$0.005
per call · USD Coin on Base
List recent JPYC Transfer events on one supported chain from roughly the last hour of blocks, optionally filtered by address — tx hash, from, to, amount, block. Without a cursor: newest first. With a cursor: only events after that position, oldest first, so each observed event is returned once within the scanned window. Use to confirm a recent JPYC payment or monitor wallet activity. Not for history beyond the window, sanctions screening, identity, or finality proof.
Endpoint
GET https://open-pay.jp/api/paid/usdc/jpyc/transfers6
Calls / 30d
1
Unique payers / 30d
Aug 23
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://open-pay.jp/api/paid/usdc/jpyc/transfers", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://open-pay.jp/api/paid/usdc/jpyc/transfers?chain=polygon&limit=20" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"chain": "polygon",
"chainId": 137,
"contract": "0xE7C3D8C9a439feDe00D2600032D5dB0Be71C3c29",
"fromBlock": "92385945",
"generatedAt": "2026-08-21T04:30:45.340Z",
"hasMore": false,
"items": [
{
"blockNumber": "92387695",
"from": "0x13FE0A65D0aA7641B44D1AF17ECE4b41cEbB1880",
"logIndex": 286,
"to": "0xB808AF91bDc577BFb3f9c91470f3286dd076e5C1",
"txHash": "0xcae3af66168483e5905709cfc8f7cc0162f5234b9c456905df8ab4917b6f8c39",
"value": "600000000000000000000000",
"valueFormatted": "600000"
}
],
"mode": "snapshot",
"nextCursor": "92387695:286",
"notice": "onchain-facts-only",
"schemaVersion": "2.2",
"termsUrl": "https://open-pay.jp/en/terms",
"toBlock": "92387745",
"token": {
"decimals": 18,
"symbol": "JPYC"
},
"truncated": false
}Payment details
0x52d4901142e2b5680027da5eb47c86cb02a3ca81USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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