OpenAPI Mock Generator

OpenAPI Mock Generator online — free

Generate sample JSON from OpenAPI schemas. Tentaco OpenAPI Mock Generator: review input and get an instant result — free, no sign-up.

Use the tool

Full tool — runs in your browser. No sign-up required.

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Does OpenAPI Mock Generator store my input?

No. OpenAPI Mock Generator processes the standard mode locally in your browser; Tentaco does not receive your input for that path.

Can I export the result?

Yes. Copy the output from OpenAPI Mock Generator or download it when the tool offers a file.

Which standards are supported?

OpenAPI Mock Generator follows the formats named in the UI and description. Unlisted variants are not guaranteed.

Can I use it offline?

After the first load, OpenAPI Mock Generator often keeps working offline. Online dependencies are labeled.