{"uid":"cap_kWlEkLMdpLJjpSmFYk3Zs","slug":"api-polypay-pro-8b2e5647","name":"PolyPay Gasless USDC Deposit","description":"Gasless USDC deposit to PolyPay multisig 0x51806490898991fbf6cb4f2a6743dd4ef8f12a6b. Sign EIP-3009 transferWithAuthorization for any amount in [1000000, 10000000000] (6-decimals USDC).","url":"https://api.polypay.pro/api/x402/deposit/0x51806490898991fbf6cb4f2a6743dd4ef8f12a6b?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"10000","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.00","successRate":"0.00","reviews":1,"stars":null,"state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$10000/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"10000","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"10000","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_CgRkeY2geKGIKwiH0fRkF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"10000","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Accepts a gasless USDC deposit to the PolyPay multisig wallet via EIP-3009 transferWithAuthorization, eliminating the need for ETH gas fees.","exampleAgentPrompt":"Deposit 50 USDC (50000000 in 6-decimal units) to the PolyPay multisig gaslessly — I've already signed the EIP-3009 transferWithAuthorization message with my wallet.","exampleUseCases":null,"resultDescription":"A confirmation that the gasless USDC transfer was accepted and submitted to the PolyPay multisig (0x51806490898991fbf6cb4f2a6743dd4ef8f12a6b), typically including a transaction hash or deposit acknowledgement.","failureModes":["Amount outside allowed range [1000000, 10000000000] — request rejected","Invalid or malformed EIP-3009 signature — authorization fails","Signature deadline expired — transferWithAuthorization nonce no longer valid","Incorrect from/to address in authorization — signature mismatch","USDC allowance or balance insufficient on-chain — transaction reverts","Network congestion causing delayed settlement"],"whenToPreferThis":"Use this endpoint when you need to deposit USDC to the PolyPay multisig wallet without requiring the sender to hold ETH for gas, leveraging EIP-3009 meta-transaction signatures. Prefer this over standard ERC-20 approve+transfer flows when the user cannot or prefers not to pay L1/L2 gas fees directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":1,"lastUsedAt":"2026-05-29T00:01:49.203Z","lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:37:35.616Z","isFirstParty":false,"canonicalSlug":"api-polypay-pro-8b2e5647"}