Canonical AI event

SDK 0.135.0 Adds Read-Only Spend Limit to Usage-Tier API

The new SDK version 0.135.0 includes a speed parameter for the Messages API and a read-only spend limit for Console organizations.

15 Oct 20261 verified claims1 sources1 observations
What happened

The official source reports this update: sdk-v0.135.0. Features api: add between_tools to thinking types in model capabilities api: add the speed parameter and usage.speed to Messages api: return a Console organization's usage-tier spend cap as a read-only spend limit Bug Fixes client: close streams dropped without being read to the end client: keep an unread JSONL response open while it is held Chores ci: speed up breaking change detection docs: describe headers on Managed Agents and telemetry endpoints Documentation api: note that some models need a beta header to use speed

Why it matters

This official update documents a development concerning sdk-v0.135.0. Its practical significance depends on the scope and evidence stated by the source.

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Read the official source update and verify its stated scope, evidence and timing before acting on it.

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