# llms.txt ## Table of contents - [International Messaging](https://clicksend-reunite.redocly.app/accounts/international-messaging.md) - [Messaging API and Post API | ClickSend](https://clicksend-reunite.redocly.app/index.html.md): Integrate powerful communication capabilities into your applications with ClickSend's versatile Messaging, Post and Austomations API for SMS, MMS, Online Post and Email. - [2026-10-19](https://clicksend-reunite.redocly.app/changelog.md) - [URL Shortening](https://clicksend-reunite.redocly.app/messaging/url-shortener.md) - [Test the SMS, MMS, Post and Fax API | ClickSend](https://clicksend-reunite.redocly.app/testing.md): Test the ClickSend API for free. Use your test credit to try SMS, MMS, Post and Fax. Fast calls. Seamless integration and comprehensive account control. - [API Messaging et API Post | ClickSend](https://clicksend-reunite.redocly.app/fr.md): Intégrez des capacités de communication puissantes dans vos applications grâce à l'API polyvalente de ClickSend pour les SMS, MMS, Post en ligne et e-mail. - [Testez l'API SMS, MMS, courriers et fax | ClickSend](https://clicksend-reunite.redocly.app/fr/testing.md): Testez gratuitement l'API ClickSend. Utilisez votre crédit de test pour essayer les SMS, MMS, courriers postaux et fax. Appels rapides. Intégration facile et contrôle complet du compte. - [API de Mensagens e API de Postagem | ClickSend](https://clicksend-reunite.redocly.app/pt.md): Integre poderosas funcionalidades de comunicação em suas aplicações com as versáteis APIs de Mensagens, Postagem e Automações da ClickSend para SMS, MMS, Postagem Online e E-mail. - [Teste a API de SMS, MMS, Post e Fax | ClickSend](https://clicksend-reunite.redocly.app/pt/testing.md): Teste a API da ClickSend gratuitamente." Use seu crédito de teste para experimentar SMS, MMS, Correio e Fax. Chamadas rápidas. Integração perfeita e controle abrangente da conta. - [2026-09-14](https://clicksend-reunite.redocly.app/fr/changelog.md) - [2026-09-14](https://clicksend-reunite.redocly.app/pt/changelog.md) - [Raccourcissement d'URL](https://clicksend-reunite.redocly.app/fr/messaging/url-shortener.md) - [Encurtamento de URL](https://clicksend-reunite.redocly.app/pt/messaging/url-shortener.md) - [Management](https://clicksend-reunite.redocly.app/accounts/management.md) - [Referrals](https://clicksend-reunite.redocly.app/accounts/referrals.md) - [Reseller](https://clicksend-reunite.redocly.app/accounts/reseller.md) - [Subaccounts](https://clicksend-reunite.redocly.app/accounts/subaccounts.md) - [Transactions](https://clicksend-reunite.redocly.app/accounts/transactions.md) - [Verification](https://clicksend-reunite.redocly.app/accounts/verification.md) - [Email](https://clicksend-reunite.redocly.app/automations/email.md) - [Fax](https://clicksend-reunite.redocly.app/automations/fax.md) - [SMS](https://clicksend-reunite.redocly.app/automations/sms.md) - [Voice](https://clicksend-reunite.redocly.app/automations/voice.md) - [Contacts](https://clicksend-reunite.redocly.app/contacts/contacts.md) - [Lists](https://clicksend-reunite.redocly.app/contacts/lists.md) - [Email To SMS](https://clicksend-reunite.redocly.app/messaging/email-to-sms.md) - [Email](https://clicksend-reunite.redocly.app/messaging/email.md) - [Fax](https://clicksend-reunite.redocly.app/messaging/fax.md) - [Message