The v1 Data API retires December 10, 2026

From then, /api/data/v1/* returns 410 Gone. Create an API key, then move each request to its v2 endpoint below.

Find the v2 endpoint

v1 path	v2 endpoint
~~`/api/data/v1/llm/models`~~	`/api/v2/language/models` Pro Read `performance_v3`
~~`/api/data/v1/llm/model-provider-endpoints`~~	`/api/v2/language/providers` Commercial Read `performance_v3`
~~`/api/data/v1/speech-to-text/performance`~~	`/api/v2/media/speech-to-text/models` Pro
~~`/api/data/v1/speech-to-text/providers`~~	`/api/v2/media/speech-to-text/models` Pro
~~`/api/data/v1/llm/models/over-time`~~	`/api/v2/language/models/{slug}/performance` Commercial Read `series_v3`
~~`/api/data/v1/llm/model-provider-endpoints/over-time`~~	`/api/v2/language/providers/{slug}/performance` Commercial Read `series_v3`
~~`/api/data/v1/speech-to-text/performance-over-time`~~	None yet. Contact us.
~~`/api/data/v1/llm/measurements/{host_slug}`~~	`/api/v2/language/providers/{slug}/measurements` Commercial Read `measurements_v3`

Pro endpoints need a Pro plan, which you can start on your own. Contact us for Commercial endpoints, or for data v2 doesn't cover yet.