{"id":"bbe75638-ae2b-42a8-b356-edae58b5421e","shortId":"kHMcXa","kind":"x402","title":"Pay-per-access IPFS content retrieval via x402 on Base Sepolia (0.07 USDC per request).","tagline":"Pay-per-access IPFS content retrieval via x402 on Base Sepolia (0.07 USDC per request).","description":"This x402 endpoint serves IPFS content gated behind a micropayment of 0.07 USDC on the Base Sepolia testnet. The URL structure indicates it is hosted on a Pinata-based gateway (dev-mypinata.cloud) under the \"grapevine\" subdomain, and the path includes a specific CID (bafybeiffjwkdfy5lemdom3jmt2cb3uixtrbptq46gkznyyoqvdgeswqebm) identifying the pinned content.\n\nThe endpoint is designed to return the IPFS-pinned file once a valid x402 payment header is supplied. The price is 0.07 USDC (70,000 base units at 6 decimals) settled on Base Sepolia. During probing, the endpoint returned HTTP 429 on GET (rate-limited) and 405 on POST, which suggests the endpoint is live but may require specific request conditions or headers to surface the standard 402 challenge. No OpenAPI schema, documentation, or additional metadata was found on the origin domain — all non-CID paths return an \"Invalid URL\" error, consistent with a purpose-built IPFS gateway rather than a general-purpose API.\n\nBecause the crawl yielded almost no documentation and the 402 challenge was not directly captured, the listing is based primarily on the Bazaar record and URL structure. Buyers should expect to supply a valid x402 payment proof in the request header to retrieve the gated content.","tags":[],"capabilities":["ipfs-content-retrieval","x402-payment-gating","pinata-gateway","base-sepolia-usdc","micropayment-access"],"categories":["storage","crypto"],"synonyms":["IPFS gateway","Pinata x402","paid IPFS content","gated CID access","decentralized storage paywall","x402 IPFS"],"warnings":["The 402 payment challenge was not captured during probing — GET returned 429 (rate limit) and POST returned 405. The endpoint may be intermittently available or require specific headers.","No documentation, OpenAPI schema, or descriptive content found on the origin domain.","This endpoint operates on Base Sepolia (testnet), not mainnet — USDC used here has no real monetary value.","The served content (CID bafybeiffjwkdfy5lemdom3jmt2cb3uixtrbptq46gkznyyoqvdgeswqebm) is opaque; its type and size are unknown."],"endpointUrl":"https://grapevine.dev-mypinata.cloud/x402/cid/bafybeiffjwkdfy5lemdom3jmt2cb3uixtrbptq46gkznyyoqvdgeswqebm","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x99935f281d3ED1E804bF1413b76E0B03e1fed4F9","scheme":"exact","network":"base-sepolia","mimeType":"application/octet-stream","resource":"https://grapevine.dev-mypinata.cloud/x402/cid/bafybeiffjwkdfy5lemdom3jmt2cb3uixtrbptq46gkznyyoqvdgeswqebm","description":"0.07 USDC on base-sepolia","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"70000","maxTimeoutSeconds":60}]},"qualityScore":"0.250","qualityRationale":"No 402 challenge was directly captured (429 on GET, 405 on POST), no documentation or schema exists on the origin, and the crawl returned only error pages. The listing is constructed almost entirely from the Bazaar record and URL 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'000':106 '402':150,199 '405':129 '429':122 '6':110 '70':105 'IPFS gateway' 'Pinata x402' 'access':4,20 'addit':157 'almost':194 'api':189 'bafybeiffjwkdfy5lemdom3jmt2cb3uixtrbptq46gkznyyoqvdgeswqebm':76 'base':11,27,48,62,107,114,208 'base-sepolia-usdc' 'bazaar':212 'behind':40 'built':180 'buyer':217 'captur':204 'challeng':151,200 'cid':75,168 'condit':143 'consist':175 'content':6,22,38,80,235 'crawl':192 'decentralized storage paywall' 'decim':111 