{"id":"287c1c4f-f3ff-46a6-b779-46cf7d3abe55","url":"https://api.kadec0.xyz/v1/serp-multi?engines=brave%2Cyahoo%2Cyandex&q=best+vector+database+2026","method":"GET","fingerprint":"c0ec6f0eab564dbc0e78d7191f6f8edc8836d0244008b53dd2a09d8a2b3521cb","name":"Multi-Engine Web Search","description":"Multi-engine metasearch. One query fanned out across 2-3 search engines (Brave, Yahoo, Yandex) with results deduplicated by URL and merged by reciprocal-rank fusion — consensus ranking across engines instead of one engine's bias, with per-engine rank attribution on every result.","category":"search","docs_url":null,"advertised_price_usd":"0.050000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","scheme":"exact","networks":["eip155:8453"],"pay_to":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA","input_schema":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["q","engines"],"properties":{"q":{"type":"string","description":"search query"},"mode":{"enum":["web","news"],"type":"string","default":"web"},"region":{"type":"string","default":"us-en","description":"locale, e.g. us-en, uk-en, de-de"},"engines":{"type":"string","description":"comma list of 2-3 engines: yahoo, yandex (web mode). news mode has a single live engine (bing), so multi-engine is web-only"},"timelimit":{"enum":["d","w","m","y"],"type":"string","description":"restrict to past day/week/month/year"},"safesearch":{"enum":["on","moderate","off"],"type":"string","default":"moderate"},"num_results":{"type":"string","default":"10","description":"max results per engine, cap 25"}}}},"additionalProperties":false},"output_schema":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}},"schema_completeness":0,"status":"live","first_seen_at":"2026-08-25 10:40:11.400249+00","last_seen_at":"2026-08-25 10:40:11.032+00","last_success_at":"2026-10-22 12:12:08.433+00","dead_since":null,"probe_backoff_tier":0,"next_probe_at":"2026-10-22 12:17:08.433+00","search_tsv":"'-3':16 '2':15 'across':14,36 'attribut':49 'bias':43 'brave':19 'consensus':34 'dedupl':24 'engin':3,8,18,37,41,47 'everi':51 'fan':12 'fusion':33 'instead':38 'merg':28 'metasearch':9 'multi':2,7 'multi-engin':1,6 'one':10,40 'per':46 'per-engin':45 'queri':11 'rank':32,35,48 'reciproc':31 'reciprocal-rank':30 'result':23,52 'search':5,17,53 'url':26 'web':4 'yahoo':20 'yandex':21","catalog_number":"16364","x402_version":2,"resource_url":"https://api.kadec0.xyz/v1/serp-multi","resource_description":"Multi-engine web search (metasearch). One search query fanned out across 2-3 search engines (Brave, Yahoo, Yandex) with results deduplicated by URL and merged by reciprocal-rank fusion: consensus ranking across engines instead of one engine's bias, with per-engine rank attribution on every result.","bazaar_extension":{"info":{"input":{"type":"http","method":"GET","queryParams":{"q":"best vector database 2026","engines":"yahoo,yandex"}},"output":{"type":"json","example":{"count":2,"items":[{"type":"serp_multi","query":"best vector database 2026","engines":[{"engine":"yahoo","resultCount":10},{"engine":"yandex","resultCount":10}],"mergedCount":14},{"url":"https://example.com/vectordb","rank":1,"type":"search_result","title":"Vector DB Comparison","engines":["yahoo","yandex"],"snippet":"A comparison of...","engineRanks":{"yahoo":1,"yandex":3}}]}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["q","engines"],"properties":{"q":{"type":"string","description":"search query"},"mode":{"enum":["web","news"],"type":"string","default":"web"},"region":{"type":"string","default":"us-en","description":"locale, e.g. us-en, uk-en, de-de"},"engines":{"type":"string","description":"comma list of 2-3 engines: yahoo, yandex (web mode). news mode has a single live engine (bing), so multi-engine is web-only"},"timelimit":{"enum":["d","w","m","y"],"type":"string","description":"restrict to past day/week/month/year"},"safesearch":{"enum":["on","moderate","off"],"type":"string","default":"moderate"},"num_results":{"type":"string","default":"10","description":"max results per engine, cap 25"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}}},"accepted_requirements":[{"raw":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA","amount":"50000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA","scheme":"exact","network":"eip155:8453","amountAtomic":"50000"}],"bazaar_compatible":true,"bazaar_validated_at":"2026-10-22 12:12:08.433+00","bazaar_validation_error":null,"window":"24h","probes_n":1,"handshake_uptime":1,"settle_success_rate":0,"valid_result_rate":null,"latency_p50":4551,"latency_p90":4551,"price_drift_pct":0,"score":0.4,"computed_at":"2026-10-22 12:12:33.345+00","source_metadata":[{"raw":{"url":"https://api.kadec0.xyz/v1/serp-multi?engines=brave%2Cyahoo%2Cyandex&q=best+vector+database+2026","name":"Multi-Engine Web Search","method":"GET","source":"bazaar:api.cdp.coinbase.com","fingerprint":"c0ec6f0eab564dbc0e78d7191f6f8edc8836d0244008b53dd2a09d8a2b3521cb","inputSchema":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["q","engines"],"properties":{"q":{"type":"string","description":"search