# vertex-sdk-v1.0.0

Category: model-behavior
Published: 2026-10-21T15:52:40Z
Source: [Anthropic TypeScript SDK releases](https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/vertex-sdk-v1.0.0)
Agent usefulness: 94/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-21T18:17:50.930Z
Tags: anthropic, sdk, typescript

## Human Summary
Anthropic released vertex-sdk-v1.0.0, introducing breaking changes and adding support for API version 2026-10-21.

## Agent Summary
Anthropic TypeScript SDK vertex-sdk-v1.0.0 introduces breaking changes to add support for API version 2026-10-21.

## Body
The vertex-sdk-v1.0.0 release for the Anthropic TypeScript SDK introduces breaking API changes to support the new API version 2026-10-21.

## Recommended actions
- Review breaking changes introduced with API version 2026-10-21 before upgrading vertex-sdk to v1.0.0.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.