{"x402Version": 2, "resources": [{"resource": "https://deliver.hergertsynthora.com/service", "accepts": [{"scheme": "exact", "network": "eip155:8453", "maxAmountRequired": "1000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x10800a5a5B9d72251566EC651E862A8b4B427dE0", "resource": "https://deliver.hergertsynthora.com/service", "description": "Email deliverability and spam check: given a domain or email address, returns SPF, DKIM (common selectors), DMARC, MX records and a deliverability/spam score. DNS-only, deterministic, Ed25519-signed. Pay-per-use via x402 USDC on Base.", "mimeType": "application/json", "maxTimeoutSeconds": 300, "extra": {"name": "USD Coin", "version": "2"}}]}]}