# Backblaze S3-Compatible API

**Canonical:** https://apis.io/apis/backblaze/backblaze-s3-compatible-api/  
**Provider:** Backblaze — https://apis.io/providers/backblaze/  
**Documentation:** https://www.backblaze.com/apidocs/introduction-to-the-s3-compatible-api

Backblaze S3-Compatible API is one of 7 APIs that [Backblaze](https://apis.io/providers/backblaze/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Cloud Storage, Object Storage, and S3 Compatible. The published artifact set on APIs.io includes API documentation and an API reference.

The Backblaze S3-Compatible API allows existing applications built for Amazon S3 to work with Backblaze B2 Cloud Storage with minimal code changes. Supports S3 authentication (AWS Signature V4) and S3 API operations for bucket and object management. Endpoint URLs follow the pattern s3.<region>.backblazeb2.com.

## Machine-readable artifacts (17)

- **Documentation** — https://www.backblaze.com/apidocs/introduction-to-the-s3-compatible-api
- **APIReference** — https://www.backblaze.com/docs/cloud-storage-call-the-s3-compatible-api
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/apis.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/_index.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-authorize-and-provision-bucket-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-browse-bucket-files-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-cleanup-unfinished-large-files-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-configure-bucket-notifications-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-copy-file-into-bucket-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-create-application-key-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-large-file-upload-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-provision-bucket-and-upload-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-purge-file-versions-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-rotate-application-key-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-share-private-files-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-teardown-bucket-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/backblaze/refs/heads/main/arazzo/backblaze-upload-file-workflow.yml

## Other Backblaze APIs (6)

- [Backblaze Application Keys API](https://apis.io/apis/backblaze/backblaze-application-keys-api/)
- [Backblaze Authorization API](https://apis.io/apis/backblaze/backblaze-authorization-api/)
- [Backblaze Buckets API](https://apis.io/apis/backblaze/backblaze-buckets-api/)
- [Backblaze Files API](https://apis.io/apis/backblaze/backblaze-files-api/)
- [Backblaze Large Files API](https://apis.io/apis/backblaze/backblaze-large-files-api/)
- [Backblaze Notifications API](https://apis.io/apis/backblaze/backblaze-notifications-api/)

## Tags

Cloud Storage, Object Storage, S3 Compatible

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/backblaze/backblaze-s3-compatible-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/backblaze/.