Mentioned in the evidence
- Messages API
- Token Counting API
- Usage and Cost API
- Claude Enterprise Analytics API usage_report, cost_report, user_usage_report, and user_cost_report endpoints
Official sources
- Anthropic Claude release notes (changelog) ↗
We’ve raised the maximum request size for the Messages API and the Token Counting API from 32 MB to 128 MB on the first-party Claude API.
- Anthropic Claude release notes (changelog) ↗
The Usage and Cost API is now a legacy API, and so are the usage_report, cost_report, user_usage_report, and user_cost_report endpoints of the Claude Enterprise Analytics API. All of them remain supported. To move an existing integration, see Migrate from the Usage and Cost
This is a global change, verified against Anthropic’s own sources. It is not an assessment of your systems or your impact.