Bulk API 2.0 and Bulk API Developer Guide

Introduction to Bulk API 2.0 and Bulk API
Bulk API 2.0
How Requests Are Processed
Quick Start: Bulk API 2.0
Bulk API 2.0 Ingest
Bulk API 2.0 Query
Headers
Sforce Call Options Header
Warnings Header
Content Type Header
Line Ending Header
Limits
Bulk API 2.0 Older Documentation
Bulk API 2.0 End-of-Life Policy
Bulk API
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Warnings Header

Use the Warning header to return warnings, such as the use of a deprecated version of the API.

Header Field Name and Values

Field name
Warning
Field values
  • warningCode
  • warningMessage

For warnings about deprecated API versions, the warningCode is 299.

Example
Warning: 299 - "This API is deprecated and will be removed by Summer '22. Please see https://help.salesforce.com/articleView?id=000351312 for details."