{"uid":"cap_DQQSZCpiJUvQUTSBM19Ki","slug":"x402-agent-judgment-synthesis-api-keyword-planning-endpoint-2f9e0dc0","name":"x402 Agent Judgment & Synthesis API – Keyword Planning Endpoint","description":"Pay-per-call agent utilities: pre-flight compliance classification, pre-flight URL safety, composed company/market research, live web search, page scraping, and keyword planning. Pay $0.001 USDC (research/classify/url_safety/search/scrape) or $0.002 USDC (keyword_plan) per call via x402 -- no API keys, no signup.","url":"https://products.54.168.247.83.sslip.io/v1/research?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"seed":{"type":"string"},"market":{"type":"string"},"clusters":{"type":"integer"},"min_volume":{"type":"integer"},"num_keywords":{"type":"integer"},"max_competition":{"type":"number"}}},"responseSchema":{"type":"json","example":{"data":"# Keyword Plan: x402 agent tools\n## Cluster 1: agent tooling\n- x402 keywords (volume 1.2K, competition 0.3)\n## Content recommendations\n- Build a comparison guide","status":"success"},"description":"Clustered keyword plan with search volume, competition scores, and content recommendations."},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZtLzu8BW0IUsEueUv2VaQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates a clustered keyword plan with search volume, competition scores, and content recommendations for a given seed topic and market, paid per-call via x402 at $10 USDC.","exampleAgentPrompt":"Generate a keyword plan for my seed topic 'x402 agent tools' targeting the US developer market — give me 3 clusters, at least 500 monthly volume, 20 keywords total, and cap competition at 0.4.","exampleUseCases":[{"title":"SEO strategy for a new SaaS launch","prompt":"I'm launching a developer payments tool called Paylane — can you build a keyword plan around the seed 'micropayment API', targeting the US market, with 4 clusters, minimum 300 search volume, 25 keywords, and competition no higher than 0.5?"},{"title":"Content calendar for a niche blog","prompt":"I run a blog about urban vertical farming — build me a keyword plan from the seed 'indoor growing systems' for the UK market, 3 clusters, at least 200 monthly searches, 15 keywords, and max competition of 0.6."},{"title":"Competitive keyword gap analysis for an agency client","prompt":"My client is in the B2B HR software space — generate a keyword plan using 'employee onboarding software' as the seed, targeting North America, 5 clusters, minimum volume 1000, 30 keywords, competition under 0.7."}],"resultDescription":"Returns a structured markdown keyword plan organized into clusters, each listing specific keywords with estimated monthly search volume and competition scores (0–1), plus content recommendations such as suggested article types or comparison guides to target those keywords.","failureModes":["Payment not received or insufficient USDC balance — returns 402 Payment Required","Missing required seed field — returns 400 with validation error","Invalid max_competition value outside 0–1 range — returns 400","Keyword data unavailable for specified market — returns partial results or empty clusters","Service timeout on large keyword sets — returns 504 or partial response"],"whenToPreferThis":"Use this endpoint when an AI agent needs on-demand, pay-per-call keyword research without API key registration or subscription overhead. It is ideal for agentic workflows that need clustered keyword intelligence with content recommendations in a single call. Prefer it over full-featured SEO platforms when cost predictability per call matters, when no persistent account is required, or when operating in an automated pipeline that handles x402 micropayments natively.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:31:27.883Z","isFirstParty":false,"canonicalSlug":"x402-agent-judgment-synthesis-api-keyword-planning-endpoint-2f9e0dc0"}