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Onramp Link

by Onramp link (fund a wallet with in Onchain & crypto

x402 APIPassing, checked 3 h ago

Generate a single-use Coinbase Onramp URL that lets a human fund any wallet with a card or Apple Pay - the fastest way to put real USDC into an agent's wallet. Returns the ready-to-open URL, and a fee-inclusive quote when Coinbase provides one. Networks: base, ethereum, polygon, arbitrum, optimism, solana.

POST https://agent402.tools/api/onramp-link

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
185 ms typical, 185 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/onramp-link" \
  -H "content-type: application/json" \
  -d '{"address":"0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0","amount":"10","network":"base"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fonramp-link
const res = await pay("https://agent402.tools/api/onramp-link", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"address":"0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0","amount":"10","network":"base"}),
});
console.log(await res.json());

Example input

{
  "address": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
  "amount": "10",
  "network": "base"
}

Example output

{
  "note": "Open the URL in a browser to complete the purchase - it is single-use and expires after first visit.",
  "onrampUrl": "https://pay.coinbase.com/…single-use…",
  "singleUse": true
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402185 ms$0.001
8 h agoPassed402192 ms$0.001