> For a complete page index of the Captain API documentation, fetch https://docs.filesearch.dev/llms.txt?excludeSpec=true

# Backblaze B2

> 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

- Backblaze B2 [Create Backblaze Sync](https://docs.filesearch.dev/reference/sync/backblaze/create.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.filesearch.dev/openapi.json)
- [OpenAPI YAML](https://docs.filesearch.dev/openapi.yaml)