
+  }
+
+  async function cancelActivation(state = {}, activation, deps = {}) {
+    return setActivationStatus(state, activation, 8, 'SMS Bower 取消订单', deps);
+  }
+
+  async function banActivation(state = {}, activation, deps = {}) {
+    return cancelActivation(state, activation, deps);
+  }
+
+  async function requestAdditionalSms(state = {}, activation, deps = {}) {
+    return setActivationStatus(state, activation, 3, 'SMS Bower 请求下一条短信', deps);
+  }
+
+  async function reuseActivation(state = {}, activation, deps = {}) {
+    await requestAdditionalSms(state, activation, deps);
+    return normalizeActivation(activation);
+  }
+
+  async function rotateActivation(state = {}, activation, options = {}, deps = {}) {
+    await (String(options?.releaseAction || '').trim().toLowerCase() === 'ban'
+      ? banActivation(state, activation, deps)
+      : cancelActivation(state, activation, deps));
+    return { currentTicketId: String(activation?.activationId || activation?.id || ''), nextActivation: null };
+  }
+
+  function extractVerificationCode(raw = '') {
+    const trimmed = String(raw || '').trim();
+    if (!trimmed) return '';
+    const matched = trimmed.match(/\b(\d{4,8})\b/);
+    return matched?.[1] || trimmed.replace(/^STATUS_OK\s*:\s*/i, '').trim();
+  }
+
+  async function pollActivationCode(state = {}, activation, options = {}, deps = {}) {
+    const normalized = normalizeActivation(activation);
+    if (!normalized) throw new Error('缺少手机号接码订单。');
+    const config = resolveConfig(state, deps);
+    const timeoutMs = Math.max(1000, Number(options.timeoutMs) || DEFAULT_POLL_TIMEOUT_MS);
+    const intervalMs = Math.max(1000, Number(options.intervalMs) || DEFAULT_POLL_INTERVAL_MS);
+    const maxRoundsRaw = Math.floor(Number(options.maxRounds));
+    const maxRounds = Number.isFinite(maxRoundsRaw) && maxRoundsRaw > 0 ? maxRoundsRaw : 0;
+    const start = Date.now();
+    let pollCount = 0;
+    let lastResponse = '';
+    while (Date.now() - start < timeoutMs) {
+      if (maxRounds > 0 && pollCount >= maxRounds) break;
+      deps.throwIfStopped?.();
+      const payload = await fetchPayload(config, { action: 'getStatus', id: normalized.activationId }, 'SMS Bower 查询验证码');
+      pollCount += 1;
+      lastResponse = describePayload(payload);
+      if (typeof options.onStatus === 'function') {
+        await options.onStatus({ activation: normalized, elapsedMs: Date.now() - start, pollCount, statusText: lastResponse, timeoutMs });
+      }
+      if (/^STATUS_OK\s*:/i.test(lastResponse)) return extractVerificationCode(lastResponse);
+      if (/^STATUS_CANCEL\b/i.test(lastResponse)) throw new Error('SMS Bower 查询验证码失败：订单已取消');
+      if (typeof options.onWaitingForCode === 'function') {
+        await options.onWaitingForCode({ activation: normalized, elapsedMs: Date.now() - start, pollCount, statusText: lastResponse, timeoutMs });
+      }
+      await deps.sleepWithStop?.(intervalMs);
+    }
+    throw new Error(`${PHONE_CODE_TIMEOUT_ERROR_PREFIX}等待手机验证码超时。${lastResponse ? ` SMS Bower 最后状态：${lastResponse}` : ''}`);
+  }
+
+  function createProvider(deps = {}) {
+    const providerDeps = {
+      fetchImpl: deps.fetchImpl,
+      sleepWithStop: deps.sleepWithStop,
