{"id":"a9c53841-575e-4897-9065-6b2b02c7e575","shortId":"sypmFV","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. The URL references a specific CID (bafkreieqfxffknriafj5ueopitqtmh7dw5sqhrp5zbj2mj6smzjlies4ce) hosted on a Pinata-based gateway (grapevine.dev-mypinata.cloud). The listed price is 0.01 USDC on the Base Sepolia testnet, indicating this is likely a development or demonstration deployment rather than a production service.\n\nThe probe was unable to capture a standard 402 payment challenge: a POST request returned 405 (Method Not Allowed) and a GET request returned 429 (Too Many Requests / rate-limited). The root domain returns a 400 error with \"No CID provided,\" suggesting the gateway expects CID-based paths. No documentation, OpenAPI schema, or agents.txt was found. All crawled pages returned generic error messages.\n\nGiven the extremely sparse information available — no schema, no docs, no confirmed 402 challenge, and a testnet-only price — this listing should be treated as a stub. The endpoint may be functional under the right conditions (e.g., with proper x402 payment headers on a GET request when not rate-limited), but this cannot be confirmed from the probe data.","tags":[],"capabilities":["ipfs-content-retrieval","x402-payment-gating","pinata-gateway","base-sepolia-testnet","usdc-micropayment"],"categories":["storage"],"synonyms":["IPFS gateway","Pinata CID access","paid IPFS content","x402 IPFS","decentralized storage paywall","content-addressed storage"],"warnings":["No 402 payment challenge was captured during probing; endpoint liveness is unconfirmed","GET request returned 429 (rate limited), POST returned 405 (method not allowed)","Testnet only (Base Sepolia) — not suitable for production use","No documentation, OpenAPI schema, or usage examples available","All crawled pages returned error messages; no useful docs found"],"endpointUrl":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreieqfxffknriafj5ueopitqtmh7dw5sqhrp5zbj2mj6smzjlies4ce","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/bafkreieqfxffknriafj5ueopitqtmh7dw5sqhrp5zbj2mj6smzjlies4ce","description":"0.01 USDC on base-sepolia","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"10000","maxTimeoutSeconds":60}]},"qualityScore":"0.200","qualityRationale":"No 402 challenge was captured (GET returned 429, POST returned 405). No documentation, no schema, no examples exist. The endpoint is on a testnet with minimal descriptive metadata. This is effectively a stub listing with high uncertainty about current 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'400':118 '402':90,159 '405':97 '429':106 'IPFS gateway' 'Pinata CID access' 'access':4,19 'agents.txt':137 'allow':100 'avail':152 'bafkreieqfxffknriafj5ueopitqtmh7dw5sqhrp5zbj2mj6smzjlies4ce':48 'base':14,29,54,65,130 'base-sepolia':13,28 'base-sepolia-testnet' 'behind':37 'cannot':201 'captur':87 'challeng':41,92,160 'cid':47,122,129 'cid-bas':128 'condit':183 'confirm':158,203 'content':6,21,35 'content-addressed storage' 'crawl':141 'data':207 'decentralized storage paywall' 'demonstr':75 'deploy':76 'develop':73 'doc':156 'document':133 'domain':115 'e.g':184 'endpoint':32,176 'error':119,145 'expect':127 'extrem':149 'found':139 'function':179 'gate':36 'gateway':12,27,55,126 'generic':144 'get':103,192 'given':147 'grapevine.dev-mypinata.cloud':56 'header':189 'host':49 'indic':68 'inform':151 'ipf':5,20,34 'ipfs-content-retrieval' 'like':71 'limit':112,198 'list':58,168 'mani':108 'may':177 'messag':146 'method':98 'openapi':134 'page':142 'paid IPFS content' 'path':131 'pay':2,17 'pay-per-access':1,16 'payment':40,91,188 'per':3,18 'pinata':11,26,53 'pinata-bas':52 'pinata-gateway' 'post':94 'price':59,166 'probe':83,206 'product':80 'proper':186 'provid':123 'rate':111,197 'rate-limit':110,196 'rather':77 'refer':44 'request':95,104,109,193 'retriev':7,22 'return':96,105,116,143 'right':182 'root':114 'schema':135,154 'sepolia':15,30,66 'serv':33 'servic':81 'spars':150 'specif':46 'standard':89 'stub':174 'suggest':124 'testnet':67,164 'testnet-on':163 'treat':171 'unabl':85 'url':43 'usdc':62 'usdc-micropayment' 'via':8,23 'x402':9,24,39,187 'x402 IPFS' 'x402-payment-gating'","prices":[{"id":"7b1a7891-e4b6-4804-b943-b613a03afa16","listingId":"a9c53841-575e-4897-9065-6b2b02c7e575","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/bafkreieqfxffknriafj5ueopitqtmh7dw5sqhrp5zbj2mj6smzjlies4ce","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":"2026-04-18T18:31:44.812Z"}],"sources":[{"listingId":"a9c53841-575e-4897-9065-6b2b02c7e575","source":"x402_bazaar","sourceId":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreieqfxffknriafj5ueopitqtmh7dw5sqhrp5zbj2mj6smzjlies4ce","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:31:44.812Z","lastSeenAt":"2026-04-22T02:30:12.557Z"}],"details":{"listingId":"a9c53841-575e-4897-9065-6b2b02c7e575","quickStartSnippet":"curl -i https://grapevine.dev-mypinata.cloud/x402/cid/bafkreieqfxffknriafj5ueopitqtmh7dw5sqhrp5zbj2mj6smzjlies4ce","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Root domain returns 'No CID provided' error","source_url":"https://grapevine.dev-mypinata.cloud"},{"claim":"POST returned 405 and GET returned 429 during probe","source_url":"https://grapevine.dev-mypinata.cloud/x402/cid/bafkreieqfxffknriafj5ueopitqtmh7dw5sqhrp5zbj2mj6smzjlies4ce"}],"useCases":["Gating access to IPFS-pinned content behind a micropayment","Testing x402 payment flows on Base Sepolia testnet","Monetizing individual files stored on IPFS via Pinata"],"bestFor":["Developers experimenting with x402 payment protocol on testnet","Prototyping pay-per-file IPFS content delivery","Testing micropayment integrations with USDC on Base Sepolia"],"notFor":["Production content delivery (testnet only)","Bulk or high-throughput IPFS retrieval","Users needing documented APIs or schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:03.74Z"},"updatedAt":"2026-04-22T02:30:12.557Z"}}