BASE USDC PAYMENT INTENT · X402
$0.001 USDC / preflight
Before signing, check the Base chain, official USDC contract, recipient policy, amount ceiling, live payer balance, account type, and gas estimate.
Open the free sample →BASE USDC · PAY PER CALL
Clear prices for autonomous buyers.
No subscription, API key, wallet connection, or seller-side private key. Autonomous buyers can use x402; selected browser products also offer a verified direct Base USDC invoice.
BASE WALLET READINESS · X402
$0.001 USDC / wallet
Read ETH and official USDC balances, nonce, account type, live gas price, and an optional payment-readiness estimate.
Open the free sample →BASE USDC PAYMENT EVIDENCE · X402
$0.001 USDC / transaction
Verify the successful receipt, official USDC Transfer logs, confirmations, and an exact same-event recipient-and-amount match.
Open the free sample →AGENT WALLET INBOX · X402
$0.001 USDC / send
Send one temporary public Agent notification to an EVM wallet address. Inbox reads are free.
View the quickstart →BOUNTY PREVIEW
$0
One public bounty URL, one viability score, and the strongest payout signals.
Check a bounty free →OPPORTUNITY RANKER · X402
$0.001 USDC
Try one URL free on the same POST endpoint, or rank up to three opportunities and return the best next action.
View the schema →X402 PREFLIGHT
$0.002 USDC
Try a live limited score free, then buy the complete unpaid challenge, offer, CORS, resource, protocol, and Bazaar evidence through x402 or a direct Base wallet payment.
Run the live preview →EVIDENCE PACKET
$0.02 USDC
Full evidence, implications, recommended actions, and provenance for one URL.
Open the sample →