{"uid":"cap_x9_FOtGdkIoVrtkiEzY82","slug":"spyfu-0cc12d19","name":"SpyFu Question Keywords API","description":"GET /apis/keyword_api/v2/related/getQuestionKeywords","url":"https://spyfu.x402.paysponge.com/apis/keyword_api/v2/related/getQuestionKeywords","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":"0.010000","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":"$0.010000/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_dq6bSna5H-3JvhrNGa0ho","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 question-based keyword suggestions related to a given topic or keyword using SpyFu's keyword intelligence data","exampleAgentPrompt":"What question-based keywords do people search for around 'home solar panels'? I want to find SEO content ideas based on real search questions people ask.","exampleUseCases":null,"resultDescription":"A list of question-based keyword suggestions (e.g. 'how to install solar panels', 'what is the cost of solar panels') related to the input topic, sourced from SpyFu's keyword database, useful for content strategy and featured snippet targeting.","failureModes":["Missing required query parameter returns an error or empty result","Invalid or unsupported keyword format may return empty keyword list","Rate limiting or payment failure returns 402 Payment Required","SpyFu data unavailable for very niche or obscure topics returns empty list"],"whenToPreferThis":"Use this endpoint when you need question-format keyword ideas (who, what, how, why, when) for SEO content planning, FAQ pages, or featured snippet optimization. Prefer this over general keyword tools when you specifically need interrogative phrasing variants of a seed keyword.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:35:56.908Z","isFirstParty":false}