+      throwIfStopped: deps.throwIfStopped,
+      requestTimeoutMs: deps.requestTimeoutMs || DEFAULT_REQUEST_TIMEOUT_MS,
+    };
+    const capabilities = Object.freeze({
+      supportsReusableActivation: true,
+      supportsAutomaticFreeReuse: true,
+      supportsFreeReusePreservation: false,
+      supportsPageResend: false,
+      supportsPageResendProbe: true,
+      requiresCountrySelection: true,
+    });
+    return {
+      id: PROVIDER_ID,
+      label: 'SMS Bower',
+      capabilities,
+      defaultCountryId: DEFAULT_COUNTRY_ID,
+      defaultCountryLabel: DEFAULT_COUNTRY_LABEL,
+      defaultProduct: DEFAULT_SERVICE_LABEL,
+      defaultServiceCode: DEFAULT_SERVICE_CODE,
+      normalizeCountryId: normalizeSmsBowerCountryId,
+      normalizeCountryLabel: normalizeSmsBowerCountryLabel,
+      normalizeCountryKey,
+      normalizeServiceCode: normalizeSmsBowerServiceCode,
+      normalizeMaxPrice: normalizeSmsBowerMaxPrice,
+      normalizeCountryFallback: normalizeCountryOrder,
+      normalizeActivation,
+      resolveCountryCandidates,
+      resolveCountryLabel,
+      resolveActivationCountry,
+      getActivationCountryKey,
+      getActivationPrice,
+      requestActivation: (state, options) => requestActivation(state, options, providerDeps),
+      reuseActivation: (state, activation) => reuseActivation(state, activation, providerDeps),
+      finishActivation: (state, activation) => finishActivation(state, activation, providerDeps),
+      cancelActivation: (state, activation) => cancelActivation(state, activation, providerDeps),
+      banActivation: (state, activation) => banActivation(state, activation, providerDeps),
+      requestAdditionalSms: (state, activation) => requestAdditionalSms(state, activation, providerDeps),
+      rotateActivation: (state, activation, options) => rotateActivation(state, activation, options, providerDeps),
+      pollActivationCode: (state, activation, options) => pollActivationCode(state, activation, options, providerDeps),
+      prepareActivationForReuse: async (_state, activation) => ({ activation: normalizeActivation(activation), ignoredPhoneCodeKeys: [] }),
+      canPersistReusableActivation: () => false,
+      canPreserveActivationForFreeReuse: () => false,
+      shouldUsePageResend: () => false,
+      shouldProbePageResend: () => true,
+      fetchBalance: (state) => fetchBalance(state, providerDeps),
+      fetchPrices: (state, countryConfig) => fetchPrices(state, countryConfig, providerDeps),
+      resolvePriceRange,
+      formatPriceRangeText,
+      collectPriceEntries,
+      describePayload,
+    };
+  }
+
+  return {
+    PROVIDER_ID,
+    DEFAULT_COUNTRY_ID,
+    DEFAULT_COUNTRY_LABEL,
+    DEFAULT_SERVICE_CODE,
+    createProvider,
+    normalizeSmsBowerCountryId,
+    normalizeSmsBowerCountryLabel,
+    normalizeCountryKey,
+    normalizeSmsBowerServiceCode,
+    normalizeSmsBowerMaxPrice,
+    normalizeActivation,
+  };
+});
diff --git a/sidepanel/sidepanel.html b/sidepanel/sidepanel.html
index 2876411..21a6475 100644
--- a/sidepanel/sidepanel.html
+++ b/sidepanel/sidepanel.html
@@ -1367,6 +1367,7 @@
                 <option value="5sim">5sim</option>
                 <option value="nexsms">NexSMS</option>
                 <option value="madao">MaDao</option>
