{"uid":"cap_aoO94XEbx6cyh8FyKKPX6","slug":"x402-seo-keyword-questions-api-7fe2ca99","name":"x402 SEO Keyword Questions API","description":"Pay $0.01-0.02 USDC per call on Base via x402","url":"https://x402-seo-api.restockalarm.workers.dev/v1/questions?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"queryParams":{"type":"object","required":["keyword"],"properties":{"hl":{"type":"string"},"keyword":{"type":"string","description":"Seed keyword (max 100 chars)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"count":1,"keyword":"running shoes","questions":[{"rank":0,"type":"how","question":"how to clean running shoes"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vT68gETw7vWffmUZicZ-y","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns question-style keyword ideas (how, what, why, etc.) for a given seed keyword, useful for SEO content planning","exampleAgentPrompt":"What questions are people searching for around the keyword 'running shoes'? I need SEO content ideas to build out a FAQ section.","exampleUseCases":[{"title":"Blog FAQ section brainstorming","prompt":"I'm writing a blog post about 'intermittent fasting' — can you pull up the top questions people are searching for around that keyword so I can structure a FAQ section?"},{"title":"Content gap analysis for product page","prompt":"We're optimizing our product page for 'standing desk' — what question-style searches are people doing around that term that we should be answering?"},{"title":"YouTube video topic ideation","prompt":"I want to create YouTube videos around 'sourdough bread' — what are the most common how, what, and why questions people are searching for on that topic?"}],"resultDescription":"A JSON object containing the seed keyword, a count of results, and an array of question objects each with a rank, question type (e.g. 'how', 'what', 'why'), and the full question text. Example: {count: 1, keyword: 'running shoes', questions: [{rank: 0, type: 'how', question: 'how to clean running shoes'}]}.","failureModes":["Missing required 'keyword' query parameter returns an error","Keyword exceeding 100 characters may be rejected","Payment not sent or insufficient USDC results in 402 Payment Required response","Invalid or unsupported language code in 'hl' parameter may return empty or unexpected results","No questions found for very obscure or niche keywords returns count: 0 with empty array"],"whenToPreferThis":"Choose this endpoint when you need question-style keyword ideas (how, what, why, which) from a seed keyword for SEO or content planning purposes. It is especially useful for building FAQ sections, structuring content around search intent, or discovering long-tail question queries. Prefer this over general keyword volume tools when the goal is content ideation rather than search volume data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:33:28.823Z","isFirstParty":false,"canonicalSlug":"x402-seo-keyword-questions-api-7fe2ca99"}