{"id":"eb288946-6e49-4be1-b5ba-268ab1466361","shortId":"LuLM2U","kind":"x402","title":"Pay-per-call meme generation endpoint via x402 micropayments.","tagline":"Pay-per-call meme generation endpoint via x402 micropayments.","description":"This endpoint at tools-agent-x402-production.up.railway.app/generate-meme provides an x402-gated meme generation service. It accepts POST requests and returns a 402 Payment Required challenge to unauthenticated callers, confirming it is live and using the x402 payment protocol. The service is hosted on Railway.\n\nVery little documentation is available. The crawl of the origin server returned no landing page, no OpenAPI spec, no docs, no pricing page, and no README. The x402 challenge was captured but contained an empty challenge body, meaning the specific payment parameters (price, token, network) could not be determined from the probe. The endpoint name \"generate-meme\" strongly suggests it generates meme images, likely from text prompts or image inputs, but the exact request schema and response format are unknown.\n\nDue to the lack of documentation, pricing details, request/response schemas, and examples, this listing is largely inferred from the endpoint path and protocol. Users should expect to discover the payment terms and API contract through direct interaction or by consulting the endpoint operator.","tags":[],"capabilities":["meme-generation","x402-payment","image-generation","pay-per-call"],"categories":["vision","creative"],"synonyms":["meme maker","meme creator","image meme generator","meme API","AI meme","text-to-meme","meme generation API"],"warnings":["x402 challenge body is empty — payment parameters (price, token, network) are unknown","No documentation, OpenAPI spec, or README available at the origin","Request and response schemas are entirely unknown","Pricing cannot be determined from available data","Root origin returns 404; no supplementary pages found"],"endpointUrl":"https://tools-agent-x402-production.up.railway.app/generate-meme","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808","amount":"250000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"},"payTo":"6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5","amount":"250000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}]},"qualityScore":"0.200","qualityRationale":"The endpoint is live (returns 402 on POST), but the x402 challenge body is empty, there is no documentation, no OpenAPI spec, no pricing information, and no request/response schema. Nearly everything is inferred from the URL path 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'402':42 'AI meme' 'accept':36 'api':178 'avail':69 'bodi':101 'call':4,14 'caller':48 'captur':95 'challeng':45,93,100 'confirm':49 'consult':185 'contain':97 'contract':179 'could':110 'crawl':71 'detail':153 'determin':113 'direct':181 'discov':173 'doc':84 'document':67,151 'due':146 'empti':99 'endpoint':7,17,22,118,165,187 'exact':138 'exampl':157 'expect':171 'format':143 'gate':31 'generat':6,16,33,121,126 'generate-mem':120 'host':62 'imag':128,134 'image meme generator' 'image-generation' 'infer':162 'input':135 'interact':182 'lack':149 'land':78 'larg':161 'like':129 'list':159 'littl':66 'live':52 'mean':102 'meme':5,15,32,122,127 'meme API' 'meme creator' 'meme generation API' 'meme maker' 'meme-generation' 'micropay':10,20 'name':119 'network':109 'openapi':81 'oper':188 'origin':74 'page':79,87 'paramet':106 'path':166 'pay':2,12 'pay-per-cal':1,11 'pay-per-call' 'payment':43,57,105,175 'per':3,13 'post':37 'price':86,107,152 'probe':116 'prompt':132 'protocol':58,168 'provid':27 'railway':64 'readm':90 'request':38,139 'request/response':154 'requir':44 'respons':142 'return':40,76 'schema':140,155 'server':75 'servic':34,60 'spec':82 'specif':104 'strong':123 'suggest':124 'term':176 'text':131 'text-to-meme' 'token':108 'tools-agent-x402-production.up.railway.app':25 'tools-agent-x402-production.up.railway.app/generate-meme':24 'unauthent':47 'unknown':145 'use':54 'user':169 'via':8,18 'x402':9,19,30,56,92 'x402-gated':29 'x402-payment'","prices":[{"id":"b9e60f0f-545a-44d8-8ea6-e122721e034c","listingId":"eb288946-6e49-4be1-b5ba-268ab1466361","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808","amount":"250000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"},"payTo":"6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5","amount":"250000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:33.461Z"}],"sources":[{"listingId":"eb288946-6e49-4be1-b5ba-268ab1466361","source":"x402_bazaar","sourceId":"https://tools-agent-x402-production.up.railway.app/generate-meme","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:33.461Z","lastSeenAt":"2026-04-22T04:02:48.347Z"}],"details":{"listingId":"eb288946-6e49-4be1-b5ba-268ab1466361","quickStartSnippet":"curl -X POST https://tools-agent-x402-production.up.railway.app/generate-meme \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"prompt\": \"distracted boyfriend meme about coding vs sleeping\"}'","exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":["Generating memes on demand via an AI agent","Integrating meme creation into chatbots or social media tools","Paying per meme generated without subscriptions"],"bestFor":["AI agents that need to generate memes programmatically","Developers experimenting with x402 micropayment-gated APIs","Quick one-off meme generation without account setup"],"notFor":["Production workloads requiring documented SLAs and schemas","Bulk or batch image generation at scale"],"kindDetails":{},"updatedAt":"2026-04-22T00:53:15.158Z"}}