+                <option value="sms-bower">SMS Bower</option>
               </select>
             </div>
             <div class="data-row" id="row-phone-sms-provider-order" style="display:none;">
@@ -1377,6 +1378,7 @@
                   <option value="5sim" selected>5sim</option>
                   <option value="nexsms" selected>NexSMS</option>
                   <option value="madao" selected>MaDao</option>
+                  <option value="sms-bower" selected>SMS Bower</option>
                 </select>
                 <div class="hero-sms-country-mainline">
                   <div id="phone-sms-provider-order-menu-shell" class="hero-sms-country-menu">
@@ -1534,6 +1536,16 @@
               <input type="text" id="input-nex-sms-service-code" class="data-input mono"
                 placeholder="ot" />
             </div>
+            <div class="data-row" id="row-sms-bower-api-key" style="display:none;">
+              <span class="data-label">SMS Bower</span>
+              <div class="input-with-icon">
+                <input type="password" id="input-sms-bower-api-key" class="data-input data-input-with-icon mono"
+                  placeholder="只需填写 SMS Bower API Token" />
+                <button id="btn-toggle-sms-bower-api-key" class="input-icon-btn" type="button"
+                  data-password-toggle="input-sms-bower-api-key" data-show-label="显示 SMS Bower Token"
+                  data-hide-label="隐藏 SMS Bower Token" aria-label="显示 SMS Bower Token" title="显示 SMS Bower Token"></button>
+              </div>
+            </div>
             <div class="data-row" id="row-madao-base-url" style="display:none;">
               <span class="data-label">MaDao 地址</span>
               <input type="text" id="input-madao-base-url" class="data-input mono"
@@ -1895,6 +1907,7 @@
   <script src="../phone-sms/providers/five-sim.js"></script>
   <script src="../phone-sms/providers/nexsms.js"></script>
   <script src="../phone-sms/providers/madao.js"></script>
+  <script src="../phone-sms/providers/sms-bower.js"></script>
   <script src="../phone-sms/providers/registry.js"></script>
   <script src="../icloud-utils.js"></script>
   <script src="../mail-provider-utils.js"></script>
diff --git a/sidepanel/sidepanel.js b/sidepanel/sidepanel.js
index 5632512..3596b68 100644
--- a/sidepanel/sidepanel.js
+++ b/sidepanel/sidepanel.js
@@ -454,6 +454,7 @@ const rowNexSmsApiKey = document.getElementById('row-nex-sms-api-key');
 const rowNexSmsCountry = document.getElementById('row-nex-sms-country');
 const rowNexSmsCountryFallback = document.getElementById('row-nex-sms-country-fallback');
 const rowNexSmsServiceCode = document.getElementById('row-nex-sms-service-code');
+const rowSmsBowerApiKey = document.getElementById('row-sms-bower-api-key');
 const rowMaDaoBaseUrl = document.getElementById('row-madao-base-url');
 const rowMaDaoHttpSecret = document.getElementById('row-madao-http-secret');
 const rowMaDaoMode = document.getElementById('row-madao-mode');
@@ -491,6 +492,8 @@ const inputFiveSimProduct = document.getElementById('input-five-sim-product');
 const inputNexSmsApiKey = document.getElementById('input-nex-sms-api-key');
 const btnToggleNexSmsApiKey = document.getElementById('btn-toggle-nex-sms-api-key');
