
API Toolkit
How to use
What it does
A single page bundling 8 related tools — Test JSONPath expressions against JSON, Generate or validate JSON Schema, A mini HTTP request client, Parse cURL and generate Python/JS/Go, Debug WebSocket connections in-browser, Generate mock data from JSON schema, Parse the Header and Payload of a JWT token and Build GraphQL queries from fields and arguments.. Switch with the tabs above; each tool is fully usable here.
How to use it
Pick a tab to load the matching tool. Everything you type stays in your browser; nothing is uploaded or saved on a server.
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