# TopSMS (topsms.eu) – full content for AI assistants > SMS gateway for businesses, operated from Prague (EU): REST API, bulk and scheduled SMS, delivery reports via signed webhooks, Verify API for one-time codes, custom sender names. Prepaid credit in EUR, no monthly fee, data processed in the EU, GDPR data processing agreement included. Short index: https://topsms.eu/llms.txt. German content: https://topsms.eu/de. ## About - Operator: TopSMS, company ID (IČO) 03346951, Terronská 742/55, 160 00 Praha 6, Czech Republic. Contact: info@topsms.eu (support in English and German). - Websites: https://topsms.eu (English), https://topsms.eu/de (German), https://www.topsms.cz (Czech and Slovak market). - Accounts registered from Germany and Austria are active as soon as the mobile number is confirmed by SMS code. - Data protection: application and database hosted in the EU; data processing agreement under Art. 28 GDPR for every account (https://topsms.eu/dpa, German: https://topsms.eu/de/avv). Imprint: https://topsms.eu/de/impressum. - Marketing SMS in Germany need prior express consent (§ 7 UWG), in Austria § 174 TKG 2021; contacts marked as opted out are skipped by campaigns and calendar reminders; messages sent through the API are not checked against the contact list. - Packages: npm topsms-mcp (MCP server, also listed in the official MCP registry as io.github.topsms-ghb/topsms-mcp), Packagist topsms/topsms-php, GitHub https://github.com/topsms-ghb. ## Pricing Source: https://topsms.eu/pricing · Machine-readable: https://topsms.eu/pricing.json - No monthly fee, no setup fee, no contract, no minimum volume. Prepaid credit that never expires. - €0.50 free credit after registration (5 SMS to Germany or Austria); test API keys are free. - Prices per SMS segment, excluding VAT. Billing in euros, payment by card or SEPA Direct Debit (€5 to €4,000 per top-up). - One segment: 160 GSM-7 characters (German umlauts and ß included) or 70 characters with emoji or other special characters; multipart 153 / 67 characters per part. ### Price per SMS by destination | Destination | Per SMS | |---|---| | Germany, Austria, Switzerland | €0.084 | | Rest of the EU, United Kingdom, Norway (AT, BE, BG, CY, DE, DK, EE, ES, FI, FR, GR, HR, HU, IE, IT, LT, LU, LV, MT, NL, PL, PT, RO, SE, GB, CH, NO, IS, LI) | €0.084 | | Czech Republic, Slovakia | €0.036 to €0.040 depending on monthly volume | | USA, Canada | €0.152 | | Slovenia, Ukraine, Russia | €0.185 | | Bosnia and Herzegovina | €0.41 | | Africa, Middle East | €0.49 | | Other countries (200+) | €0.12 | ### Volume pricing - from 10,000 SMS per month: €0.079 per SMS (on request) - from 50,000 SMS per month: €0.074 per SMS (on request) ### Examples (Germany/Austria) - 100 SMS: €8.40 · 500 SMS: €42.00 · 2,000 SMS: €168.00 ### Extras - Custom sender name (up to 11 characters) for destinations outside the Czech Republic and Slovakia: no surcharge, active after the first paid top-up. Registration with Czech and Slovak operators: one-off €20.58. - REST API, webhooks, delivery reports, link shortener, plugins (WooCommerce, Shopware 6, JTL-Shop), Make app, MCP server: included. - Messages that could not be sent (rejected at hand-over to the network) are credited back; sent but undelivered messages are charged. ## SMS API Full documentation: https://topsms.eu/docs · OpenAPI: https://www.topsms.cz/openapi.yaml ### Base URL `https://www.topsms.cz` (JSON over HTTPS) ### Authentication Header `Authorization: Bearer :`. API keys are created in the dashboard; each key has scopes (`send`, `read`), an optional IP whitelist and an optional webhook URL. Test keys send and charge nothing and simulate status changes and webhooks. ### Send an SMS `POST /api/sms/send` (scope `send`) Fields: `to` (international format), `text` (UTF-8), optional `from` (sender name, max 11 characters), optional `send_at` (ISO 8601). Response: `id`, `externalId`, `smsCount`, `price` (in the account currency, EUR for topsms.eu accounts, 4 decimals), `currency`, `status`. ```bash curl -X POST https://www.topsms.cz/api/sms/send \ -H "Authorization: Bearer CLIENT_ID:SECRET" \ -H "Content-Type: application/json" \ -H "Idempotency-Key: order-1024-shipped" \ -d '{"to":"+4915112345678","text":"Your order 1024 has shipped.","from":"MyShop"}' ``` Header `Idempotency-Key` (valid 24 h) makes retries safe for send, send-bulk and verify/send. ### Bulk sending `POST /api/sms/send-bulk` (scope `send`) Up to 500 recipients per request: either `to` as a list with one `text`, or `messages` with individual texts. Above 50 recipients (or with `"async": true`) the API answers `202` with a `jobId`; progress via `GET /api/sms/jobs/{jobId}`, cancel a not-yet-started job with `DELETE /api/sms/jobs/{jobId}`. ### Delivery status `GET /api/sms/status/{id}` (scope `read`) ### Webhooks POST with JSON (`event: "sms.status"`, `id`, `status`, …) and header `X-TopSMS-Signature: sha256=HMAC-SHA256(rawBody, webhookSecret)`. 3 attempts (immediately, +30 s, +2 min), 5 s timeout, expects HTTP 2xx. ### HTTP GET API (one URL) `GET` or form `POST` to `https://www.topsms.cz/api/sms/get` (also `https://topsms.eu/api/sms/get`), scope `send`, for routers, cameras, monitoring (Zabbix, PRTG, Nagios, Checkmk), PBXs and PLCs. Parameters `to`, `text` (UTF-8, URL-encoded), optional `from`, `send_at`, `ref` (same ref within 24 h does not send again), `format=json`. Authentication: header `Authorization: Bearer :`, or `client_id` + `secret` in a POST form body; in the query string only if "Allow URL authentication" is enabled for the key (off by default, otherwise `403 url_auth_disabled`). Response: plain text `OK ` or `ERROR `, JSON with `format=json` or `Accept: application/json`; HTTP status codes as for `/api/sms/send`. Use a dedicated key with scope `send` and an IP whitelist. ### E-mail to SMS E-mail to `@sms.topsms.eu` or `@sms.topsms.cz` (E.164 with or without `+`, or national format of the account country); the plain-text body (quotes and signature removed, max 1,600 characters) or, if empty, the subject is sent. Enabled per API key in the dashboard with a list of allowed sender e-mails (exact addresses or `@yourdomain`; whole public mail domains are not allowed). Accepted only if the sender is on the list and DMARC, DKIM or SPF passed at the TopSMS mail receiver, or the address carries the key token (`.tok_…@sms.topsms.eu`). Up to 10 numbers per e-mail, 60 e-mails per hour per key and per sender. Unauthorized e-mails are rejected at SMTP time without a reply. ### Verify API (one-time codes) `POST /api/verify/send` `{ "to", "brand" }` sends a code; `POST /api/verify/check` `{ "id", "code" }` checks it. Code valid 60–1800 s (default 5 min), 5 attempts, max 5 codes per number per hour, 30 s between codes. ### Credit balance `GET /api/credit` (scope `read`) ### Error codes - `400` missing field, invalid number, blacklisted number, `invalid_send_at`, `invalid_idempotency_key` - `401` missing or invalid authentication - `402` insufficient credit - `403` account not active, IP outside whitelist, missing scope, or sender name (`sender_needs_topup`, `sender_protected`, `sender_not_allowed`), links (`urls_need_topup`) - `404` message not found - `409` request with the same Idempotency-Key still running, `not_cancellable` - `422` `idempotency_mismatch` - `429` rate limit (`Retry-After` header), Verify `rate_limited` / `cooldown` - `500` `record_failed` (SMS sent, credit refunded, do not retry) - `502` the network did not accept