Public JSON API

Read-only access to the live catalog — same data as the site, synced hourly from OpenRouter. No auth. Responses are CORS-enabled (Access-Control-Allow-Origin: *) and cached for 5 minutes.

List models

curl 'https://modelright.dev/api/v1/models'

Returns { data, page, limit, total, pages }. Filters mirror the /models page:

`provider`	provider slug	`provider=openai`
`minContext`	minimum context window (tokens)	`minContext=200000`
`maxInputPrice`	maximum input $/1M	`maxInputPrice=2`
`modality`	image \| audio \| video \| file	`modality=image`
`freeOnly`	only $0 models	`freeOnly=1`
`hideRemoved`	default 1; set 0 to include removed	`hideRemoved=0`
`sort`	price_in, price_in_desc, price_out, price_out_desc, name	`sort=price_in`
`page`	page number (default 1)	`page=2`
`limit`	rows per page, max 200 (default 50)	`limit=100`

curl 'https://modelright.dev/api/v1/models?minContext=200000&maxInputPrice=2&sort=price_in'

Model detail

curl 'https://modelright.dev/api/v1/models/openai/gpt-5'

Includes the last 30 price/availability snapshots. Unknown pairs return 404 { error: "not_found" }.

Other machine surfaces

/api/models/search?q=… — fuzzy name search
/api/mcp — MCP endpoint (JSON-RPC)
/changes/rss.xml — RSS feed of catalog changes
/llms.txt — llms.txt manifest
/agents.txt — preferred agent interface, tools, auth, and rate limits
/openapi.json (also /.well-known/openapi.json) — OpenAPI 3.1 spec
/.well-known/agent-card.json — A2A agent card (/.well-known/agent.json redirects here)
/.well-known/mcp — MCP alias; /.well-known/mcp/server-card.json — Smithery server card