Ozma is the agentic API marketplace. Discover, compare, and call live data APIs through one governed gateway key — transparent merit rankings, usage billing, and spend caps enforced before every upstream call.
Illustrative trace. Live metrics on every API page.
Live from production
Metric definitions →One governed loop, end to end.
Compare on merit
OzmaScore ranks by reliability, latency, value, and momentum. The formulas are public.
Learn more →Call with one key
The gateway injects provider credentials and enforces your budget, daily cap, and per-call max before the upstream call.
Learn more →Pay for usage
Metered per call. Free catalog APIs cost nothing; paid calls are billed transparently and providers keep 90%.
Learn more →Stop collecting API keys.
Without Ozma
https://api-a.example/v1/… X-API-Key: *** https://api-b.example/data X-API-Key: *** https://api-c.example/query X-API-Key: *** https://api-d.example/live X-API-Key: *** → 4 dashboards · 4 invoices · 4 credential stores
With Ozma
curl https://gateway.ozma.app/v1/proxy/frankfurter/latest?from=USD \
-H "Authorization: Bearer $OZMA_API_KEY"- One key for the whole catalog
- Spend caps enforced server-side before upstream calls
- One metered invoice for usage
Live merit snapshot
REST Countries
OzmaScore 87 · P95 37ms · FREE
Ranked by usage, not by who pays us.
OzmaScore is computed from live telemetry — reliability, latency, value, and momentum. Formulas are published. There is no paid placement. New APIs get exploration slots via the new_rising board.
Top APIs by merit
Get country data including population, flags, and currencies
Score 87 · P95 37ms · FREE
This documentation shows how to use Greip API, By highlighting the API methods, options and some other features that allow you to get the most of this API.
Score 71 · P95 261ms · FREE
This API lists all 31 public holidays for all 13 provinces and territories in Canada, including federal holidays.
Score 71 · P95 124ms · FREE
A simple HTTP Request & Response Service. Run locally: $ docker run -p 80:80 kennethreitz/httpbin
Score 68 · P95 979ms · FREE
Characters, locations, and episodes from Rick and Morty
Score 67 · P95 105ms · FREE
The DocuSign REST API provides you with a powerful, convenient, and simple Web services API for interacting with DocuSign.
Score 65 · P95 127ms · FREE
Two sides. One market.
Call better APIs
- Free catalog APIs with no card required
- $1.00 starter credits after email verification
- Budgets, daily caps, and per-call maxima enforced at the gateway
- MCP, CLI, REST, and SDK parity
npx @ozma_app/cli connectEarn from your API
- Import an OpenAPI or RapidAPI listing and publish in minutes
- Keep 90% of revenue on standard listings
- Stripe Connect usage payouts
- Distribution to agents without rebuilding anything
You keep 90%. Ozma take is 10%. RapidAPI takes 25%, Zyla 20% →
For agents
13 MCP tools · OAuth 2.1 or Bearer · one gateway key · machine-readable catalog
Works with
Enter the marketplace.
Search verified live APIs, compare transparent merit, and call anything with one governed key.