S3-compatible object storage for application uploads

Durable buckets, resumable multipart uploads and signed URLs behind a single endpoint. Drop-in replacement for any S3 SDK — change the endpoint, keep your code.

Resumable multipart uploads up to 5 TB per object
Pre-signed PUT and GET URLs with per-key expiry
Server-side encryption at rest, TLS 1.3 in transit
Eleven nines of durability across three availability zones

PUT /api/v1/storage/upload/{bucket}/{key}
Host: upload.blobharbor.store
Authorization: AWS4-HMAC-SHA256 Credential=<access-key>/...
x-amz-content-sha256: <payload-hash>