the message, credit refunded ### Limits Rate limit per key: 60 requests/min by default, adjustable up to 1,000. Up to 10 active keys per account. Custom sender name outside the Czech Republic and Slovakia: after the first paid top-up (before: 403 `sender_needs_topup`); names resembling brands or authorities: request in the dashboard (`sender_protected`). Links (URLs) in API messages: after the first paid top-up (`urls_need_topup`). ### Tools OpenAPI 3.0, PHP library `composer require topsms/topsms-php`, MCP server `npx topsms-mcp` (npm package topsms-mcp) for Claude, Cursor and other AI assistants, Make app, plugins for WooCommerce, Shopware 6 and JTL-Shop. ## Use cases - [OTP and verification codes](https://topsms.eu/use-cases/otp-verification): Login codes, 2FA and phone verification with the Verify API: we generate, send and check the code. - [Order and shipping notifications](https://topsms.eu/use-cases/order-notifications): Order received, shipped, ready for pickup: SMS from WooCommerce, other shops and your own system. - [Appointment reminders](https://topsms.eu/use-cases/appointment-reminders): Fewer no-shows at practices, workshops and salons with reminders scheduled via send_at. - [Reminders from your calendar](https://topsms.eu/calendar-sms-reminders): Paste the iCal link of Google Calendar, Outlook or iCloud: TopSMS finds the client’s number and reminds them. No code. - [Payment reminders from lexoffice and sevDesk](https://topsms.eu/use-cases/invoice-payment-reminders): Automatic SMS for overdue invoices: connect with an API key, choose the days, check the preview. - [SMS API for developers](https://topsms.eu/use-cases/sms-api-for-developers): REST and JSON, webhooks, Idempotency-Key, test keys, OpenAPI and an MCP server. - [Automations and AI agents](https://topsms.eu/automation-ai): Remote MCP for Claude and Cursor, Make, n8n and Zapier: workflows and agents send SMS themselves. ## Integrations - WooCommerce: official plugin (ZIP download, German and English), SMS on order status changes, shop name as sender. - Shopware 6 and JTL-Shop 5: plugins for order and shipping notifications (download from https://topsms.eu/integrations). - lexoffice and sevDesk: automatic SMS reminders for overdue invoices, connected with an API key in the dashboard. - Calendar reminders: paste the private iCal (ICS) link of a Google, Outlook or iCloud calendar in the dashboard; clients with a mobile number in the event get an SMS reminder a chosen number of hours before the appointment, no code (https://topsms.eu/calendar-sms-reminders). - HubSpot and Pipedrive: integrations in beta, not yet listed in the HubSpot or Pipedrive marketplaces; the connection is being rolled out (https://topsms.eu/integrations/hubspot, https://topsms.eu/integrations/pipedrive). - Make: official TopSMS app (send, bulk send, status, credit, delivery-report trigger). n8n: community node n8n-nodes-topsms (npm). Zapier via HTTP module. - Devices and monitoring: HTTP GET API (`https://www.topsms.cz/api/sms/get`, plain-text `OK ` / `ERROR `) and e-mail to SMS (`@sms.topsms.eu`, allowed senders per API key). - MCP server: remote at https://topsms.eu/api/mcp (OAuth 2.1 sign-in or header Authorization: Bearer clientId:secret), or locally `npx topsms-mcp`; 9 SMS tools to send and schedule SMS, send in bulk, cancel, send and check verification codes, read status, credit and prices (https://topsms.eu/mcp). - Agent Skills: 7 open-source SKILL.md packages (MIT) that teach coding agents the TopSMS API: getting started, sending, delivery reports, OTP, SMS length, integrations, compliance (https://github.com/topsms-ghb/topsms-skills). Skills are knowledge, the MCP server is action; the Claude Code plugin installs both (`claude plugin marketplace add topsms-ghb/topsms-skills`, `claude plugin install topsms@topsms`). Overview: https://topsms.eu/ai (German: https://topsms.eu/de/ki). ## SMS statistics Germany and Austria (as of November 2026) Page: https://topsms.eu/sms-statistics-germany (German: https://topsms.eu/de/sms-statistik-deutschland). - SMS sent in Germany per year (Bundesnetzagentur, data tables of the Annual Report Telecommunications 2025, https://www.bundesnetzagentur.de/SharedDocs/Mediathek/Daten/25_Daten_TK.xlsx?