> For a complete page index of the Captain API documentation, fetch https://docs.captain.dev/llms.txt?excludeSpec=true # Keys > Captain is a fully managed API for deterministic file search over unstructured data. Connect cloud storage (S3, GCS, Azure, R2), index files, and query retrieved chunks with metadata. ## API Docs - Keys [Create Key](https://docs.captain.dev/reference/product-search/keys/create-key.md) - Keys [List Keys](https://docs.captain.dev/reference/product-search/keys/list-keys.md) - Keys [Get Key](https://docs.captain.dev/reference/product-search/keys/get-key.md) - Keys [Revoke Key](https://docs.captain.dev/reference/product-search/keys/revoke-key.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://docs.captain.dev/openapi.json) - [OpenAPI YAML](https://docs.captain.dev/openapi.yaml)