Developer API keys.
Self-serve keys for the Developer Data API — SEC filings, Form 4 insider, 13F holdings, filing diffs, signed receipts, cross-border reference tables. Commercial use permitted. Free while in beta.
Command-line tool
Zero dependencies, Node 18+. Everything under /api/v1/market/
is keyless, so this works with no signup:
npm install -g https://quintarthai.com/cli/quintarthai-cli.tgz quintarthai quotes AAPL,SHOP.TO quintarthai fundamentals AAPL quintarthai screen --limit 25 | jq '.data[].code'
Output is JSON on stdout and JSON on stderr, so it
composes with jq and is directly usable by an agent. Exit codes: 0 ok,
1 request failed, 2 usage error.
The command table is generated from openapi.json, so the CLI cannot advertise an operation the API does not have. Full README · tarball.
Machine-readable resources
Building an agent or integration? Start with the specification — it covers both surfaces and is directly usable for function calling.
- /openapi.json · /openapi.yaml — canonical OpenAPI 3.1 spec, 50 paths, every operation typed and described.
- /llms.txt — what this site is, when to use it, and every entry point in one file.
- /api/v1/data/plans — tiers and rate limits. Keyless: call it before assuming you need a key.
- /mcp — Model Context Protocol endpoint (Trader tier or higher) · /mcp/mineral — mineral and mining data (API key). Both refuse anonymous callers with HTTP 401.
- /api/v1/public/docs — interactive Swagger UI.
Everything under /api/v1/market/ is public
and needs no credential. Everything under /api/v1/data/ needs a
key sent as Authorization: Bearer qt_live_…. Errors are always JSON, never
HTML, and carry a stable code plus a hint naming what to change.
First call
curl "https://quintarthai.com/api/v1/data/filings/search?ticker=AAPL" \ -H "Authorization: Bearer qt_live_YOUR_KEY"
Full endpoint reference: /api/docs · OpenAPI: /api/v1/public/openapi.json · Swagger: /api/v1/public/docs
Developer Data API outputs are published research data — identical for every caller requesting the same security, not tailored to you, and not investment advice. Quintessentia Network Inc. and its directors and officers hold no position in, and receive no compensation from, any issuer analyzed; should any such interest ever arise, a specific disclosure will be presented alongside the affected analysis. Disclosures