aid: sinch
name: Sinch
description: Sinch is a cloud communications platform providing APIs for SMS, voice,
  video, fax, verification, and omnichannel messaging. It enables businesses to integrate
  global communication capabilities into their applications through programmable APIs
  for sending messages, making calls, verifying phone numbers, and managing sender
  identities across carrier networks worldwide.
type: Index
position: Consumer
access: 3rd-Party
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
- Communications
- Messaging
- SMS
- Voice
- Verification
- CPaaS
created: '2025-01-01'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: sinch:sms-api
  name: Sinch SMS API
  description: The Sinch SMS API enables developers to send and receive SMS messages
    globally at scale. It supports batch messaging with scheduled delivery, message
    templates, delivery reports, and inbound message handling via webhooks. The API
    provides group management for organizing recipients, automatic message encoding
    optimization, and supports both transactional and marketing use cases across carriers
    worldwide.
  humanURL: https://developers.sinch.com/docs/sms
  baseURL: https://us.sms.api.sinch.com
  tags:
  - SMS
  - Messaging
  - Batch Messaging
  properties:
  - type: Documentation
    url: https://developers.sinch.com/docs/sms
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-sms-openapi.yml
  - type: AsyncAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/asyncapi/sinch-sms-webhooks-asyncapi.yml
  - url: graphql/sinch-graphql.md
    type: GraphQL
- aid: sinch:conversation-api
  name: Sinch Conversation API
  description: The Sinch Conversation API is an omnichannel messaging platform that
    enables developers to send and receive messages across multiple channels including
    SMS, RCS, WhatsApp, Facebook Messenger, Instagram, Viber, Telegram, KakaoTalk,
    and LINE through a single unified API. It provides contact management, conversation
    tracking, message templating, and webhook callbacks for real-time event handling.
  humanURL: https://developers.sinch.com/docs/conversation
  baseURL: https://us.conversation.api.sinch.com
  tags:
  - Conversation
  - Omnichannel
  - WhatsApp
  - Messaging
  properties:
  - type: Documentation
    url: https://developers.sinch.com/docs/conversation
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-conversation-openapi.yml
  - type: AsyncAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/asyncapi/sinch-conversation-webhooks-asyncapi.yml
- aid: sinch:voice-api
  name: Sinch Voice API
  description: The Sinch Voice API is a programmable voice platform that allows developers
    to make, receive, and manage voice calls over PSTN, SIP, and in-app channels.
    It supports text-to-speech in over 115 languages, interactive voice response (IVR)
    menus, call recording, transcription, number masking, and conferencing.
  humanURL: https://developers.sinch.com/docs/voice
  baseURL: https://calling.api.sinch.com
  tags:
  - Voice
  - Calling
  - IVR
  - Telephony
  properties:
  - type: Documentation
    url: https://developers.sinch.com/docs/voice
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-voice-openapi.yml
  - type: AsyncAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/asyncapi/sinch-voice-callbacks-asyncapi.yml
- aid: sinch:verification-api
  name: Sinch Verification API
  description: The Sinch Verification API provides phone number verification through
    multiple methods including SMS, flashcalls, phone calls, and data verification.
    It enables developers to verify user identity by sending one-time codes or initiating
    automated verification flows.
  humanURL: https://developers.sinch.com/docs/verification
  baseURL: https://verification.api.sinch.com
  tags:
  - Verification
  - Identity
  - OTP
  - Authentication
  properties:
  - type: Documentation
    url: https://developers.sinch.com/docs/verification
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-verification-openapi.yml
  - type: AsyncAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/asyncapi/sinch-verification-callbacks-asyncapi.yml
- aid: sinch:numbers-api
  name: Sinch Numbers API
  description: The Sinch Numbers API enables developers to programmatically search
    for, purchase, configure, and manage phone numbers across multiple countries.
    It supports local, national, mobile, and toll-free number types that can be used
    with Sinch SMS, Voice, and Conversation APIs.
  humanURL: https://developers.sinch.com/docs/numbers
  baseURL: https://numbers.api.sinch.com
  tags:
  - Numbers
  - Phone Numbers
  - Provisioning
  properties:
  - type: Documentation
    url: https://developers.sinch.com/docs/numbers
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-numbers-openapi.yml
- aid: sinch:fax-api
  name: Sinch Fax API
  description: The Sinch Fax API allows developers to send and receive faxes programmatically
    at scale. It supports sending faxes to single or multiple recipients, downloading
    received faxes, and managing fax numbers. HIPAA, SOC 2 Type 1, and GDPR compliant.
