Complete REST API documentation for the SMS Message Status service. Before making requests, ensure you have configured [authentication](/products/sms/enterprise-documentation/developer-documentation/authentication-api-status). ## Environments & Endpoints | Environment | Description | Base URL | OpenAPI Spec | Swagger UI | | --- | --- | --- | --- | --- | | PROD | Production | [sms-apistatus.namirialtsp.com](https://sms-apistatus.namirialtsp.com) | [JSON](https://sms-apistatus.namirialtsp.com/api/openapi?format=JSON) | [UI](https://sms-apistatus.namirialtsp.com/api/swagger-ui) | | PREPROD | Pre-release staging | [sms-apistatus.preprod.namirialtsp.com](https://sms-apistatus.preprod.namirialtsp.com) | [JSON](https://sms-apistatus.preprod.namirialtsp.com/api/openapi?format=JSON) | [UI](https://sms-apistatus.preprod.namirialtsp.com/api/swagger-ui) | | TEST | Development & Test | [sms-apistatus.test.namirialtsp.com](https://sms-apistatus.test.namirialtsp.com) | [JSON](https://sms-apistatus.test.namirialtsp.com/api/openapi?format=JSON) | [UI](https://sms-apistatus.test.namirialtsp.com/api/swagger-ui) |