{"uid":"cap_EIMX2IzTAyixNyV1LyTwW","slug":"one-engine-text-domain-extraction-t4-ae00ad03","name":"ONE Engine Text Domain Extraction (t4)","description":"Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.","url":"https://one-search.one-engine.workers.dev/v3/text-extract/domains/t4?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["text"],"properties":{"text":{"type":"string","description":"Text up to 50000 characters"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0015","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":"$0.0015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZUj-LE3wCloRWO9dbIYPM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts domain names or URLs from unstructured text input up to 50,000 characters.","exampleAgentPrompt":"Extract all domain names mentioned in this text: 'We reviewed products from apple.com, google.com, and microsoft.com, and also noticed references to cloudflare.com and vercel.dev in the documentation.'","exampleUseCases":[{"title":"Domain audit from marketing copy","prompt":"Pull out every domain name mentioned in this product announcement draft so I can check whether any competitor sites are accidentally referenced."},{"title":"Link extraction from scraped articles","prompt":"I have 10,000 characters of scraped news article text — can you find and list all the website domains mentioned in it?"},{"title":"Log file domain identification","prompt":"Here's a chunk of server log output — extract every domain name that appears so I can check them against our allowlist."}],"resultDescription":"A JSON object containing the domains or URLs extracted from the provided text, returned as structured data with no fixed schema (additionalProperties: true), so the agent should expect a flexible response object listing detected domain entities.","failureModes":["Text exceeding 50,000 characters may be rejected or truncated","No domains present in the text results in an empty or null domain list","Malformed or ambiguous text may produce incomplete extraction","Payment failure via x402/Base may result in 402 response before processing","Rate limiting or worker availability issues may cause transient 5xx errors"],"whenToPreferThis":"Choose this endpoint when you need a cheap, fast, pay-per-call extraction of domain names or URLs from a block of text without setting up a heavier NLP pipeline. It is especially suitable for autonomous agents that process variable text volumes and want microtransaction-based pricing via x402 on Base, rather than subscription APIs. Prefer it over regex-only solutions when you want a managed, API-backed extraction service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:02.795Z","isFirstParty":false,"canonicalSlug":"one-engine-text-domain-extraction-t4-ae00ad03"}