query"},"mode":{"enum":["web","news"],"type":"string","default":"web"},"region":{"type":"string","default":"us-en","description":"locale, e.g. us-en, uk-en, de-de"},"engines":{"type":"string","description":"comma list of 2-3 engines: brave, yahoo, yandex (web); bing, yahoo (news)"},"timelimit":{"enum":["d","w","m","y"],"type":"string","description":"restrict to past day/week/month/year"},"safesearch":{"enum":["on","moderate","off"],"type":"string","default":"moderate"},"num_results":{"type":"string","default":"10","description":"max results per engine, cap 25"}}}},"additionalProperties":false},"resourceUrl":"https://api.kadec0.xyz/v1/serp-multi","serviceName":"Multi-Engine Web Search","x402Version":2,"outputSchema":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}},"acceptedAssets":["0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"],"bazaarExtension":{"info":{"input":{"type":"http","method":"GET","queryParams":{"q":"best vector database 2026","engines":"brave,yahoo,yandex"}},"output":{"type":"json","example":{"count":2,"items":[{"type":"serp_multi","query":"best vector database 2026","engines":[{"engine":"google","resultCount":10},{"engine":"brave","resultCount":10}],"mergedCount":14},{"url":"https://example.com/vectordb","rank":1,"type":"search_result","title":"Vector DB Comparison","engines":["google","brave"],"snippet":"A comparison of...","engineRanks":{"brave":3,"google":1}}]}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["q","engines"],"properties":{"q":{"type":"string","description":"search query"},"mode":{"enum":["web","news"],"type":"string","default":"web"},"region":{"type":"string","default":"us-en","description":"locale, e.g. us-en, uk-en, de-de"},"engines":{"type":"string","description":"comma list of 2-3 engines: brave, yahoo, yandex (web); bing, yahoo (news)"},"timelimit":{"enum":["d","w","m","y"],"type":"string","description":"restrict to past day/week/month/year"},"safesearch":{"enum":["on","moderate","off"],"type":"string","default":"moderate"},"num_results":{"type":"string","default":"10","description":"max results per engine, cap 25"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}}},"supportedNetworks":["eip155:8453"],"advertisedPriceUsd":0.05,"paymentRequirements":[{"raw":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA","amount":"50000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA","scheme":"exact","network":"eip155:8453","amountAtomic":"50000"}],"resourceDescription":"Multi-engine metasearch. One query fanned out across 2-3 search engines (Brave, Yahoo, Yandex) with results deduplicated by URL and merged by reciprocal-rank fusion — consensus ranking across engines instead of one engine's bias, with per-engine rank attribution on every result.","acceptedPaymentMethods":[]},"source_id":1,"external_id":null}],"live_endpoint_metadata":{"x402_version":2,"resource_url":"https://api.kadec0.xyz/v1/serp-multi","resource_description":"Multi-engine web search (metasearch). One search query fanned out across 2-3 search engines (Brave, Yahoo, Yandex) with results deduplicated by URL and merged by reciprocal-rank fusion: consensus ranking across engines instead of one engine's bias, with per-engine rank attribution on every result.","bazaar_extension":{"info":{"input":{"type":"http","method":"GET","queryParams":{"q":"best vector database 2026","engines":"yahoo,yandex"}},"output":{"type":"json","example":{"count":2,"items":[{"type":"serp_multi","query":"best vector database 2026","engines":[{"engine":"yahoo","resultCount":10},{"engine":"yandex","resultCount":10}],"mergedCount":14},{"url":"https://example.com/vectordb","rank":1,"type":"search_result","title":"Vector DB Comparison","engines":["yahoo","yandex"],"snippet":"A comparison of...","engineRanks":{"yahoo":1,"yandex":3}}]}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["q","engines"],"properties":{"q":{"type":"string","description":"search query"},"mode":{"enum":["web","news"],"type":"string","default":"web"},"region":{"type":"string","default":"us-en","description":"locale, e.g. us-en, uk-en, de-de"},"engines":{"type":"string","description":"comma list of 2-3 engines: yahoo, yandex (web mode). news mode has a single live engine (bing), so multi-engine is web-only"},"timelimit":{"enum":["d","w","m","y"],"type":"string","description":"restrict to past day/week/month/year"},"safesearch":{"enum":["on","moderate","off"],"type":"string","default":"moderate"},"num_results":{"type":"string","default":"10","description":"max results per engine, cap 25"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}}},"accepted_requirements":[{"raw":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA","amount":"50000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA","scheme":"exact","network":"eip155:8453","amountAtomic":"50000"}],"bazaar_compatible":true,"bazaar_validated_at":"2026-10-22 12:12:08.433+00","bazaar_validation_error":null},"sonar_metrics":{"score":0.4,"uptime":1,"paid_success_rate":0,"valid_result_rate":null,"latency_p50":4551,"latency_p90":4551,"price_drift_pct":0},"cdp_indexed":false,"confidence":"low"}