Overview
Upload a spec or a sample payload — get a live, stateful mock API in seconds.
Default mode
Active mock APIs
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Requests captured
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Requests by format
same records, negotiated per request
RPC dispatch APIs
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body-routed mocks
Busiest APIs
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APIs
| API | Source | Serves | Endpoints | Requests ↓ | Actions |
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1 Upload
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2 Review
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3 Launch
Drop a spec — or any sample payload
OpenAPI YAML/JSON, XML/JSON payloads, and text files containing any of these
No file handy?
Used in the mock's URL and docs
Where the mock is served
Stub needs no configuration
Only used in LLM mode
Upload a file or paste content to begin.
Endpoints preview
Upload a file and preview to see its endpoints.
Generated code
Code appears after preview.Try it
Send a request to any mock. The format toggle sets the request's Content-Type and Accept headers — the same record answers in JSON or XML.
Request bodyapplication/json
Responseidle
Response will appear here.
Bundled samples
Ready-made files to try API Studio: OpenAPI specs, the Tally XML gateway, and raw sample payloads. Download one, then upload it on the Create API page.
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Access
Creating and deleting APIs requires the admin key when this instance runs in protected mode. Reads — docs, mocks, request logs — never need it.
Instance
| Host | – |
| Admin authentication | – |
| LLM generation mode | – |
Endpoints — click to try
Dispatch rules
Recent requests to this API
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