# Sinch SMS API (end of sale)

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

Sinch SMS API (end of sale) is one of 25 APIs that [Sinch](https://apis.io/providers/sinch/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

The standalone SMS API: batches, delivery reports, inbounds and groups. End of sale for new integrations; new integrations should use the Conversation API, which supports SMS alongside other channels.

## Operations (20)

| Method | Path | Summary |
|---|---|---|
| GET | `/xms/v1/{service_plan_id}/groups/{group_id}` | Retrieve a group |
| PUT | `/xms/v1/{service_plan_id}/groups/{group_id}` | Replace a group |
| POST | `/xms/v1/{service_plan_id}/groups/{group_id}` | Update a group |
| DELETE | `/xms/v1/{service_plan_id}/groups/{group_id}` | Delete a group |
| GET | `/xms/v1/{service_plan_id}/batches/{batch_id}` | Get a batch message |
| PUT | `/xms/v1/{service_plan_id}/batches/{batch_id}` | Replace a batch |
| POST | `/xms/v1/{service_plan_id}/batches/{batch_id}` | Update a Batch message |
| DELETE | `/xms/v1/{service_plan_id}/batches/{batch_id}` | Cancel a batch message |
| GET | `/xms/v1/{service_plan_id}/groups` | List Groups |
| POST | `/xms/v1/{service_plan_id}/groups` | Create a group |
| GET | `/xms/v1/{service_plan_id}/batches` | List Batches |
| POST | `/xms/v1/{service_plan_id}/batches` | Send |
| POST | `/xms/v1/{service_plan_id}/batches/{batch_id}/delivery_feedback` | Send delivery feedback for a message |
| POST | `/xms/v1/{service_plan_id}/batches/dry_run` | Dry run |
| GET | `/xms/v1/{service_plan_id}/inbounds` | List incoming messages |
| GET | `/xms/v1/{service_plan_id}/inbounds/{inbound_id}` | Retrieve inbound message |
| GET | `/xms/v1/{service_plan_id}/groups/{group_id}/members` | Get phone numbers for a group |
| GET | `/xms/v1/{service_plan_id}/delivery_reports` | Retrieve a list of delivery reports |
| GET | `/xms/v1/{service_plan_id}/batches/{batch_id}/delivery_report` | Retrieve a delivery report |
| GET | `/xms/v1/{service_plan_id}/batches/{batch_id}/delivery_report/{recipient_msisdn}` | Retrieve a recipient delivery report |

## Machine-readable artifacts (2)

- **OpenAPI** — https://artifacts.apis.io/sinch/openapi/sinch-sms-api-openapi.yml
- **Documentation** — https://developers.sinch.com/docs/sms/

## Other Sinch APIs (12)

- [Sinch Conversation API](https://apis.io/apis/sinch/sinch-conversation-api/)
- [Sinch Conversation Batch API](https://apis.io/apis/sinch/sinch-conversation-batch-api/)
- [Sinch Template Management API v2](https://apis.io/apis/sinch/sinch-template-management-api/)
- [Sinch MMS API](https://apis.io/apis/sinch/sinch-mms-api/)
- [Sinch Voice API v2](https://apis.io/apis/sinch/sinch-voice-v2-api/)
- [Sinch Voice API v1](https://apis.io/apis/sinch/sinch-voice-api/)
- [Sinch Verification API](https://apis.io/apis/sinch/sinch-verification-api/)
- [Sinch Numbers API](https://apis.io/apis/sinch/sinch-numbers-api/)
- [Sinch Porting API](https://apis.io/apis/sinch/sinch-porting-api/)
- [Sinch Imported Numbers and Hosting Orders API](https://apis.io/apis/sinch/sinch-imported-numbers-hosting-api/)
- [Sinch Number Lookup API v2](https://apis.io/apis/sinch/sinch-number-lookup-v2-api/)
- [Sinch Number Lookup API v1](https://apis.io/apis/sinch/sinch-number-lookup-api/)

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