{"uid":"cap_PVqXD2in6l83fult-CWHn","slug":"aizamon-x402-ping-payment-rail-verification-673fc3df","name":"aizamon x402 Ping — Payment Rail Verification","description":"Proves an x402 client can finish 402, sign, settle, and read the result on Base. Optional ?echo= is returned. The body includes a signed Ed25519 payment attestation you can verify against the published receipt key. $0.01 USDC. This is the rail canary, not market data.","url":"https://aizamon.com/x402/v1/ping?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","properties":{"echo":{"type":"string","description":"Optional string echoed back"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"ok":{"type":"boolean"},"sku":{"type":"string"},"result":{"type":"object"},"protocol":{"type":"string"}},"additionalProperties":true}}}}},"responseSchema":{"type":"json","example":{"ok":true,"sku":"SKU_AG_PING_01","result":{"ping":{"ok":true,"echo":"pong","txHash":"0x…"},"product":"x402 Ping — prove the rail"},"protocol":"x402"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1HLeeAvd3x_NfU9nP36HU","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"A $0.01 hello-world endpoint that proves an x402 micropayment wallet stack can settle, returning a signed Ed25519 receipt attestation and an echo response as verifiable proof of payment.","exampleAgentPrompt":"Run a $0.01 x402 ping against aizamon.com to verify my wallet can settle — I need the signed Ed25519 receipt back as proof that my payment rail actually works.","exampleUseCases":[{"title":"New x402 wallet smoke test","prompt":"I just set up an x402 wallet and want to confirm it can actually settle payments — ping aizamon.com for $0.01 and show me the signed receipt so I know the stack is wired up correctly."},{"title":"Agent payment capability proof","prompt":"Before I deploy my trading bot, I need verifiable proof it can make micropayments. Send a $0.01 x402 ping to aizamon.com and give me back the Ed25519 attestation confirming the settlement went through."},{"title":"Integration debugging for x402 stack","prompt":"My x402 payment integration isn't behaving as expected — can you do a quick $0.01 test ping to aizamon.com and return the signed receipt so I can see exactly what the attestation looks like and compare it against my expected format?"}],"resultDescription":"Returns a signed Ed25519 receipt attestation confirming the $0.01 USDC micropayment settled successfully, plus an echo of the request — giving the caller cryptographically verifiable proof that their x402 wallet stack can pay.","failureModes":["Insufficient USDC balance in wallet — payment fails before endpoint is reached","Malformed x402 payment header — server rejects with 402 before returning attestation","Network timeout — no receipt returned, settlement state unknown","Invalid or expired payment credentials — authentication rejected","Wallet not x402-compatible — protocol handshake fails"],"whenToPreferThis":"Choose this endpoint when you need a cheap ($0.01), low-risk way to verify that an x402 wallet or payment stack can successfully settle a USDC micropayment and receive a cryptographically signed Ed25519 receipt as proof. Ideal for smoke-testing new integrations, debugging payment rail issues, or onboarding agents that need to demonstrate payment capability before being trusted with higher-value operations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:36:30.575Z","isFirstParty":false,"canonicalSlug":"aizamon-x402-ping-payment-rail-verification-673fc3df"}