E

Exende · Callbacks

by Exende

POSTBase

$0.01

per call · USD Coin on Base

Create a temporary public webhook endpoint for AI agents and automated workflows that need to receive asynchronous callbacks from external services. Returns a callback URL plus read and wait endpoints. No server deployment, signup, API key, or subscription required.

Endpoint

POST https://api.exende.dev/v1/callbacks

9

Calls / 30d

1

Unique payers / 30d

Aug 22

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://api.exende.dev/v1/callbacks", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({}),
});
const data = await res.json();
cURL
curl -X POST \
  "https://api.exende.dev/v1/callbacks" \
  -H "Content-Type: application/json" \
  -d '{}' \
  -H "X-PAYMENT: <signed x402 payment>"

Payment details

Pay to0x9d2526fa73fcb300b78075c4446ec0b306f1a3f9
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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