Pricing Organized by API Calls

These details are provided for developers and programmers.

Transactions Class A

Costs: Free

B2 Native API

b2_cancel_large_file

b2_delete_bucket

b2_delete_file_version

b2_delete_key

b2_finish_large_file

b2_get_upload_part_url

b2_get_upload_url

b2_hide_file

b2_start_large_file

b2_update_file_legal_hold

b2_update_file_retention

b2_upload_file

b2_upload_part

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S3 Compatible API

AbortMultipartUpload

CreateMultipartUpload

CompleteMultipartUpload

DeleteBucket

DeleteObject

DeleteObjects

PutObject

PutObjectLegalHold

PutObjectLockConfiguration

PutObjectRetention

UploadPart

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Note: There is no charge to send data (upload) to Backblaze B2. Backblaze does not charge bandwidth fees and does not charge for b2_upload_file calls. Once uploaded, storage charges apply to all data after the first 10GB in your account at the rate of $0.005/GB/month.

Transactions Class B

Cost: The first 2,500 of these calls are free each day, then $0.004 per 10,000

B2 Native API

b2_download_file_by_id
b2_download_file_by_name
b2_get_file_info

S3 Compatible API

GetObject
GetObjectLegalHold
GetObjectLockConfiguration
GetObjectRetention
HeadObject

Note: Backblaze supports unlimited data egress, including free egress up to 3x your monthly average storage, with any additional egress priced at $0.01/GB.

Transactions Class C

Cost: The first 2,500 of these calls are free each day, then $0.004 per 1,000

B2 Native API

b2_authorize_account
b2_copy_file
b2_copy_part
b2_create_bucket
b2_create_key
b2_get_download_authorization
b2_list_buckets
b2_list_file_names
b2_list_file_versions
b2_list_keys
b2_list_parts
b2_list_unfinished_large_files
b2_update_bucket

S3 Compatible API

CopyObject (Put Object Copy)
CreateBucket
DeleteBucketCors
DeleteBucketEncryption
GetBucketAcl (List Objects)
GetBucketCors
GetBucketEncryption
GetBucketLocation
GetBucketVersioning
GetObjectAcl
HeadBucket
ListBuckets
ListMultipartUploads
ListObjectsV2
ListObjectVersions
ListParts
PutBucketAcl
PutBucketCors
PutBucketEncryption
PutObjectAcl
UploadPartCopy