'design':84 'dev-mypinata.cloud':64 'direct':203 'document':155,196 'domain':164 'endpoint':35,82,119,135 'error':174 'expect':219 'file':91 'found':160 'gate':39,234 'gated CID access' 'gateway':63,182 'general':187 'general-purpos':186 'get':124 'grapevin':67 'header':97,145,230 'host':57 'http':121 'identifi':77 'includ':72 'indic':54 'invalid':172 'ipf':5,21,37,89,181 'ipfs-content-retrieval' 'ipfs-pin':88 'limit':127 'list':206 'live':137 'may':139 'metadata':158 'micropay':42 'micropayment-access' 'non':167 'non-cid':166 'openapi':153 'origin':163 'paid IPFS content' 'path':71,169 'pay':2,18 'pay-per-access':1,17 'payment':96,225 'per':3,15,19,31 'pin':79,90 'pinata':61 'pinata-bas':60 'pinata-gateway' 'post':131 'price':101 'primarili':209 'probe':117 'proof':226 'purpos':179,188 'purpose-built':178 'rate':126 'rate-limit':125 'rather':183 'record':213 'request':16,32,142,229 'requir':140 'retriev':7,23,232 'return':86,120,170 'schema':154 'sepolia':12,28,49,115 'serv':36 'settl':112 'specif':74,141 'standard':149 'structur':53,216 'subdomain':68 'suggest':133 'suppli':99,221 'surfac':147 'testnet':50 'unit':108 'url':52,173,215 'usdc':14,30,45,104 'valid':94,223 'via':8,24 'x402':9,25,34,95,224 'x402 IPFS' 'x402-payment-gating' 'yield':193","prices":[{"id":"23862401-436c-4a4a-9ac8-bd942f73e6fd","listingId":"bbe75638-ae2b-42a8-b356-edae58b5421e","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"70000","chain":"base-sepolia","payTo":"0x99935f281d3ED1E804bF1413b76E0B03e1fed4F9","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/octet-stream","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x99935f281d3ED1E804bF1413b76E0B03e1fed4F9","scheme":"exact","network":"base-sepolia","mimeType":"application/octet-stream","resource":"https://grapevine.dev-mypinata.cloud/x402/cid/bafybeiffjwkdfy5lemdom3jmt2cb3uixtrbptq46gkznyyoqvdgeswqebm","description":"0.07 USDC on base-sepolia","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"70000","maxTimeoutSeconds":60}],"asset_contract":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","max_timeout_seconds":60},"createdAt":"2026-04-21T18:32:34.126Z"}],"sources":[{"listingId":"bbe75638-ae2b-42a8-b356-edae58b5421e","source":"x402_bazaar","sourceId":"https://grapevine.dev-mypinata.cloud/x402/cid/bafybeiffjwkdfy5lemdom3jmt2cb3uixtrbptq46gkznyyoqvdgeswqebm","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:34.126Z","lastSeenAt":"2026-04-22T04:02:49.444Z"}],"details":{"listingId":"bbe75638-ae2b-42a8-b356-edae58b5421e","quickStartSnippet":"curl -H \"X-Payment: <x402_payment_proof>\" \\\n  https://grapevine.dev-mypinata.cloud/x402/cid/bafybeiffjwkdfy5lemdom3jmt2cb3uixtrbptq46gkznyyoqvdgeswqebm","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Price is 0.07 USDC on Base Sepolia","source_url":"https://grapevine.dev-mypinata.cloud/x402/cid/bafybeiffjwkdfy5lemdom3jmt2cb3uixtrbptq46gkznyyoqvdgeswqebm"},{"claim":"Origin returns 'No CID provided' error at root, consistent with a CID-based gateway","source_url":"https://grapevine.dev-mypinata.cloud"}],"useCases":["Paying to retrieve a specific IPFS-pinned file behind a micropayment wall","Testing x402 payment flows on Base Sepolia testnet","Monetizing pinned IPFS content via per-request USDC micropayments"],"bestFor":["Developers experimenting with x402 payment-gated IPFS content","Testnet-based micropayment prototyping","Serving premium or gated decentralized content"],"notFor":["Production mainnet content delivery (this is on Base Sepolia testnet)","Browsing or discovering arbitrary IPFS content — this serves a single CID"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-25T14:29:58.535Z"},"updatedAt":"2026-04-22T04:02:49.444Z"}}