> For a complete page index of the Captain API documentation, fetch https://docs.captain.dev/llms.txt?excludeSpec=true # Query History > 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 - Query History [List Queries](https://docs.captain.dev/reference/queries/list.md) - Query History [Get Query](https://docs.captain.dev/reference/queries/get.md) - Query History [Get Query Latency](https://docs.captain.dev/reference/queries/latency.md) - Query History [List Latency Collections](https://docs.captain.dev/reference/queries/latency/collections.md) - Query History [List Slowest Queries](https://docs.captain.dev/reference/queries/latency/slowest.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)