{"id":"014403fb-2cce-4f20-9d36-ab04478d7ec9","shortId":"yU4vR7","kind":"x402","title":"Pay-per-query contextual search across crypto, company, and insurance verticals via x402 on Base.","tagline":"Pay-per-query contextual search across crypto, company, and insurance verticals via x402 on Base.","description":"Kirha's /search endpoint is an x402-enabled API that lets agents and developers ask natural-language questions and receive structured context drawn from curated \"S-tier\" data providers. The endpoint accepts a POST with a search query and a vertical identifier (one of \"crypto\", \"company\", or \"insurance\") and returns a JSON response containing a summary, raw data, and planning objects.\n\nPayment is handled via the x402 protocol on the Base network using USDC (contract 0x8335…2913). The maximum cost per request is 0.10 USDC (100,000 base units at 6 decimals), making it a micro-payment-friendly, pay-per-data-point service. The endpoint advertises a maximum timeout of 120 seconds, suggesting that queries may involve real-time aggregation or LLM-based summarization behind the scenes.\n\nDocumentation beyond the x402 challenge itself is essentially absent — the provider's root domain, /docs, /api, /pricing, and /README all return 404. The only supplementary reference is the provider list at https://app.kirha.com/providers, mentioned in the challenge description. Because of this, details about rate limits, supported query complexity, response size, and the exact data sources behind each vertical are unknown and must be discovered experimentally.","tags":[],"capabilities":["natural-language-search","crypto-data","company-data","insurance-data","x402-payment","usdc-base","pay-per-query","structured-context"],"categories":["search","llm","finance"],"synonyms":["kirha search","contextual search API","crypto search","company lookup","insurance data search","x402 search","pay-per-query search","agent search endpoint"],"warnings":["No documentation available: /docs, /api, /pricing, and /README all return 404.","Response schema fields 'raw_data' and 'planning' are typed as generic objects with no further specification.","The example response JSON is inferred from the output schema and may not reflect actual response structure.","No information available about rate limits, uptime SLA, or data freshness guarantees.","The provider list at https://app.kirha.com/providers was not crawled; actual data sources are unknown."],"endpointUrl":"http://x402.kirha.com/search","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x46c52aA3823488EfD7F7e0dAB066976419292e6e","scheme":"exact","network":"base","mimeType":"application/json","resource":"http://x402.kirha.com/search","description":"Ask anything. Get Context from S-tier providers > https://app.kirha.com/providers > Payment at the granularity of the data point.","outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"query":{"type":"string","required":true,"description":"The search query"},"verticalId":{"enum":["crypto","company","insurance"],"type":"string","required":true}}},"output":{"id":{"type":"string"},"summary":{"type":"string"},"planning":{"type":"object"},"raw_data":{"type":"object"}}},"maxAmountRequired":"100000","maxTimeoutSeconds":120}]},"qualityScore":"0.450","qualityRationale":"The x402 challenge is live and provides a clear input/output schema with three verticals and USDC pricing on Base. However, there is zero external documentation — no docs page, no OpenAPI spec, no README, and no crawlable content beyond the challenge itself. The response schema fields (raw_data, planning) are opaque objects with no further specification. Score reflects a working endpoint with useful schema but very sparse 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'/docs':181 '/pricing':183 '/providers,':200 '/readme':185 '/search':35 '0.10':119 '000':122 '0x8335':111 '100':121 '120':148 '2913':112 '404':188 '6':126 'absent':175 'accept':67 'across':7,23 'advertis':143 'agent':45 'agent search endpoint' 'aggreg':158 'api':42 'app.kirha.com':199 'app.kirha.com/providers,':198 'ask':48 'base':16,32,106,123,162 'behind':164,223 'beyond':168 'challeng':171,204 'compani':9,25,81 'company lookup' 'company-data' 'complex':215 'contain':89 'context':56 'contextu':5,21 'contextual search API' 'contract':110 'cost':115 'crypto':8,24,80 'crypto search' 'crypto-data' 'curat':59 'data':63,93,138,221 'decim':127 'descript':205 'detail':209 'develop':47 'discov':231 'document':167 'domain':180 'drawn':57 'enabl':41 'endpoint':36,66,142 'essenti':174 'exact':220 'experiment':232 'friend':134 'handl':99 'identifi':77 'insur':11,27,83 'insurance data search' 'insurance-data' 'involv':154 'json':87 'kirha':33 'kirha search' 'languag':51 'let':44 'limit':212 'list':196 'llm':161 'llm-base':160 'make':128 'maximum':114,145 'may':153 'mention':201 'micro':132 