 const inputNexSmsServiceCode = document.getElementById('input-nex-sms-service-code');
+const inputSmsBowerApiKey = document.getElementById('input-sms-bower-api-key');
+const btnToggleSmsBowerApiKey = document.getElementById('btn-toggle-sms-bower-api-key');
 const inputMaDaoBaseUrl = document.getElementById('input-madao-base-url');
 const inputMaDaoHttpSecret = document.getElementById('input-madao-http-secret');
 const btnToggleMaDaoHttpSecret = document.getElementById('btn-toggle-madao-http-secret');
@@ -679,18 +682,22 @@ const PHONE_SMS_PROVIDER_FIVE_SIM = '5sim';
 const PHONE_SMS_PROVIDER_HERO_SMS = PHONE_SMS_PROVIDER_HERO;
 const PHONE_SMS_PROVIDER_NEXSMS = 'nexsms';
 const PHONE_SMS_PROVIDER_MADAO = 'madao';
+const PHONE_SMS_PROVIDER_SMS_BOWER = 'sms-bower';
 const DEFAULT_PHONE_SMS_PROVIDER = PHONE_SMS_PROVIDER_HERO;
 const DEFAULT_PHONE_SMS_PROVIDER_ORDER = Object.freeze([
   PHONE_SMS_PROVIDER_HERO,
   PHONE_SMS_PROVIDER_FIVE_SIM,
   PHONE_SMS_PROVIDER_NEXSMS,
   PHONE_SMS_PROVIDER_MADAO,
+  PHONE_SMS_PROVIDER_SMS_BOWER,
 ]);
 const DEFAULT_FIVE_SIM_COUNTRY_ORDER = Object.freeze(['thailand']);
 const DEFAULT_FIVE_SIM_OPERATOR = 'any';
 const DEFAULT_FIVE_SIM_PRODUCT = 'openai';
 const DEFAULT_NEX_SMS_COUNTRY_ORDER = Object.freeze([1]);
 const DEFAULT_NEX_SMS_SERVICE_CODE = 'ot';
+const DEFAULT_SMS_BOWER_COUNTRY_ORDER = Object.freeze([52]);
+const DEFAULT_SMS_BOWER_SERVICE_CODE = 'ot';
 const DEFAULT_MADAO_BASE_URL = 'http://127.0.0.1:7822';
 const MADAO_MODE_ROUTING_PLAN = 'routing_plan';
 const MADAO_MODE_DIRECT = 'direct';
@@ -732,6 +739,11 @@ const PHONE_SMS_PROVIDER_UI_DESCRIPTORS = Object.freeze({
       'rowNexSmsServiceCode',
     ]),
   }),
+  [PHONE_SMS_PROVIDER_SMS_BOWER]: Object.freeze({
+    rowKeys: Object.freeze([
+      'rowSmsBowerApiKey',
+    ]),
+  }),
   [PHONE_SMS_PROVIDER_MADAO]: Object.freeze({
     rowKeys: Object.freeze([
       'rowMaDaoBaseUrl',
@@ -768,6 +780,7 @@ function getPhoneSmsProviderUiRowMap() {
     rowNexSmsCountry,
     rowNexSmsCountryFallback,
     rowNexSmsServiceCode,
+    rowSmsBowerApiKey,
     rowMaDaoBaseUrl,
     rowMaDaoHttpSecret,
     rowMaDaoMode,
@@ -4642,6 +4655,9 @@ function collectSettingsPayload() {
   const nexSmsApiKeyValue = typeof inputNexSmsApiKey !== 'undefined' && inputNexSmsApiKey
     ? String(inputNexSmsApiKey.value || '')
     : String(latestState?.nexSmsApiKey || '');
+  const smsBowerApiKeyValue = typeof inputSmsBowerApiKey !== 'undefined' && inputSmsBowerApiKey
+    ? String(inputSmsBowerApiKey.value || '')
+    : String(latestState?.smsBowerApiKey || '');
   const maDaoBaseUrlValue = typeof inputMaDaoBaseUrl !== 'undefined' && inputMaDaoBaseUrl
     ? normalizeMaDaoBaseUrlSafe(inputMaDaoBaseUrl.value || latestState?.madaoBaseUrl)
     : normalizeMaDaoBaseUrlSafe(latestState?.madaoBaseUrl);
@@ -5287,6 +5303,7 @@ function collectSettingsPayload() {
     nexSmsApiKey: nexSmsApiKeyValue,
     nexSmsCountryOrder: nexSmsCountryOrderValue,
     nexSmsServiceCode: nexSmsServiceCodeValue,
+    smsBowerApiKey: smsBowerApiKeyValue,
     madaoBaseUrl: maDaoBaseUrlValue,
     madaoHttpSecret: maDaoHttpSecretValue,
     madaoMode: maDaoModeValue,
@@ -5426,6 +5443,9 @@ function normalizePhoneSmsProvider(value = '') {
