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JavaScript IP Geolocation API Example

Use JavaScript fetch to send your IPRout key in the Authorization header, apply a 10-second timeout, reject non-success HTTP statuses, and parse the JSON response. Keep IPROUT_API_KEY in the server environment rather than source code or a browser bundle.

Last updated August 10, 2026

How do I call IPRout with JavaScript?

This example looks up 8.8.8.8 unless the client example uses /ip to demonstrate caller lookup. Replace only the route when switching modes.

const response = await fetch("https://api.iprout.com/ip/8.8.8.8", {
  headers: { Authorization: `Bearer ${process.env.IPROUT_API_KEY}` },
  signal: AbortSignal.timeout(10000),
});
if (!response.ok) throw new Error(`IPRout HTTP ${response.status}`);
const data = await response.json();

How do I look up the caller instead?

Keep the headers and error handling unchanged, but request https://api.iprout.com/ip with no address after /ip.

What does production code need?

Keep the key server-side, use a finite timeout, inspect HTTP status before decoding success data, and handle 401, 422, 429, and transient 500 responses.

  • Read IPROUT_API_KEY from a secret environment
  • Do not retry 401 or 422 automatically
  • Use bounded backoff for transient server or network failures