About
Backblaze B2 Cloud Storage is an S3-compatible object storage service for backup, active archiving, recovery, media workflows, and application data. The pricing page lists pay-as-you-go storage at $6 per TB per month, with free egress up to 3x average monthly storage and no minimum file size or storage duration fees.
The service includes a perpetual free allowance for the first 10 GB of storage, plus free API calls for B2 Reserve customers and limited free API calls for pay-as-you-go customers. It is aimed at developers and infrastructure teams that need object storage with predictable pricing, integration support, and optional annual capacity commitments.
- S3-compatible object storage
- First 10 GB storage free
- Free egress up to 3x storage
- No minimum file size fees
- No minimum storage duration fees
- Pay-as-you-go monthly billing
- Annual capacity billing option
- Free API calls for B2 Reserve
What's included in the free tier
- First 10GB of storage is always free.
- Free egress up to 3x average monthly storage.
- Egress beyond 3x average monthly storage billed at $0.01 per GB.
- No minimum file size fees.
- No minimum storage duration fees.
- Class A API calls are free.
- Class B and C API calls are free for the first 2,500 per day per class.
See Backblaze B2 Cloud Storage pricing for current limits.
