{"uid":"cap_emX-kj6_cQJdFgO-eC1hU","slug":"delx-commerce-word-frequency-api-30de2a69","name":"Delx Commerce Word Frequency API","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/word-frequency?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":{"top":[{"word":"agent","count":1},{"word":"hello","count":1},{"word":"world","count":1}],"schema":"delx/word-frequency/v1","unique":3,"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_VTzIcSSfUkwoslWKyKHNH","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":"Counts word frequencies in a text and returns the top words with their counts, total token count, and unique word count.","exampleAgentPrompt":"Count the word frequencies in this text and tell me the top words and how often each appears: 'The quick brown fox jumps over the lazy dog. The dog barked at the fox.'","exampleUseCases":[{"title":"SEO keyword density check","prompt":"Analyze the word frequency in this blog post draft and tell me which words appear most often so I can check if my target keywords are well-represented: [paste article text here]"},{"title":"Text complexity assessment for students","prompt":"Run a word frequency count on this student essay and tell me how many unique words they used and what the most common words are."},{"title":"Corpus term analysis for research","prompt":"I have a chunk of survey responses combined into one block of text — can you count how often each word appears and show me the top 10 most frequent terms?"}],"resultDescription":"Returns a JSON object with a ranked list of the top words and their occurrence counts, the total number of tokens, and the count of unique words. Schema version is included as 'delx/word-frequency/v1'.","failureModes":["Text exceeds 100,000 character limit — request rejected","Payment not fulfilled via x402 — 402 response returned","Empty or missing 'text' field — validation error","Malformed JSON body — 400 bad request"],"whenToPreferThis":"Choose this endpoint when you need a simple, pay-per-call word frequency count with no signup or API key — ideal for AI agents that need lightweight text analytics on demand using USDC micropayments. Prefer this over heavier NLP APIs when you only need token/word counts and top-word rankings without sentiment, entities, or embeddings.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:57.456Z","isFirstParty":false,"canonicalSlug":"delx-commerce-word-frequency-api-30de2a69"}