{"uid":"cap_9saW_9PZWqAAj-6artZbP","slug":"spyfu-fab56d93","name":"SpyFu Also-Buys Ads for Keywords","description":"GET /apis/keyword_api/v2/related/getAlsoBuysAdsForKeywords","url":"https://spyfu.x402.paysponge.com/apis/keyword_api/v2/related/getAlsoBuysAdsForKeywords","method":"GET","headers":{},"bodySchema":{"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","properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","additionalProperties":true}},"additionalProperties":false}},"additionalProperties":false},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eGeGkN45N4U5ih8b7RFLs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns keywords for which advertisers who buy ads on a given keyword also purchase paid search ads, revealing co-purchased ad keyword clusters.","exampleAgentPrompt":"Using SpyFu's also-buys ads data, show me which other keywords advertisers tend to buy paid search ads on when they're already bidding on 'project management software'.","exampleUseCases":null,"resultDescription":"A list of keywords that advertisers co-purchase alongside the queried keyword in paid search (Google Ads), effectively revealing keyword clusters and advertiser buying behavior patterns for PPC campaign expansion and competitive research.","failureModes":["Missing or invalid keyword input returns an empty result or error","Keyword with no ad history returns an empty also-buys list","Rate limiting or payment failure (x402) returns a 402 Payment Required response","Keyword not in SpyFu database returns null or empty dataset","Malformed query parameters return a 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need to discover which keywords are co-purchased by advertisers alongside a target keyword in paid search — ideal for PPC keyword expansion, building ad groups, or understanding how competitors cluster their keyword buys. Prefer this over organic/SEO keyword tools when the focus is specifically on paid advertising behavior.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:42:09.675Z","isFirstParty":false}