URL unshortener · Unshorten URL

by URL unshortener

POSTBaseSolanaArbitrumPolygonMonadAvalancheeip155:1329OptimismFraxtaleip155:42220stellar:pubnetalgorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=

$0.002

per call · USD Coin on Base

Follow a short link's redirect chain (bit.ly, t.co, youtu.be, tracking links, …) without downloading any page body: returns the final URL, the final HTTP status, and every hop with its status code and Location target. Capped at 5 redirects; every hop is SSRF-re-validated, so chains that dive into private networks are blocked. Lets agents pre-flight links before fetching or citing them.

Endpoint

POST https://agent402.tools/api/unshorten-url

4

Calls / 30d

1

Unique payers / 30d

Aug 31

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://agent402.tools/api/unshorten-url", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "url": "https://youtu.be/dQw4w9WgXcQ"
  }),
});
const data = await res.json();
cURL
curl -X POST \
  "https://agent402.tools/api/unshorten-url" \
  -H "Content-Type: application/json" \
  -d '{"url":"https://youtu.be/dQw4w9WgXcQ"}' \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "finalStatus": 200,
  "finalUrl": "https://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=youtu.be",
  "hops": [
    {
      "location": "https://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=youtu.be",
      "status": 303,
      "url": "https://youtu.be/dQw4w9WgXcQ"
    },
    {
      "location": null,
      "status": 200,
      "url": "https://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=youtu.be"
    }
  ],
  "redirects": 1,
  "truncated": false,
  "url": "https://youtu.be/dQw4w9WgXcQ"
}

Payment details

Pay to0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana, Arbitrum, Polygon, Monad, Avalanche, eip155:1329, Optimism, Fraxtal, eip155:42220, stellar:pubnet, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=
Schemesexact, upto

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