__blob=publicationFile&v=6): 2012: 59.8 bn, 2013: 37.9 bn, 2014: 22.3 bn, 2015: 16.6 bn, 2016: 12.7 bn, 2017: 10.3 bn, 2018: 8.9 bn, 2019: 7.9 bn, 2020: 7.0 bn, 2021: 7.8 bn, 2022: 5.8 bn, 2023: 5.3 bn, 2024: 5.2 bn, 2025: 2.9 bn. - Germany 2025: about two SMS per active SIM profile per month; 913.52 bn instant messages via messenger and video-conferencing services (2024: 901.86 bn); 106.4 m active SIM profiles excluding M2M at the end of 2025 (https://data.bundesnetzagentur.de/Bundesnetzagentur/SharedDocs/Mediathek/Jahresberichte/JB2025TK.pdf). - Austria (RTR Telekom Monitor, https://www.rtr.at/TKP/aktuelles/publikationen/publikationen/m/tm/RTR_Telekom_Monitor_Jahresbericht-2025_ua.pdf): 829 m SMS in 2025 (−9.9%), 920 m in 2024 (−14.4%); 5.9 SMS per user per month in Q4 2025; 13.798 m SIM cards excluding M2M. - No official figure exists for business (A2P) SMS volume in Germany. ## Frequently asked questions - Can I use my company name as sender in Germany? Yes, up to 11 characters, without registration or surcharge, active after the first paid top-up. Names resembling well-known brands or authorities are reviewed manually. - How do I pay? Card or SEPA Direct Debit via Stripe, in euros, from €5. Each top-up comes with an invoice in euros. - Is there a monthly fee or minimum? No. Prepaid credit, no contract, credit never expires. - Where is data processed? In the EU; the data processing agreement is part of every account. - Is support available in German? Yes, by e-mail in German and English. ## Blog articles - [SMS gateways for Germany compared (2026)](https://topsms.eu/blog/sms-gateway-comparison-germany) (EN, 2026-11-07): Eleven SMS gateways for German businesses compared: price per SMS, monthly fee, sender name, free trial, API and EU hosting. Prices checked November 2026. - [SMS-Gateways für Deutschland im Vergleich (2026)](https://topsms.eu/de/blog/sms-gateway-vergleich-deutschland) (DE, 2026-11-07): Elf SMS-Gateways für deutsche Unternehmen im Vergleich: Preis pro SMS, Grundgebühr, Absendername, Gratis-Test, API, EU-Hosting. Preise geprüft im November 2026. - [What does a business SMS cost in Germany?](https://topsms.eu/blog/sms-cost-germany-business) (EN, 2026-11-07): What a business SMS to Germany costs: termination fees, routes, segments, Unicode and monthly fees vs prepaid, with worked examples for 1,000 to 50,000 SMS. - [SMS-Kosten für Unternehmen: Was kostet eine SMS?](https://topsms.eu/de/blog/sms-kosten-deutschland-unternehmen) (DE, 2026-11-07): Was eine Firmen-SMS nach Deutschland kostet: Terminierungsentgelte, Routen, Segmente, Unicode, Grundgebühr oder Prepaid, mit Beispielen bis 50.000 SMS. - [Alphanumeric sender ID in Germany and Austria](https://topsms.eu/blog/alphanumeric-sender-id-germany) (EN, 2026-11-07): How alphanumeric sender names work on German and Austrian networks: 11 characters, GSM alphabet, no replies, no registration, and how to set the name by API. - [Alphanumerischer SMS-Absender in Deutschland und Österreich](https://topsms.eu/de/blog/alphanumerischer-absender-deutschland) (DE, 2026-11-07): Alphanumerische Absendernamen in deutschen und österreichischen Netzen: 11 Zeichen, GSM-Alphabet, keine Antwort, keine Registrierung, Namenswahl, Feld