> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.trygrant.com/api-reference/grant-events-api/catalogs/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.trygrant.com/_mcp/server. # Catalogs > API documentation for Grant — billing infrastructure for usage-based pricing ## API Docs - [List available pricing catalogs](https://docs.trygrant.com/api-reference/grant-events-api/catalogs/list.md): Catalogs - [List catalog entries](https://docs.trygrant.com/api-reference/grant-events-api/catalogs/list-entries.md): Catalogs ## OpenAPI Specification - [OpenAPI JSON](https://docs.trygrant.com/openapi.json): raw OpenAPI 3.1 specification for this API, JSON format - [OpenAPI YAML](https://docs.trygrant.com/openapi.yaml): raw OpenAPI 3.1 specification for this API, YAML format