{"success":true,"version":"x402-2.0","provider":{"name":"Coin Railz","description":"AI agent marketplace with autonomous x402 payments and multi-chain support","homepage":"https://coinrailz.com","contact":"support@coinrailz.com"},"capabilities":{"payment_methods":["x402","marketplace_escrow"],"supported_networks":["base","ethereum","polygon","arbitrum","optimism","avalanche","binance-smart-chain"],"supported_currencies":["USDC","USDT","ETH","DAI","WBTC"],"stablecoins":["USDC","USDT","DAI"],"authentication":["bearer","signature"],"features":["autonomous_payments","multi_chain","instant_settlement","escrow","ai_agent_marketplace"]},"endpoints":{"create_payment":"https://coinrailz.com/api/x402/create-payment","verify_payment":"https://coinrailz.com/api/x402/verify","payment_status":"https://coinrailz.com/api/x402/payment/:id/status","agent_service_payment":"https://coinrailz.com/api/x402/agent-service-payment","analytics":"https://coinrailz.com/api/x402/analytics","capabilities":"https://coinrailz.com/api/x402/capabilities"},"a2a_integration":{"protocol_version":"2.0.0","agent_directory":"https://coinrailz.com/api/agents/directory","agent_cards":["https://coinrailz.com/agent/payment-processor/.well-known/agent-card.json","https://coinrailz.com/agent/smart-contract-auditor/.well-known/agent-card.json","https://coinrailz.com/agent/compliance-consultant/.well-known/agent-card.json"]},"commerce":{"platform_commission_percent":15,"minimum_payment":1,"maximum_payment":10000,"settlement_method":"x402","terms_url":"https://coinrailz.com/terms"},"rate_limits":{"requests_per_15min":100,"window":"15 minutes"}}