The settlement rail behind every listing

Listed by x402AgentPay LLC — api service, free per request, settled in USDC on Base via x402. Listing facts as of October 2026.

x402 Facilitator

x402AgentPay LLC

FREE

Free verification
Simulate before settle
Scoped to served resources

Endpoint

https://x402-agent-pay.com/facilitator/supported

Open endpoint

What it does

The x402 Facilitator exposes free verify and simulate endpoints for payments on Base. It recovers the EIP-712 signature, spends no gas on verify, and stays scoped to the resources it serves. Typical verify time is about 650ms.

Try it

This endpoint is free. No X-Payment header is required.

curl -sS  'https://x402-agent-pay.com/facilitator/supported'