{"uid":"cap_UE0vnHJ_xaelUufL6fhyU","slug":"delx-commerce-unique-words-extractor-0408be27","name":"Delx Commerce — Unique Words Extractor","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/unique-words?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","maxLength":100000,"description":"Primary text input (max 100k chars). Processed first-party; not retained as a dataset."}}},"responseSchema":{"type":"json","example":{"count":3,"words":["agent","hello","world"],"schema":"delx/unique-words/v1","total_tokens":3}},"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_lf9O1eAOnFUWTQcfIlQgs","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":"Extracts a deduplicated list of unique words from a given text and returns them along with their count","exampleAgentPrompt":"Can you pull out all the unique words from this paragraph and tell me how many distinct ones there are: 'The quick brown fox jumps over the lazy dog. The dog barked loudly.'","exampleUseCases":[{"title":"Vocabulary audit for content editor","prompt":"Take this blog post draft and give me a list of every unique word used — I want to see the full vocabulary and total distinct word count before I submit it."},{"title":"Duplicate word detection in student essay","prompt":"Can you extract all unique words from this student essay and tell me how many distinct words they actually used? Here's the text: 'Students often repeat words. Repetition in essays is common. Common repetition weakens essays.'"},{"title":"Token set analysis for NLP pipeline","prompt":"Run this raw customer feedback corpus through the unique-words extractor and return the deduplicated word list and count so I can feed it into my next processing step."}],"resultDescription":"Returns a JSON object containing: 'count' (integer, number of unique words), 'words' (array of unique word strings), 'total_tokens' (integer, total tokens processed), and 'schema' identifier 'delx/unique-words/v1'.","failureModes":["Text exceeds 100,000 character limit — returns 400 or validation error","Empty text input — may return zero count with empty words array","Payment failure via x402 protocol — 402 response if USDC payment not completed","Malformed JSON body — 400 bad request","Rate limiting or network timeout — 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a simple, fast, pay-per-call unique word extraction without any signup or API key management. It is ideal for agents that need to process text on demand and want verifiable, micropayment-based access via x402/USDC. Prefer this over building a custom deduplication step when cost predictability ($0.001 per call) and no-auth simplicity matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:41.302Z","isFirstParty":false,"canonicalSlug":"delx-commerce-unique-words-extractor-0408be27"}