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API Workspace

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Send HTTP requests straight from your browser and inspect the responses — status, timing, headers, and body.

Examples call small demonstration endpoints on this site. Choosing one only fills in the request — press Send to run it.

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    Response

    Send a request to see the response here.

    What a browser-based client can and can’t do
    • Requests go directly from your browser — there’s no proxy. The target server must allow cross-origin requests (CORS) from this site, or the browser will block the response.
    • Browsers control some request headers (such as Host, Cookie, Origin, and Content-Length); they can’t be set here.
    • Only response headers the server exposes to JavaScript are visible. Exact on-the-wire headers and total transfer size aren’t available to web pages.
    • Pages served over HTTPS can’t call http:// endpoints.
    • Cookies and stored credentials are never sent, and nothing you enter is saved.