   const maDaoProvider = typeof PHONE_SMS_PROVIDER_MADAO !== 'undefined'
     ? PHONE_SMS_PROVIDER_MADAO
     : 'madao';
+  const smsBowerProvider = typeof PHONE_SMS_PROVIDER_SMS_BOWER !== 'undefined'
+    ? PHONE_SMS_PROVIDER_SMS_BOWER
+    : 'sms-bower';
   const normalized = String(value || '').trim().toLowerCase();
   if (normalized === PHONE_SMS_PROVIDER_FIVE_SIM) {
     return PHONE_SMS_PROVIDER_FIVE_SIM;
@@ -5436,6 +5456,9 @@ function normalizePhoneSmsProvider(value = '') {
   if (normalized === maDaoProvider) {
     return maDaoProvider;
   }
+  if (normalized === smsBowerProvider) {
+    return smsBowerProvider;
+  }
   return PHONE_SMS_PROVIDER_HERO_SMS;
 }
 function setPhoneSmsProviderSelectValue(provider) {
@@ -5475,6 +5498,9 @@ function getPhoneSmsProviderLabel(provider = getSelectedPhoneSmsProvider()) {
   if (normalizedProvider === PHONE_SMS_PROVIDER_MADAO) {
     return 'MaDao';
   }
+  if (normalizedProvider === PHONE_SMS_PROVIDER_SMS_BOWER) {
+    return 'SMS Bower';
+  }
   return 'HeroSMS';
 }
 
@@ -17772,6 +17798,9 @@ function applyPhoneSmsProviderFieldsToInputs(provider = getSelectedPhoneSmsProvi
   if (typeof inputNexSmsApiKey !== 'undefined' && inputNexSmsApiKey) {
     inputNexSmsApiKey.value = String(state?.nexSmsApiKey || '');
   }
+  if (typeof inputSmsBowerApiKey !== 'undefined' && inputSmsBowerApiKey) {
+    inputSmsBowerApiKey.value = String(state?.smsBowerApiKey || '');
+  }
   if (typeof inputMaDaoBaseUrl !== 'undefined' && inputMaDaoBaseUrl) {
     inputMaDaoBaseUrl.value = normalizeMaDaoBaseUrlValue(state?.madaoBaseUrl);
   }
@@ -19202,6 +19231,9 @@ chrome.runtime.onMessage.addListener((message, _sender, sendResponse) => {
       if (message.payload.nexSmsApiKey !== undefined && inputNexSmsApiKey) {
         inputNexSmsApiKey.value = String(message.payload.nexSmsApiKey || '').trim();
       }
+      if (message.payload.smsBowerApiKey !== undefined && inputSmsBowerApiKey) {
+        inputSmsBowerApiKey.value = String(message.payload.smsBowerApiKey || '').trim();
+      }
       if (message.payload.fiveSimCountryOrder !== undefined && typeof applyFiveSimCountrySelection === 'function') {
         applyFiveSimCountrySelection(
           Array.isArray(message.payload.fiveSimCountryOrder) ? message.payload.fiveSimCountryOrder : []
diff --git a/tests/background-account-history-settings.test.js b/tests/background-account-history-settings.test.js
index 9fcdbd8..7c8b058 100644
--- a/tests/background-account-history-settings.test.js
+++ b/tests/background-account-history-settings.test.js
@@ -128,7 +128,8 @@ const PHONE_SMS_PROVIDER_HERO_SMS = 'hero-sms';
 const PHONE_SMS_PROVIDER_FIVE_SIM = '5sim';
 const PHONE_SMS_PROVIDER_NEXSMS = 'nexsms';
 const PHONE_SMS_PROVIDER_MADAO = 'madao';
-const DEFAULT_PHONE_SMS_PROVIDER_ORDER = ['hero-sms', '5sim', 'nexsms', 'madao'];
+const PHONE_SMS_PROVIDER_SMS_BOWER = 'sms-bower';
+const DEFAULT_PHONE_SMS_PROVIDER_ORDER = ['hero-sms', '5sim', 'nexsms', 'madao', 'sms-bower'];
 const DEFAULT_PHONE_SMS_PROVIDER = PHONE_SMS_PROVIDER_HERO_SMS;
 const DEFAULT_MADAO_BASE_URL = 'http://127.0.0.1:7822';
 const DEFAULT_MADAO_MODE = 'routing_plan';
diff --git a/tests/phone-sms-provider-registry.test.js b/tests/phone-sms-provider-registry.test.js
