{"id":"7cc2cc89-bfe5-4a26-bf2d-2fb7c9316d2d","shortId":"JH4phk","kind":"x402","title":"Exa search agent behind x402 paywall — currently offline (502).","tagline":"Exa search agent behind x402 paywall — currently offline (502).","description":"This endpoint is listed as an \"exa search\" agent accessible via the x402 payment protocol at a staging API domain (api-staging.intra-tls2.dctx.link). Based on the name, it likely wraps the Exa search API, which provides neural/semantic web search capabilities. However, at the time of probing, the entire host returned HTTP 502 (Bad Gateway) on every path tested, including the endpoint itself, the root, /docs, /api, /pricing, and /README. Cloudflare is fronting the domain but the origin server is down.\n\nNo OpenAPI schema, no x402 payment challenge, no documentation, and no pricing information could be retrieved. The endpoint ID embedded in the URL (qrn:agent:68db407a7fbdb84f70af1288) suggests a platform that dynamically provisions agent endpoints, but no further details are available. Because this is a staging domain, it may be intentionally offline or undergoing maintenance.\n\nGiven the complete lack of live responses and documentation, this listing is effectively a stub. Users should check back later or contact the provider for status updates.","tags":[],"capabilities":["web-search","exa-search","x402-payment"],"categories":["search"],"synonyms":["exa search","semantic search","neural search","web search agent","exa api","x402 search"],"warnings":["Endpoint returns HTTP 502 (Bad Gateway) on both POST and GET — host origin is down","This is a staging domain (api-staging), not a production endpoint","No x402 payment challenge was returned — cannot confirm x402 functionality","No documentation, schema, or pricing information available","All five crawled pages returned Cloudflare 502 errors"],"endpointUrl":"https://api-staging.intra-tls2.dctx.link/x402/agent/qrn:agent:68db407a7fbdb84f70af1288","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x836534FBf04785FC6e4859E0279706436895c717","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-staging.intra-tls2.dctx.link/x402/agent/qrn:agent:68db407a7fbdb84f70af1288","description":"exa search | Powered by Questflow","outputSchema":{"input":{"type":"http","method":"POST","bodyFields":{"input":{"type":"string","required":true,"description":"Your message to the agent"}},"discoverable":true},"output":{"response":{"type":"string","required":true,"description":"Response from the agent"}}},"maxAmountRequired":"100000","maxTimeoutSeconds":1200}]},"qualityScore":"0.100","qualityRationale":"The endpoint returns 502 on all methods and all paths. No schema, no docs, no x402 challenge, and no pricing were retrievable. The listing title ('exa search') is the only substantive information available. This is a non-functional stub on a staging 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'/docs':81 '/pricing':83 '/readme':85 '502':9,18,68 '68db407a7fbdb84f70af1288':122 'access':28 'agent':3,12,27,121,129 'api':37,50 'api-staging.intra-tls2.dctx.link':39 'avail':136 'back':169 'bad':69 'base':40 'behind':4,13 'capabl':56 'challeng':103 'check':168 'cloudflar':86 'complet':153 'contact':172 'could':110 'current':7,16 'detail':134 'document':105,159 'domain':38,90,142 'dynam':127 'effect':163 'embed':116 'endpoint':20,77,114,130 'entir':64 'everi':72 'exa':1,10,25,48 'exa api' 'exa search' 'exa-search' 'front':88 'gateway':70 'given':151 'host':65 'howev':57 'http':67 'id':115 'includ':75 'inform':109 'intent':146 'lack':154 'later':170 'like':45 'list':22,161 'live':156 'mainten':150 'may':144 'name':43 'neural search' 'neural/semantic':53 'offlin':8,17,147 'openapi':98 'origin':93 'path':73 'payment':32,102 'paywal':6,15 'platform':125 'price':108 'probe':62 'protocol':33 'provid':52,174 'provis':128 'qrn':120 'respons':157 'retriev':112 'return':66 'root':80 'schema':99 'search':2,11,26,49,55 'semantic search' 'server':94 'stage':36,141 'status':176 'stub':165 'suggest':123 'test':74 'time':60 'undergo':149 'updat':177 'url':119 'user':166 'via':29 'web':54 'web search agent' 'web-search' 'wrap':46 'x402':5,14,31,101 'x402 search' 'x402-payment'","prices":[{"id":"57bdb938-6229-4aa8-b556-174b12faee4b","listingId":"7cc2cc89-bfe5-4a26-bf2d-2fb7c9316d2d","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"100000","chain":"base-sepolia","payTo":"0x836534FBf04785FC6e4859E0279706436895c717","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x836534FBf04785FC6e4859E0279706436895c717","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-staging.intra-tls2.dctx.link/x402/agent/qrn:agent:68db407a7fbdb84f70af1288","description":"exa search | Powered by Questflow","outputSchema":{"input":{"type":"http","method":"POST","bodyFields":{"input":{"type":"string","required":true,"description":"Your message to the agent"}},"discoverable":true},"output":{"response":{"type":"string","required":true,"description":"Response from the agent"}}},"maxAmountRequired":"100000","maxTimeoutSeconds":1200}],"asset_contract":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","max_timeout_seconds":1200},"createdAt":"2026-04-18T18:31:19.709Z"}],"sources":[{"listingId":"7cc2cc89-bfe5-4a26-bf2d-2fb7c9316d2d","source":"x402_bazaar","sourceId":"https://api-staging.intra-tls2.dctx.link/x402/agent/qrn:agent:68db407a7fbdb84f70af1288","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:31:19.709Z","lastSeenAt":"2026-04-22T02:30:11.417Z"}],"details":{"listingId":"7cc2cc89-bfe5-4a26-bf2d-2fb7c9316d2d","quickStartSnippet":"# Endpoint is currently returning 502. When live, expect:\ncurl -X POST https://api-staging.intra-tls2.dctx.link/x402/agent/qrn:agent:68db407a7fbdb84f70af1288 \\\n  -H 'Content-Type: application/json' \\\n  -d '{\"query\": \"your search query\"}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"POST","bodyFields":{"input":{"type":"string","required":true,"description":"Your message to the agent"}},"discoverable":true},"output":{"response":{"type":"string","required":true,"description":"Response from the agent"}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns HTTP 502 on POST and GET attempts","source_url":"https://api-staging.intra-tls2.dctx.link"},{"claim":"Cloudflare reports a bad gateway error for the host","source_url":"https://api-staging.intra-tls2.dctx.link"}],"useCases":["Performing semantic web searches via an x402-payable agent","Integrating Exa-style neural search into agent workflows","Pay-per-query web search for autonomous agents"],"bestFor":["Agents needing pay-per-call web search without API key management","x402-compatible autonomous workflows requiring web search"],"notFor":["Production workloads — this is a staging endpoint","Users needing reliable, always-on search access right now"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:11.424Z"},"updatedAt":"2026-04-22T02:30:11.417Z"}}