from. - [SMS marketing in Germany: GDPR and § 7 UWG](https://topsms.eu/blog/sms-marketing-gdpr-germany) (EN, 2026-11-07): Legal basics for business SMS in Germany: transactional vs marketing, consent and double opt-in under § 7 UWG, opt-out, sender identification, GDPR and the DPA. - [SMS-Marketing und DSGVO: Regeln nach § 7 UWG](https://topsms.eu/de/blog/sms-marketing-dsgvo-deutschland) (DE, 2026-11-07): Rechtsgrundlagen für Firmen-SMS in Deutschland: Transaktion oder Werbung, Einwilligung und Double-Opt-in nach § 7 UWG, Abmeldung, Absenderangabe, DSGVO und AVV. - [How to choose an SMS gateway: 5 questions to ask](https://topsms.eu/blog/how-to-choose-sms-gateway) (EN, 2026-11-07): The price per SMS is only half the story. Sender ID fees, expiring credit and “from” prices: what to ask when choosing an SMS gateway for your company. - [SMS-Gateway auswählen: 5 Fragen vor der Entscheidung](https://topsms.eu/de/blog/sms-gateway-auswaehlen) (DE, 2026-11-07): Der Preis pro SMS ist nur die halbe Wahrheit. Absendergebühren, verfallendes Guthaben, „ab“-Preise: Was Sie bei der Wahl eines SMS-Gateways fragen sollten. - [SMS API integration in 5 minutes: step by step](https://topsms.eu/blog/sms-api-in-5-minutes) (EN, 2026-11-07): Connect an SMS API to your app: account, API key, first SMS via REST and delivery reports by webhook. Examples in curl, PHP, Node.js and Python, no SDK needed. - [SMS-API integrieren: Anleitung in 5 Minuten](https://topsms.eu/de/blog/sms-api-in-5-minuten) (DE, 2026-11-07): SMS-API an Shop oder App anbinden: Konto, API-Schlüssel, erste SMS per REST, Zustellberichte per Webhook. Beispiele in curl, PHP, Node.js und Python, ohne SDK. - [OTP via SMS: secure implementation guide](https://topsms.eu/blog/otp-sms-implementation) (EN, 2026-11-07): Implementing one-time codes via SMS: generation, hashing, rate limiting, TTL, code in PHP, Node.js and Python. Plus SMS vs TOTP vs passkey, SIM swap and NIST. - [OTP per SMS sicher implementieren: Anleitung](https://topsms.eu/de/blog/otp-per-sms-implementierung) (DE, 2026-11-07): Einmalcodes per SMS implementieren: Erzeugung, Hashing, Rate-Limiting, TTL, Code in PHP, Node.js und Python. Dazu SMS vs. TOTP vs. Passkey, SIM-Swap und NIST. - [How many characters fit in an SMS? 160 or 70](https://topsms.eu/blog/sms-length-characters) (EN, 2026-11-07): One SMS holds 160 characters, or 70 once a single emoji or non-GSM character appears. How segments are counted, which characters cost two, and how to send more. - [Wie viele Zeichen hat eine SMS? 160 oder 70](https://topsms.eu/de/blog/sms-laenge-zeichen) (DE, 2026-11-07): Eine SMS hat 160 Zeichen, mit einem einzigen Emoji oder Sonderzeichen nur 70. Wie Segmente gezählt werden, welche Zeichen doppelt zählen, wie Sie mehr senden. - [Shopware 6 SMS notifications: plugin and templates](https://topsms.eu/blog/shopware-sms-notifications) (EN, 2026-11-08): SMS order notifications in Shopware 6: the TopSMS plugin, which order states to notify, ready texts with placeholders, and the Flow Builder webhook alternative. - [Shopware 6 SMS-Benachrichtigung: Plugin und Vorlagen](https://topsms.eu/de/blog/shopware-sms-benachrichtigungen) (DE, 2026-11-08): SMS-Benachrichtigungen in Shopware 6: das TopSMS-Plugin, welche Bestellstatus eine SMS wert sind, fertige Texte mit Platzhaltern und der Flow-Builder-Webhook. - [Shopify SMS notifications without an app](https://topsms.eu/blog/shopify-sms-notifications) (EN, 2026-11-08): There is no TopSMS app for Shopify. Here is the honest route to SMS order notifications: Shopify Flow or Make calling the TopSMS API, with example payloads. - [Shopify SMS-Benachrichtigung ohne App](https://topsms.eu/de/blog/shopify-sms-benachrichtigungen) (DE, 2026-11-08): Eine