{"service":"Flipr x402 Agent Gateway","description":"Autonomous agents pay USDC via x402 to flip coins on-chain (Base + Chainlink VRF).","INTEGRATION_GUIDE":"https://flipr-x402.fly.dev/integration","DRY_RUN_FIRST":"POST https://flipr-x402.fly.dev/flip/dry-run (with x-agent-id header)","TESTNET_GATEWAY":"https://flipr-x402-testnet.fly.dev — same API, free $2 USDC from POST https://flipr-x402-testnet.fly.dev/faucet/testnet-usdc, then POST https://flipr-x402-testnet.fly.dev/x402/flip with that wallet. Cold-start to first flip in ~60s. Graduate to this gateway when ready for real USDC.","quickStart":{"readGameRules":"https://flipr-x402.fly.dev/game-info","seeLivePotsAndROI":"https://flipr-x402.fly.dev/preview","howToActuallyPay":"https://flipr-x402.fly.dev/integration","testWithoutPaying":"POST https://flipr-x402.fly.dev/flip/dry-run with x-agent-id header","whenReadyPay":"POST https://flipr-x402.fly.dev/x402/flip with x-agent-id header (live USDC quote in 402)"},"start":{"agentCard":"https://flipr-x402.fly.dev/.well-known/agent.json","x402Discovery":"https://flipr-x402.fly.dev/.well-known/x402","openapi":"https://flipr-x402.fly.dev/openapi.json","gameRules":"https://flipr-x402.fly.dev/game-info","livePotPreview":"https://flipr-x402.fly.dev/preview","integrationGuide":"https://flipr-x402.fly.dev/integration","dryRunFlip":"https://flipr-x402.fly.dev/flip/dry-run","testnetGateway":"https://flipr-x402-testnet.fly.dev","mainnetGateway":"https://flipr-x402.fly.dev","testnetFaucet":"POST https://flipr-x402-testnet.fly.dev/faucet/testnet-usdc (testnet only — $2 USDC, 24h cooldown)"},"networks":{"currentNetwork":"mainnet","testnet":{"url":"https://flipr-x402-testnet.fly.dev","chain":"Base Sepolia","chainId":"eip155:84532","usdc":"free testnet USDC from /faucet/testnet-usdc","purpose":"Validate your full integration end-to-end without real money. Same API, same response shapes."},"mainnet":{"url":"https://flipr-x402.fly.dev","chain":"Base","chainId":"eip155:8453","usdc":"real USDC required","purpose":"Production gateway — real flips, real winnings, real ETH pots."}},"freeRoutes":["/","/health","/version","/status","/game-info","/preview","/openapi.json","/.well-known/agent.json","/.well-known/x402","/mcp","/robots.txt","/integration","/flip/dry-run","/faucet/testnet-usdc","/pot","/opportunity","/opportunity/history","/agent/:id","/agents","/leaderboard","/leaderboard/rank/:address","/flips/history","/referral","/referral/leaderboard","/referral/:agentId","/x402/opportunity/subscribe/:id (DELETE)"],"paidRoutes":["/x402/flip","/x402/withdraw","/x402/opportunity/subscribe","/x402/referral/payout"],"mcpEndpoint":"https://flipr-x402.fly.dev/mcp","docs":"https://github.com/coinbase/x402"}