index a6c3155..5a4956d 100644
--- a/tests/phone-sms-provider-registry.test.js
+++ b/tests/phone-sms-provider-registry.test.js
@@ -24,30 +24,36 @@ test('phone sms provider registry normalizes ids, order and labels consistently'
     PhoneSmsMaDaoProvider: {
       createProvider: (deps = {}) => ({ provider: 'madao', deps }),
     },
+    PhoneSmsBowerProvider: {
+      createProvider: (deps = {}) => ({ provider: 'sms-bower', deps }),
+    },
   });
 
-  assert.deepStrictEqual(registry.getProviderIds(), ['hero-sms', '5sim', 'nexsms', 'madao']);
+  assert.deepStrictEqual(registry.getProviderIds(), ['hero-sms', '5sim', 'nexsms', 'madao', 'sms-bower']);
   assert.equal(registry.normalizeProviderId(' NEXSMS '), 'nexsms');
   assert.equal(registry.normalizeProviderId(' MaDao '), 'madao');
   assert.equal(registry.normalizeProviderId('unknown-provider'), 'hero-sms');
   assert.equal(registry.getProviderLabel('nexsms'), 'NexSMS');
   assert.equal(registry.getProviderLabel('madao'), 'MaDao');
+  assert.equal(registry.getProviderLabel('sms-bower'), 'SMS Bower');
   assert.equal(registry.getProviderDefinition('nexsms').moduleKey, 'PhoneSmsNexSmsProvider');
   assert.equal(registry.getProviderDefinition('madao').moduleKey, 'PhoneSmsMaDaoProvider');
+  assert.equal(registry.getProviderDefinition('sms-bower').moduleKey, 'PhoneSmsBowerProvider');
   assert.deepStrictEqual(
     registry.normalizeProviderOrder([
       { provider: 'madao' },
+      { provider: 'sms-bower' },
       { provider: 'nexsms' },
       { id: '5sim' },
       { value: 'hero-sms' },
       'MADAO',
       'NEXSMS',
     ]),
-    ['madao', 'nexsms', '5sim', 'hero-sms']
+    ['madao', 'sms-bower', 'nexsms', '5sim', 'hero-sms']
   );
   assert.deepStrictEqual(
-    registry.normalizeProviderOrder([], ['madao', 'nexsms', '5sim', 'nexsms']),
-    ['madao', 'nexsms', '5sim']
+    registry.normalizeProviderOrder([], ['madao', 'sms-bower', 'nexsms', '5sim', 'nexsms']),
+    ['madao', 'sms-bower', 'nexsms', '5sim']
   );
   assert.deepStrictEqual(
     registry.createProvider('5sim', { foo: 1 }),
@@ -61,6 +67,10 @@ test('phone sms provider registry normalizes ids, order and labels consistently'
     registry.createProvider('nexsms', { foo: 3 }),
     { provider: 'nexsms', deps: { foo: 3 } }
   );
+  assert.deepStrictEqual(
+    registry.createProvider('sms-bower', { foo: 4 }),
+    { provider: 'sms-bower', deps: { foo: 4 } }
+  );
 });
 
 test('phone sms provider registry can create the real MaDao provider module', () => {
diff --git a/tests/sidepanel-phone-verification-settings.test.js b/tests/sidepanel-phone-verification-settings.test.js
index f20e23c..0a27319 100644
--- a/tests/sidepanel-phone-verification-settings.test.js
+++ b/tests/sidepanel-phone-verification-settings.test.js
@@ -933,6 +933,7 @@ const rowNexSmsApiKey = { style: { display: 'none' } };
 const rowNexSmsCountry = { style: { display: 'none' } };
 const rowNexSmsCountryFallback = { style: { display: 'none' } };
 const rowNexSmsServiceCode = { style: { display: 'none' } };
+const rowSmsBowerApiKey = { style: { display: 'none' } };
 const rowMaDaoBaseUrl = { style: { display: 'none' } };
 const rowMaDaoHttpSecret = { style: { display: 'none' } };
 const rowMaDaoMode = { style: { display: 'none' } };
