{"id":"b2a7451d-fc21-4518-b2e0-2747545503eb","shortId":"wqhme6","kind":"x402","title":"Pay 0.25 USDC on Base Sepolia to retrieve a pinned IPFS file via Pinata gateway.","tagline":"Pay 0.25 USDC on Base Sepolia to retrieve a pinned IPFS file via Pinata gateway.","description":"This x402-enabled endpoint serves IPFS content identified by a specific CID (bafkreicilic7mgda6sfqwokucrvxeuwbtv46l26jorawo45xll4ryshd2i) through a Pinata-hosted gateway at grapevine.dev-mypinata.cloud. Access requires an x402 payment of 0.25 USDC on the Base Sepolia testnet. The content is returned as application/octet-stream upon successful payment.\n\nThe endpoint follows the x402 protocol (version 1) with an \"exact\" payment scheme. Callers must include a valid `x-payment` header containing proof of payment to the designated wallet address. The payment asset is USDC (contract 0x036CbD53842c5426634e7929541eC2318f3dCF7e) on Base Sepolia, with a maximum timeout of 60 seconds for payment verification.\n\nNote that this runs on Base Sepolia, a testnet, so the USDC involved has no real monetary value. The gateway appears to be a Pinata-based IPFS gateway that gates content retrieval behind x402 micropayments. Documentation is not available — the host returns error messages for all non-CID routes, suggesting it functions purely as a content-serving gateway rather than a general-purpose API.","tags":[],"capabilities":["ipfs-content-retrieval","x402-payment-gating","usdc-payment","base-sepolia-testnet","pinata-gateway","octet-stream-response"],"categories":["storage","crypto"],"synonyms":["IPFS gateway","Pinata gateway","paid IPFS content","x402 file access","CID retrieval","micropayment file download","gated content"],"warnings":["No documentation available — all non-CID routes return errors","Runs on Base Sepolia testnet; USDC has no real value","Serves a single specific CID; unclear if other CIDs are supported at this gateway","Response content type is application/octet-stream with unknown payload format"],"endpointUrl":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreicilic7mgda6sfqwokucrvxeuwbtv46l26jorawo45xll4ryshd2i","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0xbc03df2D9F44Cc552EbbFF39860f2CC4fC751d0E","scheme":"exact","network":"base-sepolia","mimeType":"application/octet-stream","resource":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreicilic7mgda6sfqwokucrvxeuwbtv46l26jorawo45xll4ryshd2i","description":"0.25 USDC on base-sepolia","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"250000","maxTimeoutSeconds":60}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a well-formed x402 challenge, but there is no documentation, no OpenAPI schema, no examples, and the crawl yields only error pages. The listing description and title are minimal. The endpoint serves a single CID on a testnet, limiting its general 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'0x036cbd53842c5426634e7929541ec2318f3dcf7e':112 '1':82 '60':121 'CID retrieval' 'IPFS gateway' 'Pinata gateway' 'access':53 'address':105 'api':193 'appear':146 'application/octet-stream':71 'asset':108 'avail':165 'bafkreicilic7mgda6sfqwokucrvxeuwbtv46l26jorawo45xll4ryshd2i':44 'base':5,20,63,114,131,152 'base-sepolia-testnet' 'behind':159 'caller':88 'cid':43,175 'contain':97 'content':38,67,157,184 'content-serv':183 'contract':111 'design':103 'document':162 'enabl':34 'endpoint':35,76 'error':169 'exact':85 'file':12,27 'follow':77 'function':179 'gate':156 'gated content' 'gateway':15,30,50,145,154,186 'general':191 'general-purpos':190 'grapevine.dev-mypinata.cloud':52 'header':96 'host':49,167 'identifi':39 'includ':90 'involv':138 'ipf':11,26,37,153 'ipfs-content-retrieval' 'maximum':118 