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JSONing Fake API

Free and open source fake API for testing and prototyping

Visit jsoning.com →

An open-source mock API tool that generates a custom REST API from a JSON object. Users define resources and rules (HTTP method, path, headers, payload) to customize responses, status codes, and headers. Can be used online or installed locally from the GitHub source. A read-only public API is also available.

Category
Testing & QA
Pricing
free
Free tier
yes
API
yes
MCP server
no
SDK
no
Open source
yes

#mock-api#fake-api#rest#prototyping#open-source

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Listed 2026-10-20 · last verified 2026-10-20 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.9

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API
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