'micro-payment-friend':131 'must':229 'natur':50 'natural-languag':49 'natural-language-search' 'network':107 'object':96 'one':78 'pay':2,18,136 'pay-per-data-point':135 'pay-per-queri':1,17 'pay-per-query' 'pay-per-query search' 'payment':97,133 'per':3,19,116,137 'plan':95 'point':139 'post':69 'protocol':103 'provid':64,177,195 'queri':4,20,73,152,214 'question':52 'rate':211 'raw':92 'real':156 'real-tim':155 'receiv':54 'refer':192 'request':117 'respons':88,216 'return':85,187 'root':179 's-tier':60 'scene':166 'search':6,22,72 'second':149 'servic':140 'size':217 'sourc':222 'structur':55 'structured-context' 'suggest':150 'summar':163 'summari':91 'supplementari':191 'support':213 'tier':62 'time':157 'timeout':146 'unit':124 'unknown':227 'usdc':109,120 'usdc-base' 'use':108 'vertic':12,28,76,225 'via':13,29,100 'x402':14,30,40,102,170 'x402 search' 'x402-enabled':39 'x402-payment'","prices":[{"id":"50b56171-9ce3-4ffc-97c7-f09b3c23db6a","listingId":"014403fb-2cce-4f20-9d36-ab04478d7ec9","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"100000","chain":"base","payTo":"0x46c52aA3823488EfD7F7e0dAB066976419292e6e","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x46c52aA3823488EfD7F7e0dAB066976419292e6e","scheme":"exact","network":"base","mimeType":"application/json","resource":"http://x402.kirha.com/search","description":"Ask anything. Get Context from S-tier providers > https://app.kirha.com/providers > Payment at the granularity of the data point.","outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"query":{"type":"string","required":true,"description":"The search query"},"verticalId":{"enum":["crypto","company","insurance"],"type":"string","required":true}}},"output":{"id":{"type":"string"},"summary":{"type":"string"},"planning":{"type":"object"},"raw_data":{"type":"object"}}},"maxAmountRequired":"100000","maxTimeoutSeconds":120}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":120},"createdAt":"2026-04-18T18:32:44.860Z"}],"sources":[{"listingId":"014403fb-2cce-4f20-9d36-ab04478d7ec9","source":"x402_bazaar","sourceId":"http://x402.kirha.com/search","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:44.860Z","lastSeenAt":"2026-04-22T12:02:52.132Z"}],"details":{"listingId":"014403fb-2cce-4f20-9d36-ab04478d7ec9","quickStartSnippet":"curl -X POST http://x402.kirha.com/search \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -d '{\"query\": \"What is the current market cap of Ethereum?\", \"verticalId\": \"crypto\"}'","exampleRequest":{"query":"What is the current market cap of Ethereum?","verticalId":"crypto"},"exampleResponse":{"id":"abc123-def456","summary":"Ethereum (ETH) currently has a market capitalization of approximately $XXX billion, making it the second-largest cryptocurrency by market cap.","planning":{"steps_taken":[],"providers_queried":[]},"raw_data":{"symbol":"ETH","sources":[],"market_cap_usd":0}},"schema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"query":{"type":"string","required":true,"description":"The search query"},"verticalId":{"enum":["crypto","company","insurance"],"type":"string","required":true}}},"output":{"id":{"type":"string"},"summary":{"type":"string"},"planning":{"type":"object"},"raw_data":{"type":"object"}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint accepts POST requests with query and verticalId fields, supporting verticals crypto, company, and insurance.","source_url":"http://x402.kirha.com/search"},{"claim":"Maximum cost per request is 100,000 base units of USDC on Base (0.10 USD).","source_url":"http://x402.kirha.com/search"},{"claim":"Payment is sent to address 0x46c52aA3823488EfD7F7e0dAB066976419292e6e on the Base network.","source_url":"http://x402.kirha.com/search"},{"claim":"The endpoint description references S-tier providers listed at https://app.kirha.com/providers.","source_url":"http://x402.kirha.com/search"}],"useCases":["An AI agent researching a cryptocurrency project pays per query to get a structured summary and raw data.","A financial analyst tool queries company-vertical context to enrich due-diligence reports.","An insurance comparison agent fetches structured context about policies or carriers on demand.","A chatbot integrates Kirha search to answer user questions about crypto, companies, or insurance with sourced data."],"bestFor":["AI agents that need on-demand, pay-per-call contextual search without subscriptions","Developers building crypto, company, or insurance research tools","Workflows requiring structured summaries plus raw data from curated providers"],"notFor":["High-volume bulk data ingestion (pay-per-query at $0.10 adds up quickly)","Use cases outside the three supported verticals (crypto, company, insurance)","Users who need detailed API documentation or SLA guarantees before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:58.823Z"},"updatedAt":"2026-04-22T12:02:52.132Z"}}