{"id":"83be5932-93ee-4d32-893a-823f08703ba5","shortId":"f8u98a","kind":"x402","title":"Pay-per-access IPFS content retrieval via x402 on Pinata gateway (base-sepolia)","tagline":"Pay-per-access IPFS content retrieval via x402 on Pinata gateway (base-sepolia)","description":"This endpoint serves IPFS content gated behind an x402 payment challenge. It is hosted on a Pinata-based gateway (grapevine.dev-mypinata.cloud) and resolves a specific CID (bafkreigorlw5bfctawuuzkdsh3ta47fxlsyfoem2fylnqy456fj6grkyae). The listed price is 1 USDC on the Base Sepolia testnet, indicating this is likely a development or demonstration deployment rather than a production service.\n\nThe endpoint follows the x402 protocol pattern: unauthenticated requests are expected to receive an HTTP 402 response containing a payment challenge, which the caller satisfies by submitting a signed payment. However, during probing the endpoint returned HTTP 429 (rate limited) on GET and 405 (method not allowed) on POST, so the 402 challenge was not directly captured. The root domain returns generic error messages (\"No CID provided\" or \"Invalid URL\") for all non-CID paths, and no documentation, OpenAPI schema, or agents.txt was found.\n\nGiven the sparse information available — no docs, no captured 402 challenge, no schema, and only a Bazaar listing description — this listing should be treated as a stub. The endpoint may be functional but rate-limited or intermittently available. Callers should expect to provide an x402-compatible payment header when making GET requests to the full CID URL.","tags":[],"capabilities":["ipfs-content-retrieval","x402-payment-gating","pinata-gateway","base-sepolia-usdc","cid-resolution"],"categories":["storage"],"synonyms":["IPFS gateway","Pinata gateway","paid IPFS access","x402 IPFS","content-addressed storage","CID retrieval","decentralized storage paywall"],"warnings":["402 challenge was NOT captured during probing — endpoint returned 429 (GET) and 405 (POST)","No documentation, OpenAPI schema, or usage examples found anywhere on the domain","All non-CID paths return generic error messages; no docs endpoint exists","Uses Base Sepolia testnet USDC — this is a test/dev deployment, not production","Rate limiting (429) suggests the endpoint may throttle or block automated probes"],"endpointUrl":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreigorlw5bfctawuuzkdsh3ta47fxlsyfoem2fylnqy456fj6grkyae","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/bafkreigorlw5bfctawuuzkdsh3ta47fxlsyfoem2fylnqy456fj6grkyae","description":"1 USDC on base-sepolia","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"1000000","maxTimeoutSeconds":60}]},"qualityScore":"0.200","qualityRationale":"No 402 challenge was captured (429 on GET, 405 on POST). No documentation, no schema, no examples exist. The Bazaar listing provides only a price and network. This is effectively a stub with uncertain 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'402':98,134,177 '405':126 '429':120 'CID retrieval' 'IPFS gateway' 'Pinata gateway' 'access':4,19 'agents.txt':165 'allow':129 'avail':172,206 'bafkreigorlw5bfctawuuzkdsh3ta47fxlsyfoem2fylnqy456fj6grkyae':57 'base':14,29,49,66 'base-sepolia':13,28 'base-sepolia-usdc' 'bazaar':184 'behind':37 'caller':106,207 'captur':139,176 'challeng':41,103,135,178 'cid':56,148,157,225 'cid-resolution' 'compat':215 'contain':100 'content':6,21,35 'content-addressed storage' 'decentralized storage paywall' 'demonstr':76 'deploy':77 'descript':186 'develop':74 'direct':138 'doc':174 'document':161 'domain':142 'endpoint':32,84,117,196 'error':145 'expect':93,209 'follow':85 'found':167 'full':224 'function':199 'gate':36 'gateway':12,27,50 'generic':144 'get':124,220 'given':168 'grapevine.dev-mypinata.cloud':51 'header':217 'host':44 'howev':113 'http':97,119 'indic':69 'inform':171 'intermitt':205 'invalid':151 'ipf':5,20,34 'ipfs-content-retrieval' 'like':72 'limit':122,203 'list':59,185,188 'make':219 'may':197 'messag':146 'method':127 'non':156 'non-cid':155 'openapi':162 'paid IPFS access' 'path':158 'pattern':89 'pay':2,17 'pay-per-access':1,16 'payment':40,102,112,216 'per':3,18 'pinata':11,26,48 'pinata-bas':47 'pinata-gateway' 'post':131 'price':60 'probe':115 'product':81 'protocol':88 'provid':149,211 'rate':121,202 'rate-limit':201 'rather':78 'receiv':95 'request':91,221 'resolv':53 'respons':99 'retriev':7,22 'return':118,143 'root':141 'satisfi':107 'schema':163,180 'sepolia':15,30,67 'serv':33 'servic':82 'sign':111 'spars':170 'specif':55 'stub':194 'submit':109 'testnet':68 'treat':191 'unauthent':90 'url':152,226 'usdc':63 'via':8,23 'x402':9,24,39,87,214 'x402 IPFS' 'x402-compatible':213 'x402-payment-gating'","prices":[{"id":"cc3ddd72-7038-4c12-a0ac-b595d6bb62b5","listingId":"83be5932-93ee-4d32-893a-823f08703ba5","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"1000000","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/bafkreigorlw5bfctawuuzkdsh3ta47fxlsyfoem2fylnqy456fj6grkyae","description":"1 USDC on base-sepolia","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"1000000","maxTimeoutSeconds":60}],"asset_contract":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","max_timeout_seconds":60},"createdAt":"2026-04-18T18:31:29.214Z"}],"sources":[{"listingId":"83be5932-93ee-4d32-893a-823f08703ba5","source":"x402_bazaar","sourceId":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreigorlw5bfctawuuzkdsh3ta47fxlsyfoem2fylnqy456fj6grkyae","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:31:29.214Z","lastSeenAt":"2026-04-22T02:30:11.812Z"}],"details":{"listingId":"83be5932-93ee-4d32-893a-823f08703ba5","quickStartSnippet":"curl -i https://grapevine.dev-mypinata.cloud/x402/cid/bafkreigorlw5bfctawuuzkdsh3ta47fxlsyfoem2fylnqy456fj6grkyae","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Root domain returns 'No CID provided - ERR_ID:00004' error","source_url":"https://grapevine.dev-mypinata.cloud"},{"claim":"Endpoint returned 429 on GET and 405 on POST during probing","source_url":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreigorlw5bfctawuuzkdsh3ta47fxlsyfoem2fylnqy456fj6grkyae"}],"useCases":["Retrieving pay-gated IPFS content via x402 micropayment","Testing x402 payment flows on Base Sepolia testnet","Monetizing individual IPFS-pinned files behind a paywall"],"bestFor":["Developers testing x402 payment integrations on testnet","Gating access to specific IPFS content behind micropayments","Experimenting with pay-per-file decentralized storage access"],"notFor":["Production-grade content delivery (this uses a testnet token)","Bulk or high-throughput IPFS retrieval (rate limiting observed)","Discovering or searching IPFS content (serves a single CID)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:08.147Z"},"updatedAt":"2026-04-22T02:30:11.812Z"}}