{"uid":"cap_KrWI3aWr6WI43LCyGJI_d","slug":"canary-x402-settlement-test-base-solana-c9a91b56","name":"Canary x402 Settlement Test (Base & Solana)","description":"Pay-per-call x402 APIs for AI agents: OpenAI-compatible LLM chat, perp funding and arbitrage spreads, crypto prices, gas, FX, Solana SPL mint audit, token price by contract, x402 delivery-receipt verification, web search, clean page extraction, batch tools and deterministic code-security scanning. USDC on Base or Solana, no signup, no API key, from $0.0001 a call.","url":"https://scanpay-edge.alextaghiashvili.workers.dev/api/v1/canary?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","description":"Any JSON object, at most 8192 encoded bytes","additionalProperties":true}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"ts":1793491200,"echo":{"ping":"canary"},"note":"Cheapest deterministic x402 settlement test endpoint: one call proves wallet signing, facilitator settlement and delivery receipts end to end.","method":"POST","product":"scanpay.canary","price_usd":0.0001}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.0001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ttwe1NpdUF9BUD5qHTF7W","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Deterministic echo endpoint that proves end-to-end x402 wallet signing, facilitator settlement, and delivery receipts for Base and Solana wallets at minimum cost.","exampleAgentPrompt":"Run a quick canary check on the x402 settlement pipeline for my Base wallet — echo back whatever I send so I can confirm the full signing, settlement, and delivery receipt cycle worked.","exampleUseCases":[{"title":"Validate x402 wallet integration before launch","prompt":"Before I go live, can you hit the x402 canary endpoint with my Base wallet and confirm the full signing and settlement cycle works? Echo back a test payload so I can see the delivery receipt."},{"title":"Simulate timeout to test agent error handling","prompt":"I want to test how my agent handles a slow x402 response — can you call the canary endpoint with a 2500 millisecond delay and a 504 status so I can see the timeout error path?"},{"title":"Cheapest possible x402 liveness check","prompt":"Do a minimal $0.0001 canary call on the x402 settlement endpoint for my Solana wallet and confirm it echoes back correctly — I just need to know the facilitator pipeline is alive."}],"resultDescription":"A JSON object containing: ok (boolean), ts (Unix timestamp), echo (your input params truncated to 2000 chars), note (description string), method (HTTP method used), product (scanpay.canary), and price_usd (0.0001). No upstream calls are made; the response is fully deterministic.","failureModes":["status= parameter set to 4xx/5xx triggers that HTTP status code for error path testing","delay_ms up to 3000 causes intentional response delay, may cause client timeouts","Input JSON exceeding 8192 bytes is rejected","Invalid query parameter encoding may result in parse errors","x402 payment failure (insufficient balance, signing error) will block the call before any echo"],"whenToPreferThis":"Choose this endpoint when you need the absolute cheapest ($0.0001 USDC) deterministic confirmation that your x402 payment stack — wallet signing, facilitator settlement, and delivery receipts — works end to end on Base or Solana. Ideal for integration smoke tests, CI/CD health checks, and simulating error paths (custom status codes and delays) without any upstream side effects.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T18:33:05.288Z","isFirstParty":false,"canonicalSlug":"canary-x402-settlement-test-base-solana-c9a91b56"}