{"uid":"cap_wmRhrpYqLK91ljtQWQZuD","slug":"beggar-bot-permit-submit-base-mainnet-02755327","name":"Beggar Bot Permit Submit (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/permitsubmit?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_v5QQLgPXumLX2a2tdGcBh","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":"Submits a permit signature for USDC on Base mainnet, enabling gasless token approvals via EIP-2612 permit functionality.","exampleAgentPrompt":"Submit my signed USDC permit on Base mainnet so the spending is authorized — here are my permit parameters including the owner address, spender, value, deadline, and v/r/s signature components.","exampleUseCases":[{"title":"Gasless USDC approval for DeFi protocol","prompt":"I have a signed EIP-2612 permit for my USDC on Base mainnet and I want to submit it so the DeFi protocol can spend my tokens without me paying a separate approval gas fee — can you relay the permit with my owner, spender, value, deadline, and signature?"},{"title":"Agent-authorized USDC spending setup","prompt":"My AI agent needs spending authority over my USDC on Base mainnet — submit the permit signature I just generated so the agent's contract address is approved without an on-chain approve transaction."},{"title":"Pre-signed permit relay for automated payment","prompt":"I pre-signed a USDC permit on Base mainnet for an automated payment flow — please submit it on-chain now using the permit parameters: owner 0xABC..., spender 0xDEF..., value 50000000, deadline 1800000000, and my v/r/s signature."}],"resultDescription":"Returns a JSON response indicating whether the permit was successfully submitted on Base mainnet, including any transaction hash, on-chain status, or error details if the permit was invalid, expired, or already used.","failureModes":["Expired permit deadline returns error indicating signature is no longer valid","Invalid or malformed v/r/s signature components cause rejection","Nonce mismatch if permit was already used or resubmitted","Insufficient payment (0.02 USDC via x402) results in 402 Payment Required response","Network unavailability on Base mainnet causes submission failure","Wrong USDC contract address or chain ID mismatch causes transaction revert"],"whenToPreferThis":"Use this endpoint when you need to relay a pre-signed EIP-2612 permit for USDC on Base mainnet, enabling gasless token approvals as part of an automated or agent-driven payment workflow. Prefer this over manual on-chain approve transactions when the user has already generated a permit signature off-chain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-04T06:33:56.150Z","isFirstParty":false,"canonicalSlug":"beggar-bot-permit-submit-base-mainnet-02755327"}