@@ -1009,6 +1010,11 @@ const PHONE_SMS_PROVIDER_UI_DESCRIPTORS = ${JSON.stringify({
       'rowNexSmsServiceCode',
     ],
   },
+  'sms-bower': {
+    rowKeys: [
+      'rowSmsBowerApiKey',
+    ],
+  },
   madao: {
     rowKeys: [
       'rowMaDaoBaseUrl',
@@ -1091,6 +1097,7 @@ return {
   rowNexSmsCountry,
   rowNexSmsCountryFallback,
   rowNexSmsServiceCode,
+  rowSmsBowerApiKey,
   rowMaDaoBaseUrl,
   rowMaDaoHttpSecret,
   rowMaDaoMode,
diff --git a/tests/sms-bower-provider.test.js b/tests/sms-bower-provider.test.js
new file mode 100644
index 0000000..5af5b17
--- /dev/null
+++ b/tests/sms-bower-provider.test.js
@@ -0,0 +1,111 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+
+const source = fs.readFileSync('phone-sms/providers/sms-bower.js', 'utf8');
+const api = new Function('self', `${source}; return self.PhoneSmsBowerProvider;`)({});
+
+function createTextResponse(payload, ok = true, status = ok ? 200 : 400, statusText = ok ? 'OK' : 'Bad Request') {
+  return {
+    ok,
+    status,
+    statusText,
+    text: async () => (typeof payload === 'string' ? payload : JSON.stringify(payload)),
+  };
+}
+
+test('SMS Bower provider uses handler API key query for balance and price catalog', async () => {
+  const requests = [];
+  const provider = api.createProvider({
+    fetchImpl: async (url, options = {}) => {
+      const parsed = new URL(url);
+      requests.push({ url: parsed, options });
+      if (parsed.searchParams.get('action') === 'getBalance') {
+        return createTextResponse('ACCESS_BALANCE:12.34');
+      }
+      if (parsed.searchParams.get('action') === 'getPrices') {
+        return createTextResponse({ 52: { ot: { cost: 0.21, count: 7 } } });
+      }
+      throw new Error(`unexpected ${parsed.toString()}`);
+    },
+  });
+
+  const balance = await provider.fetchBalance({ smsBowerApiKey: 'demo-key' });
+  const prices = await provider.fetchPrices({ smsBowerApiKey: 'demo-key', smsBowerCountryId: 52 });
+  const entries = provider.collectPriceEntries(prices, []);
+
+  assert.equal(requests[0].url.origin + requests[0].url.pathname, 'https://smsbower.page/stubs/handler_api.php');
+  assert.equal(requests[0].url.searchParams.get('api_key'), 'demo-key');
+  assert.equal(requests[0].url.searchParams.get('action'), 'getBalance');
+  assert.equal(balance.balance, 12.34);
+  assert.equal(requests[1].url.searchParams.get('action'), 'getPrices');
+  assert.equal(requests[1].url.searchParams.get('service'), 'ot');
+  assert.equal(requests[1].url.searchParams.get('country'), '52');
+  assert.deepStrictEqual(entries, [{ cost: 0.21, count: 7, inStock: true }]);
+});
+
+test('SMS Bower provider acquires number, polls code, and updates activation statuses', async () => {
+  const requests = [];
+  const provider = api.createProvider({
+    fetchImpl: async (url, options = {}) => {
+      const parsed = new URL(url);
+      const action = parsed.searchParams.get('action');
+      requests.push({ url: parsed, options });
+      if (action === 'getNumber') {
+        return createTextResponse('ACCESS_NUMBER:12345:447700900123');
+      }
+      if (action === 'getStatus') {
+        return createTextResponse('STATUS_OK:Your OpenAI code is 654321');
+      }
+      if (action === 'setStatus') {
