# Sinch Active Numbers API

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

Sinch Active Numbers 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 Active Numbers. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an AsyncAPI specification.

Manage phone numbers that have been purchased and are active in your project, including updating configurations and releasing numbers.

## Machine-readable artifacts (16)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/sinch/refs/heads/main/openapi/sinch-active-numbers-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 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/)
- [Sinch Conferences API](https://apis.io/apis/sinch/sinch-conferences-api/)

## Tags

Active Numbers

---

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