{"uid":"cap_cpTVJMqdC1cIkQ54JSFi_","slug":"x402-gateway-keyword-ideas-seo-12b0cd64","name":"x402-gateway: Keyword Ideas (SEO)","description":"Keyword Ideas: Generate keyword ideas from a seed keyword with volume data. Priced below typical SEO-data APIs. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/keyword_ideas.","url":"https://x402.freeq.one/tools/keyword_ideas?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer","description":"Max ideas to return, 1-100 (default 25)"},"keyword":{"type":"string","example":"running shoes","description":"Seed keyword"},"language_code":{"type":"string","description":"Language code (default 'en')"},"location_code":{"type":"integer","description":"Google location code (default 2840 = United States)"}}},"responseSchema":{"type":"json","example":{"result":{}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_T24WzR5loRfo2MT4gBHp2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates keyword ideas and search volume data from a seed keyword, priced per-call in USDC on Base via x402.","exampleAgentPrompt":"Give me up to 50 keyword ideas based on the seed keyword 'running shoes' — I need English results for the United States with their search volumes.","exampleUseCases":[{"title":"Content brief keyword research","prompt":"I'm writing a blog post about 'intermittent fasting' — can you pull 30 keyword ideas in English for the US market so I know which related terms to target?"},{"title":"E-commerce product page SEO","prompt":"I'm optimizing product pages for 'standing desk' — get me 50 keyword ideas with search volumes for the US so I can find the best terms to include."},{"title":"Competitor content gap analysis","prompt":"I want to find keyword opportunities around 'project management software' for an English-speaking US audience — give me 25 ideas with volume data so I can spot gaps in my content strategy."}],"resultDescription":"Returns a JSON object containing a list of keyword ideas derived from the seed keyword, each with associated search volume data and related metrics, up to the specified limit.","failureModes":["Invalid or missing seed keyword returns an error","Limit out of range (below 1 or above 100) may cause a validation error","Unsupported language_code or location_code may return empty or error results","Payment failure via x402 results in a 402 response and no data","Network timeout on upstream SEO data source returns a 5xx error"],"whenToPreferThis":"Choose this endpoint when you need affordable, pay-per-call keyword idea generation with search volume data and no account or API key setup — particularly suitable for AI agents that need on-demand SEO research billed in USDC on Base. Prefer over subscription-based SEO APIs (Ahrefs, SEMrush) for low-frequency or agent-driven usage where per-call pricing is more cost-effective.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T12:39:10.307Z","isFirstParty":false,"canonicalSlug":"x402-gateway-keyword-ideas-seo-12b0cd64"}