{"id":"03dfb4ee-5695-4723-99a1-9f145a9c81b9","shortId":"Q96EVH","kind":"x402","title":"30-day premium subscription for CookBase recipe app: trending sort and premium filters via x402 payment.","tagline":"30-day premium subscription for CookBase recipe app: trending sort and premium filters via x402 payment.","description":"This x402 endpoint grants a 30-day premium entitlement on CookBase (hosted at folio-seven-swart.vercel.app), a curated recipe discovery app. The app lets users search, browse tags, and save favorites to build a personal cookbook. Free users have basic search; paying for this monthly entitlement unlocks premium filters and a \"trending\" / \"popular\" sort option for recipes.\n\nThe endpoint accepts a POST request and requires an X-PAYMENT header conforming to x402 version 1. Payment is 5 USDC (maxAmountRequired of 5,000,000 in 6-decimal USDC units) on the Base network, sent to address 0x9F02988adB650E55cc5EB5619C383fd223848bb5. The asset contract is the canonical Base USDC token (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The payment timeout is 300 seconds.\n\nDocumentation for this endpoint is sparse — there is no OpenAPI spec, no dedicated docs page, and no pricing page on the site. The endpoint is confirmed live (returns a proper 402 challenge). The app itself appears to be a demo or early-stage project by developer \"mattdesl,\" featuring a small set of curated recipes with tipping functionality.","tags":[],"capabilities":["x402-payment","subscription-entitlement","recipe-premium-filters","trending-sort","base-network-usdc","monthly-access"],"categories":["subscription","food-recipes"],"synonyms":["recipe subscription","premium recipe filters","trending recipes","CookBase premium","x402 subscription","recipe app entitlement","USDC subscription","recipe sorting"],"warnings":["No API documentation or OpenAPI spec available","No docs, pricing, or README pages found on the site (all return 404)","Response schema for a successful payment is unknown","App appears to be early-stage or a demo project with a small recipe catalog"],"endpointUrl":"https://folio-seven-swart.vercel.app/api/x402/entitlements/x402-monthly","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x9F02988adB650E55cc5EB5619C383fd223848bb5","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://folio-seven-swart.vercel.app/api/x402/entitlements/x402-monthly","description":"Unlock premium filters and trending sort for 30 days.","outputSchema":{"input":{"type":"http","method":"POST","discoverable":true}},"maxAmountRequired":"5000000","maxTimeoutSeconds":300}]},"qualityScore":"0.450","qualityRationale":"The endpoint is live and returns a well-formed x402 challenge with clear pricing (5 USDC on Base, 30-day entitlement). However, there is no OpenAPI spec, no documentation page, no response schema, and no example requests or responses. The app itself is small-scale with limited public 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'0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':137 '0x9f02988adb650e55cc5eb5619c383fd223848bb5':127 '1':105 '30':1,17,38 '300':142 '402':174 '5':108,112 '6':116 'CookBase premium' 'USDC subscription' 'accept':90 'address':126 'app':8,24,51,53,177 'appear':179 'asset':129 'base':122,134 'base-network-usdc' 'basic':70 'brows':57 'build':63 'canon':133 'challeng':175 'confirm':169 'conform':101 'contract':130 'cookbas':6,22,43 'cookbook':66 'curat':48,197 'day':2,18,39 'decim':117 'dedic':156 'demo':183 'develop':190 'discoveri':50 'doc':157 'document':144 'earli':186 'early-stag':185 'endpoint':35,89,147,167 'entitl':41,76 'favorit':61 'featur':192 'filter':13,29,79 'folio-seven-swart.vercel.app':46 'free':67 'function':201 'grant':36 'header':100 'host':44 'let':54 'live':170 'mattdesl':191 'maxamountrequir':110 'month':75 'monthly-access' 'network':123 'openapi':153 'option':85 'page':158,162 'pay':72 'payment':16,32,99,106,139 'person':65 'popular':83 'post':92 'premium':3,12,19,28,40,78 'premium recipe filters' 'price':161 'project':188 'proper':173 'recip':7,23,49,87,198 'recipe app entitlement' 'recipe sorting' 'recipe subscription' 'recipe-premium-filters' 'request':93 'requir':95 'return':171 'save':60 'search':56,71 'second':143 'sent':124 'set':195 'site':165 'small':194 'sort':10,26,84 'spars':149 'spec':154 'stage':187 'subscript':4,20 'subscription-entitlement' 'tag':58 'timeout':140 'tip':200 'token':136 'trend':9,25,82 'trending recipes' 'trending-sort' 'unit':119 'unlock':77 'usdc':109,118,135 'user':55,68 'version':104 'via':14,30 'x':98 'x-payment':97 'x402':15,31,34,103 'x402 subscription' 'x402-payment'","prices":[{"id":"0a704a66-128b-4ff2-b474-fe59286b7322","listingId":"03dfb4ee-5695-4723-99a1-9f145a9c81b9","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"5000000","chain":"base","payTo":"0x9F02988adB650E55cc5EB5619C383fd223848bb5","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x9F02988adB650E55cc5EB5619C383fd223848bb5","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://folio-seven-swart.vercel.app/api/x402/entitlements/x402-monthly","description":"Unlock premium filters and trending sort for 30 days.","outputSchema":{"input":{"type":"http","method":"POST","discoverable":true}},"maxAmountRequired":"5000000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:31:38.222Z"}],"sources":[{"listingId":"03dfb4ee-5695-4723-99a1-9f145a9c81b9","source":"x402_bazaar","sourceId":"https://folio-seven-swart.vercel.app/api/x402/entitlements/x402-monthly","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:31:38.222Z","lastSeenAt":"2026-07-06T04:02:32.441Z"}],"details":{"listingId":"03dfb4ee-5695-4723-99a1-9f145a9c81b9","quickStartSnippet":"curl -X POST https://folio-seven-swart.vercel.app/api/x402/entitlements/x402-monthly \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"POST","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge requiring 5,000,000 units of USDC on Base network","source_url":"https://folio-seven-swart.vercel.app/api/x402/entitlements/x402-monthly"},{"claim":"The app is a curated recipe discovery platform with search, tags, and favorites","source_url":"https://folio-seven-swart.vercel.app"},{"claim":"Premium subscription unlocks popular sorting and premium filters","source_url":"https://folio-seven-swart.vercel.app"},{"claim":"Payment is sent to 0x9F02988adB650E55cc5EB5619C383fd223848bb5 using USDC asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://folio-seven-swart.vercel.app/api/x402/entitlements/x402-monthly"}],"useCases":["Unlocking premium search filters on the CookBase recipe app for 30 days","Enabling popular/trending sort for recipe discovery","Agent-driven purchase of a monthly subscription via x402 protocol on Base"],"bestFor":["Users of the CookBase recipe app who want advanced filtering and sorting","Developers exploring x402 payment-gated subscription patterns","Agents that need to programmatically purchase access to premium content"],"notFor":["General-purpose recipe API access (this is an entitlement unlock, not a data API)","Users seeking free recipe search (basic search is already free on the app)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:06.151Z"},"updatedAt":"2026-07-06T04:02:32.441Z"}}