{"id":"1c8cdf5a-fec7-466c-84f3-11083e19e992","shortId":"s8DtKd","kind":"x402","title":"Micropaid playbook on building image resize/watermark microservices, unlocked via x402 payment.","tagline":"Micropaid playbook on building image resize/watermark microservices, unlocked via x402 payment.","description":"This x402 endpoint serves the \"Image Microservice Playbook\" — a paid content item hosted on the Micropaid Ideas store by DevRels. When a valid x402 payment is submitted, the endpoint returns guidance on how to resize, watermark, and deliver images at scale. It is one of several micropaid idea documents available on the platform, each unlocked with a small USDC payment on Base Sepolia.\n\nThe endpoint accepts HTTP POST requests and requires an X-PAYMENT header conforming to x402 version 1. The cost to unlock is 0.004 USDC (4000 units of the USDC token at contract 0x036CbD53842c5426634e7929541eC2318f3dCF7e on Base Sepolia). Payment is made to address 0x4b3422e72F25578e32aC1DeB1C7954BE403bF5d3 using the \"exact\" payment scheme. The maximum timeout for the payment flow is 300 seconds.\n\nNo OpenAPI schema, detailed documentation, or example responses are available. The crawled site shows only a brief landing page listing three micropaid ideas. The /docs, /api, /pricing, and /README paths all return 404. Because the actual response payload is unknown, consumers should expect a JSON document (mimeType: application/json) containing written content about image microservice architecture, but the exact structure cannot be confirmed from available materials.","tags":[],"capabilities":["x402-payment","micropayment-content","base-sepolia","usdc-payment","http-post"],"categories":["content","knowledge"],"synonyms":["image microservice guide","image processing playbook","resize watermark tutorial","micropaid technical content","paid developer guide","image pipeline architecture"],"warnings":["No documentation available — /docs, /api, /pricing, /README all return 404","Response schema and payload structure are unknown; only mimeType application/json is specified","Runs on Base Sepolia testnet, not mainnet — USDC tokens have no real monetary value","This endpoint delivers written content (a playbook), not an image processing service despite the name suggesting otherwise"],"endpointUrl":"https://x402-prompt-store.vercel.app/api/ideas/image-microservice","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x4b3422e72F25578e32aC1DeB1C7954BE403bF5d3","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://x402-prompt-store.vercel.app/api/ideas/image-microservice","description":"Resize, watermark, deliver at scale.","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"4000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The endpoint is live (402 challenge captured) and the x402 payment metadata is complete, but there is no OpenAPI schema, no documentation, no example request/response, and the actual content payload is unknown. Most fields are inferred from the brief landing page listing and the x402 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'/docs':168 '/pricing':170 '/readme':172 '0.004':109 '0x036cbd53842c5426634e7929541ec2318f3dcf7e':119 '0x4b3422e72f25578e32ac1deb1c7954be403bf5d3':128 '1':103 '300':142 '4000':111 '404':176 'accept':88 'actual':179 'address':127 'application/json':191 'architectur':198 'avail':72,153,207 'base':84,121 'base-sepolia' 'brief':160 'build':4,15 'cannot':203 'confirm':205 'conform':99 'consum':184 'contain':192 'content':33,194 'contract':118 'cost':105 'crawl':155 'deliv':60 'detail':147 'devrel':42 'document':71,148,189 'endpoint':25,51,87 'exact':131,201 'exampl':150 'expect':186 'flow':140 'guidanc':53 'header':98 'host':35 'http':89 'http-post' 'idea':39,70,166 'imag':5,16,28,61,196 'image microservice guide' 'image pipeline architecture' 'image processing playbook' 'item':34 'json':188 'land':161 'list':163 'made':125 'materi':208 'maximum':135 'micropaid':1,12,38,69,165 'micropaid technical content' 'micropayment-content' 'microservic':7,18,29,197 'mimetyp':190 'one':66 'openapi':145 'page':162 'paid':32 'paid developer guide' 'path':173 'payload':181 'payment':11,22,47,82,97,123,132,139 'platform':75 'playbook':2,13,30 'post':90 'request':91 'requir':93 'resiz':57 'resize watermark tutorial' 'resize/watermark':6,17 'respons':151,180 'return':52,175 'scale':63 'schema':146 'scheme':133 'second':143 'sepolia':85,122 'serv':26 'sever':68 'show':157 'site':156 'small':80 'store':40 'structur':202 'submit':49 'three':164 'timeout':136 'token':116 'unit':112 'unknown':183 'unlock':8,19,77,107 'usdc':81,110,115 'usdc-payment' 'use':129 'valid':45 'version':102 'via':9,20 'watermark':58 'written':193 'x':96 'x-payment':95 'x402':10,21,24,46,101 'x402-payment'","prices":[{"id":"53bf03cb-6f82-48b7-adcd-ab1cdb871bbe","listingId":"1c8cdf5a-fec7-466c-84f3-11083e19e992","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"4000","chain":"base-sepolia","payTo":"0x4b3422e72F25578e32aC1DeB1C7954BE403bF5d3","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x4b3422e72F25578e32aC1DeB1C7954BE403bF5d3","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://x402-prompt-store.vercel.app/api/ideas/image-microservice","description":"Resize, watermark, deliver at scale.","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"4000","maxTimeoutSeconds":300}],"asset_contract":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","max_timeout_seconds":300},"createdAt":"2026-04-18T18:30:48.419Z"}],"sources":[{"listingId":"1c8cdf5a-fec7-466c-84f3-11083e19e992","source":"x402_bazaar","sourceId":"https://x402-prompt-store.vercel.app/api/ideas/image-microservice","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:30:48.419Z","lastSeenAt":"2026-04-22T02:30:10.093Z"}],"details":{"listingId":"1c8cdf5a-fec7-466c-84f3-11083e19e992","quickStartSnippet":"curl -X POST https://x402-prompt-store.vercel.app/api/ideas/image-microservice \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge requiring X-PAYMENT header with x402 version 1","source_url":"https://x402-prompt-store.vercel.app/api/ideas/image-microservice"},{"claim":"Cost is 0.004 USDC on Base Sepolia, paid to 0x4b3422e72F25578e32aC1DeB1C7954BE403bF5d3","source_url":"https://x402-prompt-store.vercel.app/api/ideas/image-microservice"},{"claim":"The listing is described as 'Image Microservice Playbook — Resize, watermark, deliver at scale' and costs $0.004 in USDC","source_url":"https://x402-prompt-store.vercel.app"},{"claim":"The /docs, /pricing, /README, and /api paths all return 404","source_url":"https://x402-prompt-store.vercel.app/docs"}],"useCases":["Purchasing a concise playbook on building image resize and watermark microservices","Agents acquiring technical knowledge documents via micropayments","Programmatic access to paid developer content without subscriptions"],"bestFor":["Developers seeking quick architectural guidance on image processing pipelines","AI agents that need to purchase and consume technical reference material on demand","Teams evaluating x402 micropayment flows for content delivery"],"notFor":["Actually resizing or watermarking images — this is a content/knowledge endpoint, not an image processing API","Users needing free or open-access documentation","Production mainnet payments — this runs on Base Sepolia testnet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:21.987Z"},"updatedAt":"2026-04-22T02:30:10.093Z"}}