$0.02
per call · USD Coin on Base
Confirm a crypto asset's price before your agent trades, quotes, or settles on it. A signed price oracle: cross-checks Coinbase, Kraken, and OKX for a median and flags divergence when sources disagree. Returns a signed attestation your agent can cite.
Endpoint
POST https://402oracle.com/verify/price3
Calls / 30d
2
Unique payers / 30d
Aug 30
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://402oracle.com/verify/price", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"symbol": "BTC"
}),
});
const data = await res.json();curl -X POST \
"https://402oracle.com/verify/price" \
-H "Content-Type: application/json" \
-d '{"symbol":"BTC"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"attestation": {
"confidence": 0.95,
"result": {
"divergent": false,
"median_usd": 67012.4,
"sources": [
"coinbase",
"kraken",
"okx"
],
"verdict": "confirmed"
},
"subject": {
"quote": "USD",
"symbol": "BTC"
},
"type": "price_verification"
},
"signature": {
"alg": "ES256",
"jwks": "/.well-known/jwks.json"
}
}Payment details
0x7a19cd388c7f69145fef09b960853e0a429b6f4aUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Market Data and the homepage with a featured placement.
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