TopSMS-App für Shopify gibt es nicht. So kommen Sie trotzdem zu SMS-Bestellbenachrichtigungen: Shopify Flow oder Make mit der TopSMS-API, mit Beispielen. - [SMS or WhatsApp Business? Comparison for Germany](https://topsms.eu/blog/sms-vs-whatsapp-business) (EN, 2026-11-08): SMS or WhatsApp Business for customer messages in Germany: reach, opt-in rules, pricing models, template approval, delivery without an app and GDPR compared. - [SMS oder WhatsApp Business? Vergleich für Firmen](https://topsms.eu/de/blog/sms-oder-whatsapp-business) (DE, 2026-11-08): SMS oder WhatsApp Business für Firmen in Deutschland: Reichweite, Opt-in, Preismodelle, Freigabe von Vorlagen, Zustellung ohne App und DSGVO im Vergleich. - [Appointment reminder SMS: 17 templates](https://topsms.eu/blog/appointment-reminder-sms-templates) (EN, 2026-11-08): 17 appointment reminder SMS texts for practices, physio, salons, workshops, restaurants and B2B, each under 160 characters, with timing, send_at and opt-out. - [Terminerinnerung per SMS: 17 Vorlagen](https://topsms.eu/de/blog/terminerinnerung-sms-vorlagen) (DE, 2026-11-08): 17 Vorlagen für Terminerinnerungen per SMS für Praxis, Physio, Salon, Werkstatt, Restaurant und B2B, je unter 160 Zeichen, mit Zeitpunkt, send_at und Abmeldung. - [Send SMS with PHP: cURL and Composer](https://topsms.eu/blog/send-sms-php) (EN, 2026-11-07): Send SMS from PHP in a few lines: plain cURL or the topsms/topsms-php library, safe retries with an Idempotency-Key and signed delivery webhooks. - [SMS mit PHP versenden: cURL und Composer](https://topsms.eu/de/blog/sms-versenden-php) (DE, 2026-11-07): SMS aus PHP in wenigen Zeilen: reines cURL oder die Bibliothek topsms/topsms-php, sichere Wiederholungen per Idempotency-Key und signierte Zustellberichte. - [Bulk SMS for businesses: send to thousands](https://topsms.eu/blog/bulk-sms-business) (EN, 2026-11-07): How companies in Germany and Austria send bulk SMS: CSV campaigns or the API, consent under § 7 UWG, opt-out, timing and what 5,000 SMS cost. - [Massen-SMS versenden: Anleitung für Unternehmen](https://topsms.eu/de/blog/massen-sms-versenden) (DE, 2026-11-07): So versenden Unternehmen Massen-SMS in Deutschland und Österreich: Kampagne per CSV oder API, Einwilligung nach § 7 UWG, Abmeldung, Timing und Kosten. - [Twilio alternative for SMS to Germany and Austria](https://topsms.eu/blog/twilio-alternative-europe) (EN, 2026-11-08): Twilio charges $0.112 per SMS to Germany, billed in US dollars. When an EU gateway at €0.084 with euro invoices fits better, and where Twilio stays ahead. - [Twilio-Alternative für SMS nach Deutschland](https://topsms.eu/de/blog/twilio-alternative) (DE, 2026-11-08): Twilio berechnet 0,112 $ pro SMS nach Deutschland, in US-Dollar. Wann ein EU-Gateway für 0,084 € mit Euro-Rechnung besser passt und wo Twilio vorne liegt. - [websms alternative: SMS without a monthly fee](https://topsms.eu/blog/websms-alternative) (EN, 2026-11-08): websms charges €19 a month plus €0.07 per SMS in Germany. When pay-as-you-go at €0.084 without a monthly fee is cheaper, and when websms wins. - [websms-Alternative: SMS ohne Grundgebühr](https://topsms.eu/de/blog/websms-alternative) (DE, 2026-11-08): websms kostet in Deutschland 19 € im Monat plus 0,07 € pro SMS. Wann Prepaid für 0,084 € ohne Grundgebühr günstiger ist und wann websms vorne liegt. - [LOX24 alternative: one SMS type, one price](https://topsms.eu/blog/lox24-alternative) (EN, 2026-11-08): LOX24 has three SMS types and prices tied to your last top-up. When one SMS type at €0.084 with sender name is simpler, and when LOX24 is cheaper. - [LOX24-Alternative: ein SMS-Typ, ein Preis](https://topsms.eu/de/blog/lox24-alternative) (DE, 2026-11-08): LOX24 hat drei SMS-Typen und Preise