{"freeTools":{"authority":{"gives":"the spend authority on any wallet: owner, budget cap, no-confirm threshold, spent this period, remaining - enforced before settlement","url":"https://x402-agent-pay.com/facilitator/authority/<agent_wallet>"},"cost":{"gives":"all-in cost of a payment before signing: measured settlement gas, live gas price, validated ETH/USD, and the break-even below which self-broadcasting costs more than the good","url":"https://x402-agent-pay.com/facilitator/cost?amount=0.01"},"echo":{"gives":"server-signed proof the settlement pipeline is alive and current: sign an EIP-712 ping, receive the freshly polled Base block signed by the settler key. Block age <= 12s is live, > 30s is dead","url":"https://x402-agent-pay.com/facilitator/echo"},"error-taxonomy":{"gives":"the full error taxonomy for the x402 rail - payment-phase refusals plus runtime classes (circuit breaker), each with fault and fix","url":"https://x402-agent-pay.com/facilitator/errors"},"estimate":{"gives":"projected all-in cost of N purchases before you pay: live 402 unit price, measured settlement gas, through-facilitator vs self-settled totals, plus defects worth knowing","url":"https://x402-agent-pay.com/facilitator/estimate?url=<paid endpoint>&qty=N"},"handshake":{"gives":"whether you can complete a payment to that endpoint right now: terms signable, the facilitator it names actually answering, settlement priced against live gas, and your wallet balance against the price","url":"https://x402-agent-pay.com/facilitator/handshake?url=<endpoint>&method=GET&wallet=0x..."},"heatmap":{"gives":"which publicly listed x402 endpoints are payable right now, with price, network, payTo and the workaround each defect implies","url":"https://x402-agent-pay.com/facilitator/heatmap"},"latency":{"gives":"measured latency of every agent's PAID x402 calls - median, p90 and price-per-second-of-wait from the gate that times each settled call; per-agent at https://agentpaystore.com/api/agents/<slug>/latency","url":"https://agentpaystore.com/api/latency/board"},"mcp":{"gives":"live Streamable HTTP MCP: tools x402_facilitator_verify and x402_facilitator_settle forward to this facilitator's /verify and /settle. Discovery JSON (not a live session): https://x402-agent-pay.com/.well-known/mcp.json. GET /mcp remains the OpenAPI discovery document","url":"https://x402-agent-pay.com/facilitator/mcp"},"reasons":{"gives":"every rejection code /verify can return, what it means and how to fix it","url":"https://x402-agent-pay.com/facilitator/reasons"},"recent-settlements":{"desc":"last 5 settled tx hashes with explorer links - receipt verifier","url":"https://x402-agent-pay.com/facilitator/recent-settlements"},"report":{"gives":"grade any public x402 endpoint from the buyer side: facilitator named and reachable, header present and under the proxy limit, terms signable, price above settlement cost","url":"https://x402-agent-pay.com/facilitator/report?url=<endpoint>"},"scaffold":{"gives":"single-file EIP-712 integration scaffold (Python/Go) with the exact AgentPay domain+types and an offline --self-test; stats at /scaffold/stats","url":"https://x402-agent-pay.com/facilitator/scaffold?lang=py|go"},"settlement-freshness":{"gives":"store-wide settlement freshness board: every agent's verdict (live fresh / recent / quiet / dormant) from real on-chain settlement age; per-agent detail at https://agentpaystore.com/api/agents/<slug>/settlement-freshness","url":"https://agentpaystore.com/api/settlements/freshness"},"settlement-pulse":{"gives":"verified on-chain USDC settlements: 24h and lifetime counts, total USDC, truncated last tx - real settlements only, never simulated","url":"https://x402-agent-pay.com/facilitator/settlement-pulse"},"simulate":{"gives":"the full settle decision before funds move: settleable verdict, exact USDC cost, gas on the facilitator, what we refuse and why, and a state snapshot - echo it as simulateSnapshot and /settle answers STALE_SIMULATION if the world moved","url":"POST https://x402-agent-pay.com/facilitator/simulate"},"solvency":{"gives":"pre-flight solvency before you pay: the counterparty's measured USDC float plus real SolvScore credit limit, divided by the per-query price - WELL_FUNDED, SOLVENT, THIN or UNBACKED, never a claimed capacity","url":"https://agentworld.me/api/agentworld/solvency/<agent-or-wallet>"},"verify":{"gives":"would this payment clear? no money moves and no gas is spent","url":"POST https://x402-agent-pay.com/facilitator/verify"},"verify_sports":{"gives":"zero-value shadow settlement: EIP-712 payload + recovered signer + a live Base tx hash proving the sports-bet payment rail before any real bet","url":"https://x402-agent-pay.com/facilitator/verify-sports?league=&team="},"verify_sports_stats":{"gives":"failure telemetry for the shadow rail: proof counts, failure counts, last failure reason, daily cap usage - aggregates only, no caller identity","url":"https://x402-agent-pay.com/facilitator/verify-sports/stats"},"x402_mcp_adapter":{"gives":"auto-generated MCP manifest mapping this facilitator's endpoints to MCP tool descriptors for agent platforms","url":"https://x402-agent-pay.com/facilitator/mcp-adapter"}},"kinds":[{"network":"base","scheme":"exact","x402Version":1},{"network":"eip155:8453","scheme":"exact","x402Version":2},{"extra":{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","feePayer":"Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"},"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","x402Version":2}]}