{"uid":"cap_ocBMrl8SGppKhp_C7EVJh","slug":"beggar-bot-eas-attest-build-base-mainnet-7c504680","name":"Beggar Bot EAS Attest Build (Base Mainnet)","description":"Paid: /v1/verify, /v1/risk, /v1/receipt cost $0.01 USDC per call on Base mainnet via x402 (payTo 0x719227f384b66BFEF00093D6d8d32fA9dC2B40e7); utilities analyze Base mainnet (USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) by default, network=base-sepolia optional; /v1/receipt/verify and discovery files are free. Operator: Beggar Bot.","url":"https://beggar-bot-demand.beggarbot.workers.dev/v1/easattestbuild?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oJ-c_CAJM8pQviOTxtGEz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Builds an EAS (Ethereum Attestation Service) attestation payload for use on Base mainnet, paid via x402 micropayment.","exampleAgentPrompt":"Can you build me an EAS attestation payload on Base mainnet using Beggar Bot — I need to attest some properties about a wallet address so I can submit the attestation on-chain?","exampleUseCases":[{"title":"Attest wallet reputation on-chain","prompt":"Build me an EAS attestation payload for a wallet's reputation properties on Base mainnet — I want to attest that this address has passed KYC and has good standing."},{"title":"Generate credential attestation for a user","prompt":"I need to create an EAS attestation payload for a user credential I'm issuing on Base mainnet — can you build the attestation data with these properties so I can sign and submit it?"},{"title":"Prepare attestation for NFT provenance","prompt":"Can you build an EAS attestation on Base mainnet that records provenance properties for an NFT — I want to attest the original creator and mint date before submitting it on-chain?"}],"resultDescription":"A JSON object containing a constructed EAS (Ethereum Attestation Service) attestation payload ready for signing and submission on Base mainnet, based on the provided schema properties.","failureModes":["Missing or malformed 'properties' input returns an error or empty build","Insufficient USDC payment (less than $0.02) results in HTTP 402 Payment Required","Invalid schema fields for EAS attestation may return a build error","Network unavailability on Cloudflare Workers may cause 5xx errors","Unsupported property types may be rejected silently or with error"],"whenToPreferThis":"Use this endpoint when you need to programmatically construct an EAS attestation payload on Base mainnet and want a simple REST API with per-call micropayment pricing via x402. Prefer this over manually constructing EAS payloads when you need a quick build step without deploying your own attestation infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-04T06:38:24.730Z","isFirstParty":false,"canonicalSlug":"beggar-bot-eas-attest-build-base-mainnet-7c504680"}