Paste your JSON. Get a live API, OpenAPI spec, SDKs, and deployment options — in seconds. No backend coding required.
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From JSON to production-ready API in four simple steps
Just drop in your sample JSON — whether it's for a new app, testing, or prototyping.
We generate a fully functional REST API with real endpoints ready to use.
Automatically generate OpenAPI documentation and client SDKs in multiple languages.
Use our hosted API or export for self-hosting — you decide.
Everything you need to create, manage, and deploy mock APIs
Turn JSON into an endpoint instantly
Auto-generated, always up-to-date
For JavaScript, Python, Go, and more
Control who can access your endpoints
Built-in authentication for private endpoints
Download the code for your own hosting
Skip backend development when building prototypes or testing apps
Give your team an instant API to work with from day one
Skip expensive early backend builds and focus on what matters
Start free, upgrade when you need more power
Perfect for getting started
Enhanced features for teams
Enterprise-ready solution
Yes — you can generate unlimited public mock APIs for free. Perfect for testing, prototyping, and learning.
Usually under 10 seconds. Just paste your JSON and we'll generate everything you need instantly.
Not at all — just provide your JSON and we handle the rest. No backend knowledge required.
Join thousands of developers who've already saved hundreds of hours with MOCKLY