{"uid":"cap_V6Rj2DGq8CIXqqPr-QuR9","slug":"blockle-exchange-buy-block-via-x402-atomic-swap-7b574fd0","name":"Blockle Exchange — Buy BLOCK via x402 Atomic Swap","description":"Pay USDC over x402 to buy BLOCK, pay self-serve listing fees, or settle a priced action on the non-custodial Blockle exchange.","url":"https://exchange.blockle.org/x402/buy?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["to","usdc"],"properties":{"to":{"type":"string"},"usdc":{"type":"string"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1","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":"$1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Fe1Ftqj5cbz5iarvyi4rp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Purchase BLOCK tokens on the non-custodial Blockle exchange by paying USDC via the x402 payment protocol, or settle listing fees and other priced actions.","exampleAgentPrompt":"Buy BLOCK tokens on Blockle's non-custodial exchange by sending 50 USDC to my wallet address 0xABC123... — use the atomic swap so I keep custody the whole time.","exampleUseCases":[{"title":"Acquire BLOCK for token utility","prompt":"I want to buy BLOCK tokens on Blockle using 100 USDC — send the BLOCK to my wallet at 0xDEF456... and keep it non-custodial."},{"title":"Pay self-serve listing fee","prompt":"I need to pay the listing fee on Blockle to get my project listed — send 1 USDC from my wallet 0xABC789... to cover the listing cost."},{"title":"Settle a priced agent action","prompt":"My agent just triggered a priced action on the Blockle exchange — pay 5 USDC from address 0x123XYZ... to settle it and confirm the swap."}],"resultDescription":"An object confirming the swap or payment settlement, typically including transaction status, the amount of BLOCK received or fee settled, and on-chain confirmation details. The exact fields depend on the action settled.","failureModes":["Insufficient USDC balance — payment rejected with payment-required error","Invalid 'to' address format — request rejected before swap execution","USDC amount below minimum threshold — action not settled","Network congestion causing swap timeout or failure","x402 payment header missing or malformed — 402 Payment Required returned","BLOCK liquidity insufficient for the requested swap size"],"whenToPreferThis":"Choose this endpoint when you need to buy BLOCK tokens non-custodially via atomic swap using USDC and the x402 micropayment protocol, pay a Blockle self-serve listing fee, or settle any priced action on the Blockle exchange. Prefer this over custodial CEX alternatives when the user requires self-custody throughout the trade. Use this specifically when the target token is BLOCK and the payment token is USDC on the x402 protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T00:36:52.042Z","isFirstParty":false,"canonicalSlug":"blockle-exchange-buy-block-via-x402-atomic-swap-7b574fd0"}