Added the /organization/projects/{project_id}/service_accounts/{service_account_id}/api_keys endpoint for managing service account API keys. Fixed a header name normalization bug that could cause request failures.
Node SDK
Added async event iterators, fromReadableStream to ResponseStream, streaming file uploads, and context to runTools callbacks. Stream finalization errors are now emitted, readable stream deltas in assistants are preserved, and Azure filter stream chunks are handled, plus compatibility fixes for Deno Zod types and Zod v4 mini schemas.
Fixed assistants array delta entries being incorrectly appended instead of placed by index, and a bug in the runner that was failing to normalize missing tool call IDs. Also includes gpt-5.6-sol model updates and documentation improvements for Azure Assistants, stream failures, and file search result limits.
Added afterCompletion hook to runTools, support for sideband call_id connections in realtime, and helpers for responses input items and stream accumulation. Also fixed structured output parsing issues including whitespace chunk breaking, incomplete output handling, and restoring output_text on streamed final response.
Updated the OpenAPI specification or Stainless configuration.
Package manager changed from npm to pnpm for the repository. Fixed a TypeScript issue with the main entry point and an issue with pnpm repo configuration on next builds.
Added moderation support to responses and chat_completions APIs.
Amazon Bedrock Responses support is now available in the Node SDK.
Workload identity is now included in audit logs, additional_tools item is available in responses, and ActionSearch.query is now optional. The migrate CLI has been removed.
Improved error guidance for undici dispatcher mismatches, and fixed text/plan content with format: binary being treated as raw uploads.
Types now allow runtime fetch options to be passed through the SDK. TypeScript compilation tool tsc-multi was upgraded to work with Node 26.
The responses compact method now accepts a service_tier parameter.
Admin organization usage responses now include a quantity field, and web_search_call.results is available as an output option in responses. Realtime translate and realtime 2 are launched, and an imagegen size enum regression is fixed.
Admin API Keys can now be configured per endpoint, and group_type and user metadata fields have been added across admin resources. Fixed admin API key authentication and auth header selection.
6.35.0 (2026-04-28)
6.34.0 (2026-04-08)
6.33.0 (2026-03-25)
6.32.0 (2026-03-17)
Full Changelog: v6.31.0...v6.32.0
Features
- api: 5.4 nano and mini model slugs (068df6d)