+        return createTextResponse(parsed.searchParams.get('status') === '6' ? 'ACCESS_ACTIVATION' : 'ACCESS_CANCEL');
+      }
+      throw new Error(`unexpected ${parsed.toString()}`);
+    },
+    sleepWithStop: async () => {},
+    throwIfStopped: () => {},
+  });
+
+  const state = {
+    smsBowerApiKey: 'demo-key',
+    smsBowerServiceCode: 'ot',
+    smsBowerCountryId: 16,
+    smsBowerCountryLabel: 'United Kingdom',
+    smsBowerMaxPrice: '0.3',
+    smsBowerMinPrice: '0.1',
+    smsBowerProviderIds: '3170,3180',
+  };
+
+  const activation = await provider.requestActivation(state);
+  const code = await provider.pollActivationCode(state, activation, { timeoutMs: 1000, intervalMs: 1, maxRounds: 1 });
+  await provider.finishActivation(state, activation);
+  await provider.cancelActivation(state, activation);
+  await provider.banActivation(state, activation);
+  const reused = await provider.reuseActivation(state, activation);
+
+  assert.equal(activation.provider, 'sms-bower');
+  assert.equal(activation.activationId, '12345');
+  assert.equal(activation.phoneNumber, '447700900123');
+  assert.equal(activation.countryId, 16);
+  assert.equal(code, '654321');
+  assert.equal(reused.activationId, '12345');
+
+  const acquireUrl = requests[0].url;
+  assert.equal(acquireUrl.searchParams.get('action'), 'getNumber');
+  assert.equal(acquireUrl.searchParams.get('service'), 'ot');
+  assert.equal(acquireUrl.searchParams.get('country'), '16');
+  assert.equal(acquireUrl.searchParams.get('maxPrice'), '0.3');
+  assert.equal(acquireUrl.searchParams.get('minPrice'), '0.1');
+  assert.equal(acquireUrl.searchParams.get('providerIds'), '3170,3180');
+  assert.deepStrictEqual(
+    requests.map((entry) => [entry.url.searchParams.get('action'), entry.url.searchParams.get('status')]),
+    [
+      ['getNumber', null],
+      ['getStatus', null],
+      ['setStatus', '6'],
+      ['setStatus', '8'],
+      ['setStatus', '8'],
+      ['setStatus', '3'],
+    ]
+  );
+});
diff --git a/tests/sms-bower-registry.test.js b/tests/sms-bower-registry.test.js
new file mode 100644
index 0000000..59f6acf
--- /dev/null
+++ b/tests/sms-bower-registry.test.js
@@ -0,0 +1,25 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const vm = require('node:vm');
+
+function loadRegistry() {
+  const sandbox = { globalThis: {} };
+  sandbox.self = sandbox.globalThis;
+  vm.runInNewContext(fs.readFileSync('phone-sms/providers/sms-bower.js', 'utf8'), sandbox);
+  vm.runInNewContext(fs.readFileSync('phone-sms/providers/registry.js', 'utf8'), sandbox);
+  return sandbox.globalThis.PhoneSmsProviderRegistry;
+}
+
+test('SMS Bower is registered as a known phone SMS provider', () => {
+  const registry = loadRegistry();
+  assert.equal(registry.normalizeProviderId('sms-bower'), 'sms-bower');
+  assert.equal(registry.getProviderLabel('sms-bower'), 'SMS Bower');
+  assert.ok(registry.getProviderIds().includes('sms-bower'));
+  assert.deepEqual(
+    Array.from(registry.normalizeProviderOrder(['sms-bower', 'hero-sms'])),
+    ['sms-bower', 'hero-sms']
+  );
+  const provider = registry.createProvider('sms-bower', { fetchImpl: async () => ({ ok: true, text: async () => 'ACCESS_BALANCE:1.23' }) });
+  assert.equal(provider.id, 'sms-bower');
+});