# Sinch Contacts API

**Canonical:** https://apis.io/apis/sinch/sinch-contacts-api/  
**Provider:** Sinch — https://apis.io/providers/sinch/  
**Base URL:** https://us.sms.api.sinch.com  
**Documentation:** https://developers.sinch.com/docs/sms

Sinch Contacts API is one of 35 APIs that [Sinch](https://apis.io/providers/sinch/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification. Tagged areas include Contacts. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an AsyncAPI specification.

Manage contacts and their channel identities. Contacts group together underlying connected channel recipient identities.

## Machine-readable artifacts (16)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-contacts-api-openapi.yml
- **Documentation** — https://developers.sinch.com/docs/sms
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/asyncapi/sinch-sms-webhooks-asyncapi.yml
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/graphql/sinch-graphql.md
- **Documentation** — https://developers.sinch.com/docs/conversation
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/asyncapi/sinch-conversation-webhooks-asyncapi.yml
- **Documentation** — https://developers.sinch.com/docs/voice
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/asyncapi/sinch-voice-callbacks-asyncapi.yml
- **Documentation** — https://developers.sinch.com/docs/verification
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/asyncapi/sinch-verification-callbacks-asyncapi.yml
- **Documentation** — https://developers.sinch.com/docs/numbers
- **Documentation** — https://developers.sinch.com/docs/fax
- **Documentation** — https://developers.sinch.com/docs/sip-trunking
- **Documentation** — https://developers.sinch.com/docs/brands
- **Documentation** — https://developers.sinch.com/docs/provisioning
- **Documentation** — https://developers.sinch.com/docs/registration

## Other Sinch APIs (12)

- [Sinch Access Control Lists API](https://apis.io/apis/sinch/sinch-access-control-lists-api/)
- [Sinch Active Numbers API](https://apis.io/apis/sinch/sinch-active-numbers-api/)
- [Sinch Applications API](https://apis.io/apis/sinch/sinch-applications-api/)
- [Sinch Apps API](https://apis.io/apis/sinch/sinch-apps-api/)
- [Sinch Available Numbers API](https://apis.io/apis/sinch/sinch-available-numbers-api/)
- [Sinch Available Regions API](https://apis.io/apis/sinch/sinch-available-regions-api/)
- [Sinch Batches API](https://apis.io/apis/sinch/sinch-batches-api/)
- [Sinch Brand Metadata API](https://apis.io/apis/sinch/sinch-brand-metadata-api/)
- [Sinch Brands API](https://apis.io/apis/sinch/sinch-brands-api/)
- [Sinch Callouts API](https://apis.io/apis/sinch/sinch-callouts-api/)
- [Sinch Calls API](https://apis.io/apis/sinch/sinch-calls-api/)
- [Sinch Capability API](https://apis.io/apis/sinch/sinch-capability-api/)

## Tags

Contacts

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/sinch/sinch-contacts-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/sinch/.