{"uid":"cap_J2dFMoz9eVbxHj0mcVED5","slug":"x402-micro-pay-keyword-extraction-ea2c31f0","name":"x402 Micro Pay — Keyword Extraction","description":"Agent-ready microservices with x402 + Stripe rails, volume primitives, tutorials, and applet UI.","url":"https://x402-micro-pay.com/api/skills/keyword-extract?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string"},"limit":{"type":"integer"}}},"responseSchema":{"type":"json","example":{"ok":true,"path":"/api/skills/keyword-extract"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0oxbWZEqUz0xh9u2NdTQJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts keywords from a given text input via a pay-per-call HTTP microservice using x402/USDC micropayments.","exampleAgentPrompt":"Can you extract the main keywords from this product description: 'Lightweight running shoes with breathable mesh upper, responsive foam midsole, and durable rubber outsole, ideal for road and trail running'?","exampleUseCases":[{"title":"Tag generation for blog content","prompt":"I just wrote this blog post intro and need you to pull out the top keywords so I can tag it properly: 'Electric vehicles are transforming urban transportation, cutting emissions and reducing fuel costs for city commuters.'"},{"title":"SEO keyword extraction from product copy","prompt":"Extract the main keywords from this product listing so I can optimize it for search: 'Noise-cancelling wireless headphones with 30-hour battery life, foldable design, and deep bass sound for audiophiles.'"},{"title":"Topic identification from customer feedback","prompt":"What are the key terms and topics coming out of this customer review? 'The delivery was lightning fast but the packaging was damaged and the instructions were impossible to follow.'"}],"resultDescription":"A JSON response containing extracted keywords or key phrases from the submitted text, along with a success status flag and the request path. The response follows the format {ok: true, path: '/api/skills/keyword-extract'} plus the keyword payload.","failureModes":["Payment not included or insufficient USDC balance — 402 Payment Required returned","Malformed request body missing required 'type' or 'method' fields — 400 Bad Request","Empty or null input text — may return empty keyword list or validation error","Network timeout or service unavailability — 503 or connection error","Unsupported bodyType field value — unexpected parsing behavior"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call keyword extraction service that works natively with AI agent workflows and x402 micropayment rails. Ideal when you want zero subscription overhead and only pay $0.008 USDC per extraction. Best for agents that process variable volumes of text and need on-demand NLP without managing API keys or monthly quotas.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T18:30:33.774Z","isFirstParty":false,"canonicalSlug":"x402-micro-pay-keyword-extraction-ea2c31f0"}