Delivery](https://clicksend-reunite.redocly.app/messaging/message-delivery.md) - [MMS Campaigns](https://clicksend-reunite.redocly.app/messaging/mms-campaigns.md) - [MMS](https://clicksend-reunite.redocly.app/messaging/mms.md) - [RCS](https://clicksend-reunite.redocly.app/messaging/rcs.md) - [SMS Campaigns](https://clicksend-reunite.redocly.app/messaging/sms-campaigns.md) - [SMS](https://clicksend-reunite.redocly.app/messaging/sms.md) - [Statistics](https://clicksend-reunite.redocly.app/messaging/statistics.md) - [URL Shortening](https://clicksend-reunite.redocly.app/messaging/url-shortening.md) - [Voice Messaging](https://clicksend-reunite.redocly.app/messaging/voice-messaging.md) - [Uploads](https://clicksend-reunite.redocly.app/other/uploads.md) - [Addresses](https://clicksend-reunite.redocly.app/post/addresses.md) - [Letters](https://clicksend-reunite.redocly.app/post/letters.md) - [Postcards](https://clicksend-reunite.redocly.app/post/postcards.md) - [Alpha Tags](https://clicksend-reunite.redocly.app/messaging/sender_ids/alpha-tags.md) - [Smart Assign](https://clicksend-reunite.redocly.app/messaging/sender_ids/default-senders.md) - [Numbers](https://clicksend-reunite.redocly.app/messaging/sender_ids/numbers.md) - [Own Numbers](https://clicksend-reunite.redocly.app/messaging/sender_ids/own-numbers.md) - [Messages internationaux](https://clicksend-reunite.redocly.app/fr/accounts/international-messaging.md) - [Gestion](https://clicksend-reunite.redocly.app/fr/accounts/management.md) - [Parrainage](https://clicksend-reunite.redocly.app/fr/accounts/referrals.md) - [Revendeur](https://clicksend-reunite.redocly.app/fr/accounts/reseller.md) - [Sous-comptes](https://clicksend-reunite.redocly.app/fr/accounts/subaccounts.md) - [Transactions](https://clicksend-reunite.redocly.app/fr/accounts/transactions.md) - [Vérification](https://clicksend-reunite.redocly.app/fr/accounts/verification.md) - [Email](https://clicksend-reunite.redocly.app/fr/automations/email.md) - [Fax](https://clicksend-reunite.redocly.app/fr/automations/fax.md) - [SMS](https://clicksend-reunite.redocly.app/fr/automations/sms.md) - [Messages vocaux](https://clicksend-reunite.redocly.app/fr/automations/voice.md) - [Contacts](https://clicksend-reunite.redocly.app/fr/contacts/contacts.md) - [Listes](https://clicksend-reunite.redocly.app/fr/contacts/lists.md) - [De l'e-mail au SMS](https://clicksend-reunite.redocly.app/fr/messaging/email-to-sms.md) - [E-mails](https://clicksend-reunite.redocly.app/fr/messaging/email.md) - [Fax](https://clicksend-reunite.redocly.app/fr/messaging/fax.md) - [Livraison de messages](https://clicksend-reunite.redocly.app/fr/messaging/message-delivery.md) - [Campagnes MMS](https://clicksend-reunite.redocly.app/fr/messaging/mms-campaigns.md) - [MMS](https://clicksend-reunite.redocly.app/fr/messaging/mms.md) - [RCS](https://clicksend-reunite.redocly.app/fr/messaging/rcs.md) - [Campagnes SMS](https://clicksend-reunite.redocly.app/fr/messaging/sms-campaigns.md) - [SMS](https://clicksend-reunite.redocly.app/fr/messaging/sms.md) - [Statistiques](https://clicksend-reunite.redocly.app/fr/messaging/statistics.md) - [URL Shortening](https://clicksend-reunite.redocly.app/fr/messaging/url-shortening.md) - [Messages