Pricing Organized by API Calls

These details are provided for developers and programmers

Transactions Class A
Costs: Free

B2 Native API
S3 Compatible API
b2_cancel_large_file
Abort Multipart Upload
b2_delete_bucket
CreateMultipartUpload
b2_delete_file_version
CompleteMultipartUpload
b2_delete_key
DeleteBucket
b2_finish_large_file
DeleteObject
b2_get_upload_part_url
DeleteObjects
b2_get_upload_url
PutObject
b2_hide_file
PutObjectLegalHold
b2_start_large_file
PutObjectLockConfiguration
b2_update_file_legal_hold
PutObjectRetention
b2_update_file_retention
UploadPart
b2_upload_file
b2_upload_part

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 10 Gigabytes in your account at the rate of $.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
S3 Compatible API
b2_download_file_by_id
GetObject
b2_download_file_by_name
GetObjectLegalHold
b2_get_file_info
GetObjectLockConfiguration
GetObjectRetention
HeadObject

Note: In addition to the cost of each API call, there is a cost of downloading data specific to b2_download_file_by_id and b2_download_file_by_name. The first 1 GByte downloaded each day is free, then the amount over 1 GByte costs $0.01/GByte. Each day starts at 00:00 UTC.

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

B2 Native API
S3 Compatible API
b2_authorize_account
CopyObject (Put Object Copy)
b2_copy_file
CreateBucket
b2_copy_part
DeleteBucketCors
b2_create_bucket
DeleteBucketEncryption
b2_create_key
GetBucketAcl (List Objects)
b2_get_download_authorization
GetBucketCors
b2_list_buckets
GetBucketEncryption
b2_list_file_names
GetBucketLocation
b2_list_file_versions
GetBucketVersioning
b2_list_keys
GetObjectAcl
b2_list_parts
HeadBucket
b2_list_unfinished_large_files
ListBuckets
b2_update_bucket
ListMultipartUploads
ListObjectsV2
ListObjectVersions
ListParts
PutBucketAcl
PutBucketCors
PutBucketEncryption
PutObjectAcl
UploadPartCopy