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OpenAPI Generator Online

Online API client and server SDK generator supporting 40+ languages and framewor

🔧 Developer ToolsHEALTHYchecked 7h ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

Online API client and server SDK generator supporting 40+ languages and frameworks. Generate client libraries or server stubs from any OpenAPI specification.

98HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: 98 · healthy
Uptime history
100%90 days
100%30 days
222P50 · ms
598P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 81 ms, slowest 423 ms, most recent 201 ms.
Live response samplecaptured by our last successful check
GET https://api.openapi-generator.tech/api/gen/clients

[
  "ada",
  "android"
]
Call itcurl · fetch · python
curl "https://api.openapi-generator.tech/api/gen/clients"
const res = await fetch("https://api.openapi-generator.tech/api/gen/clients");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://api.openapi-generator.tech/api/gen/clients")
print(res.json())
Endpoints · 6HealthyFULL DOCS ↗
Monitored path responding — GET /api/gen/clients222 mschecked 7h ago
GET/api/gen/clientsPROBED

Online API client and server SDK generator supporting 40+ languages and framewor

GET/api

Api — documented GET route.

GET/api/1

Api details by ID (example: 1).

GET/api?limit=10

Api — documented GET route.

GET/api/search?q=test

Search by query parameters.

GET/api/gen/clients/{language}

Returns options for a client library

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.

OpenAPI Generator Online: common questions

Is OpenAPI Generator Online free to use?

Yes — OpenAPI Generator Online is a free developer tools API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does OpenAPI Generator Online need an API key?

No — OpenAPI Generator Online needs no API key or signup. You can call it straight away; rate limits still apply (See documentation).

Can I call OpenAPI Generator Online from the browser?

Yes — OpenAPI Generator Online returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is OpenAPI Generator Online up right now?

As of our last scheduled check, OpenAPI Generator Online is healthy with 100% uptime over 90 days and a 222 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.