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402Signal · Route

by 402Signal

POSTBaseMarket data & DeFi
$0.003
per call · USDC on Base

402Signal checks x402 routes across Base, Solana, and Algorand before spending. $0.003 only when a valid live route is found. Normal typed misses are not settled. Seller payment is separate. Your agent keeps the wallet. Routing evidence enters the PQ Trust log on Algorand MainNet. Optional require_route_binding=true adds a signed v4 receipt for buyer-side comparison with current seller terms before signing. Guide: https://402signal.com/developers#route-binding

Endpoint
POST https://402signal.com/route
165calls / 30dmeasured by x402.new
3paying wallets / 30dmeasured by x402.new
97%uptime · 1005ms p95measured by x402-list.com
Acompliance grademeasured by x402-list.com

Listed in 3 directories: bazaar, x402-list, x402-new. First seen 5 Sept 2026.

Call this service

The endpoint answers an unpaid request with an HTTP 402 and a payment challenge. @x402/fetch signs it, pays in USDC, and retries — you get the result back in one call.

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

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

const res = await pay("https://402signal.com/route", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({ /* see the 402 challenge for the shape */ }),
});

console.log(await res.json());
Open the endpoint ↗On OpenSea's x402 Bazaar ↗Everything from 402signal.com

Uptime and compliance: x402-list.com (CC BY 4.0). Safety scores: x402.direct. Call and payer counts: x402.new. AMNT indexes this endpoint and does not host, operate or vouch for it.

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