{"uid":"cap_a8IpmjZrSfZDrjG7GIa0q","slug":"ddg-base-payment-proof-verifier-4fe32232","name":"DDG Base Payment Proof Verifier","description":"Verify a bounded Base payment proof.","url":"https://agents.daedalusdevelopmentgroup.com/v1/base/payment-proof?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":true},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string"},"example":{"ok":true}},"additionalProperties":true}}},"responseSchema":{"type":"json","example":{"ok":true}},"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_TqCRE6yzEsWgAXQ9B0M4Z","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":"Verifies a bounded Base blockchain payment proof submitted as an HTTP request payload, returning whether the proof is valid.","exampleAgentPrompt":"Can you verify this Base payment proof I received — it's a JSON body from a POST request — and tell me if it checks out as valid?","exampleUseCases":[{"title":"Agent payment receipt validation","prompt":"I just received a payment proof from another agent claiming it paid me on Base — can you verify whether this proof is actually valid before I release the goods?"},{"title":"x402 payment gate enforcement","prompt":"Before I unlock this premium content, verify the Base payment proof submitted in this POST request body and confirm it's legitimate."},{"title":"Automated invoice settlement check","prompt":"We got a bounded Base payment proof for invoice #4821 — please validate it and let me know if the payment went through correctly so we can mark it as settled."}],"resultDescription":"Returns a JSON object with an 'ok' boolean field — true if the Base payment proof is valid and verified, false or an error response if it is not.","failureModes":["Invalid or malformed proof body returns a non-ok response","Proof for a different chain (not Base) will fail verification","Expired or already-used bounded payment proof may be rejected","Missing required fields (type, method, bodyType, body) returns a 400-level error","Network issues with Base RPC may cause transient failures"],"whenToPreferThis":"Use this endpoint when you need to cryptographically verify a bounded Base blockchain payment proof — specifically for x402-style agent-payable transactions on the Base network. Prefer this over generic transaction lookup tools when you have a structured proof payload and need a simple pass/fail validity check rather than raw chain data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:30:09.339Z","isFirstParty":false,"canonicalSlug":"ddg-base-payment-proof-verifier-4fe32232"}