# API references

Complete technical documentation of the WhatsApp Gateway APIs.
Before making requests, ensure you have configured [authentication](/products/whatsapp/enterprise-documentation/developer-documentation/authentication).

## Environments & endpoints

| Environment | Description | Base URL | OpenAPI Spec | Swagger UI |
|  --- | --- | --- | --- | --- |
| PROD | Production | [wa.namirialtsp.com](https://wa.namirialtsp.com/api/) | [OpenAPI](https://wa.namirialtsp.com/openapi?format=JSON) | [Swagger UI](https://wa.namirialtsp.com/swagger-ui/index.html) |
| TEST | Development & Test | [wa.test.namirialtsp.com](https://wa.test.namirialtsp.com/api/) | [OpenAPI](https://wa.test.namirialtsp.com/openapi?format=JSON) | [Swagger UI](https://wa.test.namirialtsp.com/swagger-ui/index.html) |