$0.01
per call · USD Coin on Base
Only the federal contract awards changed since your cursor (delta of /v1/contrac — Keyset delta of /v1/contracts/awards: pass since=<next_cursor from your last call> and get only the federal contract awards added or changed after it, plus changed_count and a new next_cursor. Omit since once to bootstrap. Cursors are stable across restarts. Poll the free sibling /v1/contracts/awards/changes for…
Endpoint
GET https://x402-factory.com/v1/contracts/awards/delta1
Calls / 30d
1
Unique payers / 30d
Sep 9
Last called
exact
Payment scheme
Call this service
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://x402-factory.com/v1/contracts/awards/delta", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://x402-factory.com/v1/contracts/awards/delta" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"as_of": "2026-07-18T12:00:00.000Z",
"changed_count": 0,
"next_cursor": "djF8MjAyNi0wNy0xOFQxMjowMDowMC4wMDBafA",
"rows": []
},
"meta": {
"data_mode": "live",
"docs": "https://x402-factory.com/docs/gov.contracts-awards.delta",
"endpoint": "/v1/contracts/awards/delta",
"freshness": "daily",
"generated_at": "2026-09-09T23:10:42.590Z",
"request_id": "req_00000000",
"sources": [
"USAspending"
],
"version": "1.0.0"
}
}Payment details
0xcc42ed39a06b6cf3f484307ef76b88bf56fb305fUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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