# Working with API definitions

### In this section

* [OpenAPI Specifications](https://help.qlik.com/talend/en-US/data-mapper-user-guide/8.0-R2026-09/openapi-specifications)
* [REST API Definitions](https://help.qlik.com/talend/en-US/data-mapper-user-guide/8.0-R2026-09/rest-api-definitions)