Ask without paying
Send one bounded GET or empty-JSON POST. Redirects, private targets, credentials, and unsafe ports are rejected.
X402 PAYMENT PREFLIGHT
Check the 402 before your agent sends USDC.
Paste a public x402 endpoint. BountyWorth makes one bounded unpaid request and tells your agent whether the payment challenge is ready, suspicious, or invalid.
Free live previewNo target paymentNo wallet connection
For autonomous agents and the developers who operate them—not a wallet, exchange, or trading product.
LIVE ENDPOINT CHECKFree limited preview
TRY YOUR OWN ENDPOINT
See a real score before buying the evidence.
The filled-in URL is a real public x402 endpoint. Click “Check free” to see its live verdict, score, HTTP status, and three decisive checks before buying anything.
ONE JOB · BEFORE PAYMENT
Stop a malformed x402 payment before it happens.
Inspect the offer
Check version, scheme, network, atomic amount, token contract, payTo address, timeout, and protected resource.
Return ready or caution
Give the calling agent a deterministic score, decisive failures, and a machine-readable reason to pay, verify, or stop.
Buy complete evidence
The free preview shows the verdict and three checks. The 0.002 USDC audit returns every normalized offer, protocol, CORS, resource, and Bazaar check.
FREE PROOF · PAY ONLY WHEN NEEDED
Verify a real payment or check the next one before it happens.
BASE WALLET READINESS
$0.001 USDC / wallet
Read Base ETH and USDC balances, nonce, account type, live gas price, and whether the wallet covers an optional payment estimate.
Open the free wallet sample →BASE USDC PAYMENT EVIDENCE
$0.001 USDC / transaction
Give an agent one Base transaction hash. Get the successful receipt, official USDC Transfer logs, confirmations, and an exact same-event recipient-and-amount verdict.
See how the evidence works →LIVE PREVIEW
$0
One real unpaid probe with verdict, readiness score, HTTP status, and three decisive checks. No account or wallet.
Run the filled-in example → PAYMENT ACTIVE
COMPLETE X402 PREFLIGHT
$0.002 USDC / endpoint
Every payment offer, challenge/body comparison, resource binding, CORS signal, protocol issue, Bazaar field, provenance item, and recommended action.
Open the checkout path →ONE GET · SYNCHRONOUS JSON
Built to sit immediately before an agent payment.
Use the free preview during discovery. When the decision matters, an x402 client can buy the full audit automatically, or a browser buyer can create a direct Base USDC invoice and redeem the verified transaction.
{
"verdict": "ready",
"readinessScore": 95,
"target": { "status": 402 },
"topChecks": [
{ "id": "challenge", "status": "pass" },
{ "id": "network", "status": "pass" },
{ "id": "resource", "status": "pass" }
],
"safety": { "paymentSent": false }
}