Buy a travel eSIM - via x402 USDC Base Wallet

Make paid API requests using the x402 HTTP payment protocol (USDC on Base Sepolia). Use when you need to access x402-protected services, pay for API calls wi...

Pay for resources via the x402 HTTP payment protocol using gasless USDC transfers on Base without accounts or KYC, enabling cryptographic identity-based access.

Create and manage USDC escrows for agent-to-agent payments on Base Sepolia. 30% gas savings, batch operations, dispute resolution.

Make x402 payments. Pay for APIs, sell your services, handle 402 Payment Required responses with USDC on Base and other EVM chains.

Blockchain security scanner for AI agents (testnet). Pay with Base Sepolia USDC via x402 protocol.

Make a paid API request to an x402 endpoint with automatic USDC payment. Use when you or the user want to call a paid API, make an x402 request, use a paid service, or pay for an API call. Use after finding a service with search-for-service.