'messag':170 'micropay':161 'micropayment file download' 'monetari':142 'must':89 'non':174 'non-cid':173 'note':126 'octet-stream-response' 'paid IPFS content' 'pay':1,16 'payment':57,74,86,95,100,107,124 'pin':10,25 'pinata':14,29,48,151 'pinata-bas':150 'pinata-gateway' 'pinata-host':47 'proof':98 'protocol':80 'pure':180 'purpos':192 'rather':187 'real':141 'requir':54 'retriev':8,23,158 'return':69,168 'rout':176 'run':129 'scheme':87 'second':122 'sepolia':6,21,64,115,132 'serv':36,185 'specif':42 'success':73 'suggest':177 'testnet':65,134 'timeout':119 'upon':72 'usdc':3,18,60,110,137 'usdc-payment' 'valid':92 'valu':143 'verif':125 'version':81 'via':13,28 'wallet':104 'x':94 'x-payment':93 'x402':33,56,79,160 'x402 file access' 'x402-enabled':32 'x402-payment-gating'","prices":[{"id":"4e3ae8cf-1359-4156-bee5-cbdb342d8a74","listingId":"b2a7451d-fc21-4518-b2e0-2747545503eb","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"250000","chain":"base-sepolia","payTo":"0xbc03df2D9F44Cc552EbbFF39860f2CC4fC751d0E","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/octet-stream","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0xbc03df2D9F44Cc552EbbFF39860f2CC4fC751d0E","scheme":"exact","network":"base-sepolia","mimeType":"application/octet-stream","resource":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreicilic7mgda6sfqwokucrvxeuwbtv46l26jorawo45xll4ryshd2i","description":"0.25 USDC on base-sepolia","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"250000","maxTimeoutSeconds":60}],"asset_contract":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","max_timeout_seconds":60},"createdAt":"2026-04-18T18:31:28.011Z"}],"sources":[{"listingId":"b2a7451d-fc21-4518-b2e0-2747545503eb","source":"x402_bazaar","sourceId":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreicilic7mgda6sfqwokucrvxeuwbtv46l26jorawo45xll4ryshd2i","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:31:28.011Z","lastSeenAt":"2026-04-22T02:30:11.760Z"}],"details":{"listingId":"b2a7451d-fc21-4518-b2e0-2747545503eb","quickStartSnippet":"curl -X GET \\\n  -H \"x-payment: <valid-x402-payment-header>\" \\\n  https://grapevine.dev-mypinata.cloud/x402/cid/bafkreicilic7mgda6sfqwokucrvxeuwbtv46l26jorawo45xll4ryshd2i","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns a 402 challenge requiring 0.25 USDC on Base Sepolia with x402 version 1 exact scheme","source_url":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreicilic7mgda6sfqwokucrvxeuwbtv46l26jorawo45xll4ryshd2i"},{"claim":"Payment asset is USDC at contract 0x036CbD53842c5426634e7929541eC2318f3dCF7e","source_url":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreicilic7mgda6sfqwokucrvxeuwbtv46l26jorawo45xll4ryshd2i"},{"claim":"Content MIME type is application/octet-stream","source_url":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreicilic7mgda6sfqwokucrvxeuwbtv46l26jorawo45xll4ryshd2i"},{"claim":"Root and other paths return error messages indicating a CID-only gateway","source_url":"https://grapevine.dev-mypinata.cloud"}],"useCases":["Retrieving gated IPFS-pinned content by paying a micropayment","Testing x402 payment flows on Base Sepolia testnet","Building pay-per-download file distribution systems on IPFS"],"bestFor":["Developers testing x402 payment integrations on a testnet","Agents that need to fetch specific gated IPFS content","Prototyping pay-per-access content delivery over IPFS"],"notFor":["Production mainnet file hosting (this is on a testnet)","Browsing or searching IPFS content — this serves a single specific CID","Hosting or pinning new content — this is read-only retrieval"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:08.867Z"},"updatedAt":"2026-04-22T02:30:11.760Z"}}