---
title: "Sinch (@sinch)"
description: "Cloud communications platform for businesses."
account: "sinch"
---

# Sinch

Cloud communications platform for businesses.

## APIs

18 public APIs with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/sinch/feed.md

- [Provisioning API](https://skmtc.dev/sinch/apis/provisioning-api.md): Messaging channels: manage WhatsApp, KakaoTalk and RCS senders, templates, webhooks and bundles
- [Sinch Sender ID Registrations API](https://skmtc.dev/sinch/apis/sinch-sender-id-registrations-api.md): Messaging: register and manage sender IDs by market, with requirements, templates and callbacks
- [API Overview | Sinch](https://skmtc.dev/sinch/apis/api-overview-sinch.md): SMS: send single or scheduled batch messages, manage recipient groups, and retrieve delivery reports and inbound replies
- [Registration](https://skmtc.dev/sinch/apis/registration.md): Telecom: register US 10DLC brands and campaigns and verify toll-free numbers
- [Fax API](https://skmtc.dev/sinch/apis/fax-api.md): Fax: send and receive faxes, manage services, cover pages, email domains and templates
- [Conversation API - Batch API | Sinch](https://skmtc.dev/sinch/apis/conversation-api-batch-api-sinch.md): Messaging: send batch messages, manage contacts and consents, check or cancel batch status
- [Elastic SIP Trunk API](https://skmtc.dev/sinch/apis/elastic-sip-trunk-api.md): Telephony: manage SIP trunks, endpoints, phone numbers, access control lists, credentials and call records
- [Conversation API | Sinch](https://skmtc.dev/sinch/apis/conversation-api-sinch.md): Messaging: send and receive SMS, RCS, WhatsApp and Viber messages, manage contacts, conversations and webhooks
- [Voice API | Sinch](https://skmtc.dev/sinch/apis/voice-api-sinch.md): Voice calling: place outgoing calls, control live calls and conferences, and manage numbers and callbacks
- [Sinch Compliance API - Brands](https://skmtc.dev/sinch/apis/sinch-compliance-api-brands.md): Compliance: register US brands, manage brand orders, attachments and webhook callbacks
- [Chatlayer Analytics API](https://skmtc.dev/sinch/apis/chatlayer-analytics-api.md): Chatbot analytics: query conversations, intents, flows, events, users and voice usage
- [Number Lookup Api v2](https://skmtc.dev/sinch/apis/number-lookup-api-v2.md): Phone number validation: run real-time lookups to verify and clean contact numbers
- [Number Lookup Api v1](https://skmtc.dev/sinch/apis/number-lookup-api-v1.md): Telecom: look up phone numbers to check validity, type and carrier details
- [Verification | Sinch](https://skmtc.dev/sinch/apis/verification-sinch.md): Phone verification: start SMS, flash call or voice verifications and report or look up their status
- [Imported Numbers and Hosting Orders](https://skmtc.dev/sinch/apis/imported-numbers-and-hosting-orders.md): SMS: import, host and qualify phone numbers for text messaging, with hosting orders and callbacks
- [Access Keys Management API](https://skmtc.dev/sinch/apis/access-keys-management-api.md): Access keys: create, list, update and delete project keys for generating access tokens
- [Sinch Brands API](https://skmtc.dev/sinch/apis/sinch-brands-api.md): Messaging: register and manage customer brands, submit them, and set callback notifications
- [Sinch Messaging and Content APIs | Sinch](https://skmtc.dev/sinch/apis/sinch-messaging-and-content-apis-sinch.md): Messaging: send, save and deliver MMS messages with media content