{"id":"c6eb0f27-1243-44e5-b3df-525a43394abd","shortId":"ygnWaW","kind":"x402","title":"Pay 0.01 USDC (Base Sepolia) to retrieve a specific IPFS CID via x402 paywall.","tagline":"Pay 0.01 USDC (Base Sepolia) to retrieve a specific IPFS CID via x402 paywall.","description":"This x402-enabled endpoint serves content stored on IPFS (via Pinata) behind a micropayment wall. The resource is identified by a specific CID (bafkreifu5rll4aar7sa5vqvbtzycxdog5nivkhn5crf7ajkc6ga3gqcg4i) and costs 0.01 USDC on the Base Sepolia testnet. The endpoint uses the x402 \"exact\" payment scheme, accepting payment to address 0xbc03df2D9F44Cc552EbbFF39860f2CC4fC751d0E with a 60-second timeout. The USDC asset contract is 0x036CbD53842c5426634e7929541eC2318f3dCF7e.\n\nThe service appears to be hosted on a Pinata-based gateway (grapevine.dev-mypinata.cloud) that wraps IPFS content retrieval behind x402 payment challenges. A GET request without a valid x-payment header returns a 402 challenge describing the required payment. The response MIME type is application/octet-stream, indicating the content is served as raw binary data.\n\nDocumentation is absent — all crawled paths (root, /docs, /api, /pricing, /README) returned error pages. The service is on a testnet (Base Sepolia), so it is likely experimental or in development. No OpenAPI spec, agents.txt, or ai-plugin manifest was found.","tags":[],"capabilities":["x402-payment","ipfs-content-retrieval","pinata-gateway","base-sepolia-testnet","usdc-micropayment","cid-based-access"],"categories":["storage","crypto"],"synonyms":["IPFS paywall","paid IPFS gateway","x402 IPFS","Pinata x402","micropayment content gate","paid CID retrieval","crypto content access"],"warnings":["Testnet only (Base Sepolia) — not suitable for production use","No documentation found at any crawled path","Single CID endpoint — unclear if other CIDs are supported via the same pattern","No OpenAPI spec or API documentation available","Response content type is application/octet-stream with unknown payload structure","Service may be experimental or in early development"],"endpointUrl":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreifu5rll4aar7sa5vqvbtzycxdog5nivkhn5crf7ajkc6ga3gqcg4i","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/bafkreifu5rll4aar7sa5vqvbtzycxdog5nivkhn5crf7ajkc6ga3gqcg4i","description":"0.01 USDC on base-sepolia","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"10000","maxTimeoutSeconds":60}]},"qualityScore":"0.200","qualityRationale":"Minimal information available. No documentation, no OpenAPI spec, no examples, and the service is on a testnet. The only concrete data comes from the x402 challenge response. All crawled pages returned 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'/docs':149 '/pricing':151 '/readme':152 '0.01':2,16,56 '0x036cbd53842c5426634e7929541ec2318f3dcf7e':86 '0xbc03df2d9f44cc552ebbff39860f2cc4fc751d0e':75 '402':121 '60':78 'IPFS paywall' 'Pinata x402' 'absent':144 'accept':71 'address':74 'agents.txt':175 'ai':178 'ai-plugin':177 'appear':89 'application/octet-stream':132 'asset':83 'bafkreifu5rll4aar7sa5vqvbtzycxdog5nivkhn5crf7ajkc6ga3gqcg4i':53 'base':4,18,60,97,162 'base-sepolia-testnet' 'behind':41,105 'binari':140 'challeng':108,122 'cid':11,25,52 'cid-based-access' 'content':35,103,135 'contract':84 'cost':55 'crawl':146 'crypto content access' 'data':141 'describ':123 'develop':171 'document':142 'enabl':32 'endpoint':33,64 'error':154 'exact':68 'experiment':168 'found':182 'gateway':98 'get':110 'grapevine.dev-mypinata.cloud':99 'header':118 'host':92 'identifi':48 'indic':133 'ipf':10,24,38,102 'ipfs-content-retrieval' 'like':167 'manifest':180 'micropay':43 'micropayment content gate' 'mime':129 'openapi':173 'page':155 'paid CID retrieval' 'paid IPFS gateway' 'path':147 'pay':1,15 'payment':69,72,107,117,126 'paywal':14,28 'pinata':40,96 'pinata-bas':95 'pinata-gateway' 'plugin':179 'raw':139 'request':111 'requir':125 'resourc':46 'respons':128 'retriev':7,21,104 'return':119,153 'root':148 'scheme':70 'second':79 'sepolia':5,19,61,163 'serv':34,137 'servic':88,157 'spec':174 'specif':9,23,51 'store':36 'testnet':62,161 'timeout':80 'type':130 'usdc':3,17,57,82 'usdc-micropayment' 'use':65 'valid':114 'via':12,26,39 'wall':44 'without':112 'wrap':101 'x':116 'x-payment':115 'x402':13,27,31,67,106 'x402 IPFS' 'x402-enabled':30 'x402-payment'","prices":[{"id":"40df680b-edfe-40d0-9982-d097699fb1c8","listingId":"c6eb0f27-1243-44e5-b3df-525a43394abd","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"10000","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/bafkreifu5rll4aar7sa5vqvbtzycxdog5nivkhn5crf7ajkc6ga3gqcg4i","description":"0.01 USDC on base-sepolia","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"10000","maxTimeoutSeconds":60}],"asset_contract":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","max_timeout_seconds":60},"createdAt":"2026-04-18T18:30:41.806Z"}],"sources":[{"listingId":"c6eb0f27-1243-44e5-b3df-525a43394abd","source":"x402_bazaar","sourceId":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreifu5rll4aar7sa5vqvbtzycxdog5nivkhn5crf7ajkc6ga3gqcg4i","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:30:41.806Z","lastSeenAt":"2026-04-22T04:00:47.177Z"}],"details":{"listingId":"c6eb0f27-1243-44e5-b3df-525a43394abd","quickStartSnippet":"curl -X GET \\\n  https://grapevine.dev-mypinata.cloud/x402/cid/bafkreifu5rll4aar7sa5vqvbtzycxdog5nivkhn5crf7ajkc6ga3gqcg4i \\\n  -H 'X-Payment: <valid-x402-payment-token>'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint costs 0.01 USDC on Base Sepolia with exact payment scheme and 60-second timeout","source_url":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreifu5rll4aar7sa5vqvbtzycxdog5nivkhn5crf7ajkc6ga3gqcg4i"},{"claim":"Payment address is 0xbc03df2D9F44Cc552EbbFF39860f2CC4fC751d0E, USDC asset at 0x036CbD53842c5426634e7929541eC2318f3dCF7e","source_url":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreifu5rll4aar7sa5vqvbtzycxdog5nivkhn5crf7ajkc6ga3gqcg4i"},{"claim":"MIME type is application/octet-stream","source_url":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreifu5rll4aar7sa5vqvbtzycxdog5nivkhn5crf7ajkc6ga3gqcg4i"}],"useCases":["Paying to retrieve a specific IPFS-hosted file via x402 micropayment","Testing x402 payment flows on Base Sepolia testnet","Agent-driven content purchase from IPFS gateways"],"bestFor":["Developers testing x402 payment integrations on testnet","Agents that need to programmatically purchase IPFS-hosted content","Experimenting with micropayment-gated decentralized storage"],"notFor":["Production use (this is on Base Sepolia testnet)","Browsing or discovering available content (only a single CID is exposed)","Free IPFS content retrieval"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:25.361Z"},"updatedAt":"2026-04-22T04:00:47.177Z"}}