Public API

Read-only JSON endpoints. No auth required (rate-limited in production).

Endpoints

GET/api/models/free

All currently-free models with their routes. Supports filters: q, access, coding, vision, reasoning, toolCalling, openSource, provider, harness, noPayment, noSignup, minContext, sort.

GET/api/models/{id}

Full detail for one model: routes, harness compatibility, sources, change history.

GET/api/providers

All providers and aggregators.

GET/api/providers/{id}/free-models

Free models currently available through a given provider.

GET/api/harnesses/{id}/free-models

Free models usable with a given coding harness.

GET/api/changes

Recent change-history entries (free-status changes). Use ?limit=N.

Example

# Free coding models usable with OpenCodeGET /api/models/free?harness=opencode&coding=true&vision=false

{
  "count": 12,
  "models": [
    { "id": "deepseek-chat", "name": "DeepSeek V3 (Chat)",
      "bestAccessType": "free_tier", "bestStatus": "available",
      "routes": [ { "providerName": "DeepSeek", "accessType": "free_tier", ... } ] }
  ]
}

Live tester: open the models page with filters →