  humanURL: https://developers.sinch.com/docs/fax
  baseURL: https://fax.api.sinch.com
  tags:
  - Fax
  - Document
  - HIPAA
  properties:
  - type: Documentation
    url: https://developers.sinch.com/docs/fax
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-fax-openapi.yml
- aid: sinch:elastic-sip-trunking-api
  name: Sinch Elastic SIP Trunking API
  description: The Sinch Elastic SIP Trunking API enables developers to programmatically
    create and manage SIP trunks for connecting existing telephony infrastructure
    to the Sinch network. Supports elastic scaling of voice capacity without fixed-capacity
    commitments.
  humanURL: https://developers.sinch.com/docs/sip-trunking
  baseURL: https://sip.api.sinch.com
  tags:
  - SIP
  - Voice
  - Trunking
  - Telephony
  properties:
  - type: Documentation
    url: https://developers.sinch.com/docs/sip-trunking
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-elastic-sip-trunking-openapi.yml
- aid: sinch:brands-api
  name: Sinch Brands API
  description: The Sinch Brands API allows developers to create, update, and manage
    customer brand profiles used across Sinch messaging products. Brands represent
    the business identity associated with messaging campaigns and sender registrations.
  humanURL: https://developers.sinch.com/docs/brands
  baseURL: https://brands.api.sinch.com
  tags:
  - Brands
  - Messaging
  - Compliance
  properties:
  - type: Documentation
    url: https://developers.sinch.com/docs/brands
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-brands-openapi.yml
- aid: sinch:provisioning-api
  name: Sinch Provisioning API
  description: The Sinch Provisioning API allows developers to programmatically set
    up and configure Sinch services and resources including service plans, credentials,
    and integrations.
  humanURL: https://developers.sinch.com/docs/provisioning
  baseURL: https://provisioning.api.sinch.com
  tags:
  - Provisioning
  - Configuration
  - Management
  properties:
  - type: Documentation
    url: https://developers.sinch.com/docs/provisioning
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-provisioning-openapi.yml
- aid: sinch:registration-api
  name: Sinch Registration API
  description: The Sinch Registration API provides endpoints for managing sender ID
    registrations and campaign registrations required for compliant business messaging
    in regulated markets.
  humanURL: https://developers.sinch.com/docs/registration
  baseURL: https://registration.api.sinch.com
  tags:
  - Registration
  - Sender ID
  - Compliance
  - Messaging
  properties:
  - type: Documentation
    url: https://developers.sinch.com/docs/registration
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-registration-openapi.yml
common:
- type: LinkedIn
  url: https://www.linkedin.com/company/sinch
- type: Website
  url: https://www.sinch.com/
- type: DeveloperPortal
  url: https://developers.sinch.com/
- type: Documentation
  url: https://developers.sinch.com/docs/
- type: Pricing
  url: https://www.sinch.com/pricing/
- type: Blog
  url: https://www.sinch.com/blog/
- type: GitHubOrg
  url: https://github.com/sinch
- type: TermsOfService
  url: https://www.sinch.com/terms-of-service/
- type: PrivacyPolicy
  url: https://www.sinch.com/privacy-policy/
- type: Support
  url: https://www.sinch.com/contact-us/
- type: StatusPage
  url: https://status.sinch.com/
- type: SignUp
  url: https://dashboard.sinch.com/signup
- type: Features
  data:
  - SMS pay-as-you-go (rates vary by country)
  - Voice pay-as-you-go (rates vary by country)
  - RCS messaging
  - Email via Mailgun (Sinch-owned) or Mailjet
  - WhatsApp Business Platform
  - Verify API for OTP across SMS/Voice/Flash Call/Push
  - Number Lookup
  - Conversation API for omnichannel chat
  - Tier 1 carrier with own network
  - REST APIs for each product
  - Default 100 SMS/sec
  - OAuth 2.0 + Application API tokens
  - Webhooks for delivery receipts
  - Available in 200+ countries
  - EU/US/AU/SG data residency
  - Enterprise committed-use volume contracts
  sources:
  - https://www.sinch.com/pricing/
  updated: '2026-05-04'
- type: Integrations
  url: https://sinch.com/integrations/
integrations:
- name: Adobe
- name: Emarsys
- name: SAP
- name: Blueshift
- name: Salesforce Marketing Cloud – Omnichannel Connector
- name: Freshdesk Messaging
- name: Freshdesk
- name: Zendesk Chat
- name: Sparkcentral by Hootsuite
- name: Salesforce Service Cloud
- name: Sureshot
- name: Oracle
- name: Salesforce
- name: Calabrio
- name: Artificial Solutions
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com