vocaux](https://clicksend-reunite.redocly.app/fr/messaging/voice-messaging.md) - [Chargements](https://clicksend-reunite.redocly.app/fr/other/uploads.md) - [Adresses](https://clicksend-reunite.redocly.app/fr/post/addresses.md) - [Courriers](https://clicksend-reunite.redocly.app/fr/post/letters.md) - [Cartes postales](https://clicksend-reunite.redocly.app/fr/post/postcards.md) - [Mensagens Internacionais](https://clicksend-reunite.redocly.app/pt/accounts/international-messaging.md) - [Gerenciamento](https://clicksend-reunite.redocly.app/pt/accounts/management.md) - [Indicações](https://clicksend-reunite.redocly.app/pt/accounts/referrals.md) - [Revendedor](https://clicksend-reunite.redocly.app/pt/accounts/reseller.md) - [Subcontas](https://clicksend-reunite.redocly.app/pt/accounts/subaccounts.md) - [Transações](https://clicksend-reunite.redocly.app/pt/accounts/transactions.md) - [Verificação](https://clicksend-reunite.redocly.app/pt/accounts/verification.md) - [E-mail](https://clicksend-reunite.redocly.app/pt/automations/email.md) - [Fax](https://clicksend-reunite.redocly.app/pt/automations/fax.md) - [SMS](https://clicksend-reunite.redocly.app/pt/automations/sms.md) - [Voz](https://clicksend-reunite.redocly.app/pt/automations/voice.md) - [Contatos](https://clicksend-reunite.redocly.app/pt/contacts/contacts.md) - [Listas](https://clicksend-reunite.redocly.app/pt/contacts/lists.md) - [E-mail para SMS](https://clicksend-reunite.redocly.app/pt/messaging/email-to-sms.md) - [E-mail](https://clicksend-reunite.redocly.app/pt/messaging/email.md) - [Fax](https://clicksend-reunite.redocly.app/pt/messaging/fax.md) - [Entrega de mensagem](https://clicksend-reunite.redocly.app/pt/messaging/message-delivery.md) - [Campanhas MMS](https://clicksend-reunite.redocly.app/pt/messaging/mms-campaigns.md) - [MMS](https://clicksend-reunite.redocly.app/pt/messaging/mms.md) - [RCS](https://clicksend-reunite.redocly.app/pt/messaging/rcs.md) - [Campanhas de SMS](https://clicksend-reunite.redocly.app/pt/messaging/sms-campaigns.md) - [SMS](https://clicksend-reunite.redocly.app/pt/messaging/sms.md) - [Estatísticas](https://clicksend-reunite.redocly.app/pt/messaging/statistics.md) - [Encurtamento de URL](https://clicksend-reunite.redocly.app/pt/messaging/url-shortening.md) - [Mensagens de voz](https://clicksend-reunite.redocly.app/pt/messaging/voice-messaging.md) - [Uploads](https://clicksend-reunite.redocly.app/pt/other/uploads.md) - [Endereços](https://clicksend-reunite.redocly.app/pt/post/addresses.md) - [Cartas](https://clicksend-reunite.redocly.app/pt/post/letters.md) - [Cartões postais](https://clicksend-reunite.redocly.app/pt/post/postcards.md) - [Balises Alpha](https://clicksend-reunite.redocly.app/fr/messaging/sender_ids/alpha-tags.md) - [Smart Assign](https://clicksend-reunite.redocly.app/fr/messaging/sender_ids/default-senders.md) - [Numéros](https://clicksend-reunite.redocly.app/fr/messaging/sender_ids/numbers.md) - [Numéros propres](https://clicksend-reunite.redocly.app/fr/messaging/sender_ids/own-numbers.md) - [alpha tag](https://clicksend-reunite.redocly.app/pt/messaging/sender_ids/alpha-tags.md) - [Atribuição Inteligente](https://clicksend-reunite.redocly.app/pt/messaging/sender_ids/default-senders.md) - [Números](https://clicksend-reunite.redocly.app/pt/messaging/sender_ids/numbers.md) - [Números Próprios](https://clicksend-reunite.redocly.app/pt/messaging/sender_ids/own-numbers.md)