Send HTTP requests online: a browser-based REST client

Sometimes you just need to fire an HTTP request and see what comes back — without installing a desktop app or wiring up curl. Yellorn's Request Sender is a lightweight, Postman-style REST client: compose a request, send it, and read the full response — status, headers, timing, and body.

Request Sender is a signed-in feature. Sign in (it's free), open the account rail, and choose Request Sender — or go straight to your Senders dashboard and click New Request.

• Method & URL — GET, POST, PUT, PATCH, DELETE, HEAD, or OPTIONS, and the target URL. Query params in the URL are parsed out into a readable table.
• Headers — add any request headers as key/value rows.
• Auth — pick None, Bearer token, Basic (username + password), or a Custom header, and Yellorn attaches it for you.
• Body — send JSON, plain text, or a form-urlencoded body. The JSON editor is the same Monaco editor as the main app.

Hit Send (or Cmd + Enter). The response panel shows the status code, how long the request took, the response size, and the response headers. Inspect the response body in Raw, Whitespace, or Hex view — handy when a body has invisible characters or an unexpected encoding.

Click Save (or Cmd + S) to keep the request as a named template you can re-open and re-send any time. Every dispatch — saved or ad-hoc — is logged with its full response details for 8 hours, so you can review what you sent and what came back. Your saved templates live on the Senders dashboard.

The request body, URL, and header values all support dynamic tokens — wrap a Python-flavoured expression in {{ }} and it's rendered fresh each time you send:

{
  "idempotency_key": "{{ uuid4() }}",
  "requested_at": "{{ now() }}",
  "nonce": {{ randint(100000, 999999) }}
}

See the dynamic tokens reference for the full token list.

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