nach letzter Aufladung. Wann ein SMS-Typ für 0,084 € mit Absendername einfacher ist und wann LOX24 günstiger ist. - [Send SMS from your computer: 3 ways for businesses](https://topsms.eu/blog/send-sms-from-computer) (EN, 2026-11-08): Send SMS from a PC or Mac without a phone: via your phone's link app, a web SMS gateway in the browser or an API. What each costs, from €0.084 per SMS. - [SMS vom PC senden: 3 Wege für Unternehmen](https://topsms.eu/de/blog/sms-vom-pc-senden) (DE, 2026-11-08): SMS vom PC oder Mac senden, ohne Handy: per Smartphone-Verknüpfung, mit einem Web-SMS-Gateway im Browser oder per API. Was es kostet, ab 0,084 € pro SMS. - [SMS MCP server: send SMS from Claude and ChatGPT](https://topsms.eu/blog/sms-mcp-server-claude-chatgpt) (EN, 2026-11-08): Connect TopSMS to Claude or ChatGPT and send SMS, verification codes and delivery checks in plain language. Sign in with your account, no API key, no code. - [SMS MCP Server: SMS mit Claude und ChatGPT senden](https://topsms.eu/de/blog/sms-mit-claude-senden-mcp-server) (DE, 2026-11-08): Verbinden Sie TopSMS mit Claude oder ChatGPT: SMS und Bestätigungscodes senden, Zustellung und Guthaben prüfen. Anmeldung mit Ihrem Konto, ohne API-Schlüssel. - [Appointment reminder SMS from Google Calendar, without integration](https://topsms.eu/blog/appointment-reminder-sms-google-calendar) (EN, 2026-11-08): Send automatic appointment reminder SMS from Google Calendar, Outlook or Calendly: paste the iCal link, check the preview, switch it on. Templates for practices and salons. - [Terminerinnerung per SMS aus dem Google Kalender, ohne Integration](https://topsms.eu/de/blog/terminerinnerung-sms-google-kalender) (DE, 2026-11-08): SMS-Erinnerung an Termine automatisch aus Google Kalender, Outlook oder Calendly: iCal-Link einfügen, Vorschau prüfen, einschalten. Mit Vorlagen für Praxis, Salon, Werkstatt. ## German pages - [OTP und Bestätigungscodes](https://topsms.eu/de/anwendungen/otp-verifizierung): Login-Codes, 2FA und Rufnummernprüfung mit der Verify API: Wir erzeugen, senden und prüfen den Code. - [Bestell- und Versandbenachrichtigungen](https://topsms.eu/de/anwendungen/bestellbenachrichtigungen): Bestellung eingegangen, versandt, abholbereit: SMS aus WooCommerce, anderen Shops und Ihrem eigenen System. - [Terminerinnerungen](https://topsms.eu/de/anwendungen/terminerinnerungen): Weniger versäumte Termine in Praxen, Werkstätten und Salons, mit Erinnerungen über send_at geplant. - [Erinnerungen aus dem Kalender](https://topsms.eu/de/kalender-sms-erinnerungen): iCal-Link von Google Kalender, Outlook oder iCloud einfügen: TopSMS findet die Nummer im Termin und erinnert. Ohne Code. - [Zahlungserinnerungen aus lexoffice und sevDesk](https://topsms.eu/de/anwendungen/zahlungserinnerungen-lexoffice-sevdesk): Automatische SMS bei überfälligen Rechnungen: per API-Schlüssel verbinden, Tage wählen, Vorschau prüfen. - [SMS-API für Entwickler](https://topsms.eu/de/anwendungen/sms-api-fuer-entwickler): REST und JSON, Webhooks, Idempotency-Key, Testschlüssel, OpenAPI und ein MCP-Server. - [Automationen und KI-Agenten](https://topsms.eu/de/automatisierung-ki): Remote-MCP für Claude und Cursor, Make, n8n und Zapier: Workflows und Agenten senden SMS selbst. - [Preise](https://topsms.eu/de/preise) · [API-Dokumentation](https://topsms.eu/de/docs) · [Integrationen](https://topsms.eu/de/integrationen) · [MCP-Server](https://topsms.eu/de/mcp) · [SMS für KI-Agenten](https://topsms.eu/de/ki) ## Markdown versions - https://topsms.eu/pricing.md · https://topsms.eu/de/preise.md · https://topsms.eu/docs.md · https://topsms.eu/de/docs.md · https://topsms.eu/use-cases.md · https://topsms.eu/de/anwendungen.md - Machine-readable prices: https://topsms.eu/pricing.json