{"uid":"cap_lCQVCxG0bn65gvlrNYOKb","slug":"spyfu-f8b284c7","name":"SpyFu Transaction Keywords API","description":"GET /apis/keyword_api/v2/related/getTransactionKeywords","url":"https://spyfu.x402.paysponge.com/apis/keyword_api/v2/related/getTransactionKeywords","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_aNAxi7qSRA7Cj4iXR1ACa","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 transaction-intent keywords related to a query, identifying high-commercial-intent search terms via SpyFu's keyword database","exampleAgentPrompt":"Can you pull the transaction-intent keywords related to 'project management software' from SpyFu — I want to find buyer-intent search terms I can target for paid ads?","exampleUseCases":null,"resultDescription":"A list of transaction-intent keywords related to the queried term, typically including keyword text, search volume, cost-per-click estimates, and commercial intent signals sourced from SpyFu's database.","failureModes":["Missing required query parameter returns 400 error","Invalid or empty keyword input returns empty result set","Rate limiting or quota exceeded returns 429 error","Payment failure via x402 returns 402 response","SpyFu upstream unavailability returns 503 error"],"whenToPreferThis":"Use this endpoint when you need to identify high-commercial-intent or buyer-ready keywords associated with a seed term — specifically for building PPC campaigns, conversion-focused landing pages, or identifying purchase-stage SEO targets. Prefer this over getRelatedKeywords when the goal is transactional intent rather than broad keyword expansion.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:57:27.344Z","isFirstParty":false}