{"uid":"cap_nC3NPXpIjmy1KZhxBqCx0","slug":"one-engine-word-bigram-extractor-13f6b611","name":"ONE Engine Word Bigram Extractor","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-token/word-bigrams/t8?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":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aGPfM40L55x-YHNr1wlwj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts all consecutive word bigrams (two-word pairs) from a given text input of up to 50,000 characters.","exampleAgentPrompt":"Extract all word bigrams from this text: 'The quick brown fox jumps over the lazy dog' — I need every consecutive two-word pair in the sequence.","exampleUseCases":[{"title":"NLP feature engineering from corpus","prompt":"Take this paragraph of customer reviews and extract all word bigrams so I can use them as features for a text classification model: 'The product quality was excellent but delivery was painfully slow and customer support never responded.'"},{"title":"Keyword co-occurrence analysis","prompt":"I have this 500-word blog post and I need all the consecutive word pairs from it so I can see which two-word phrases appear most often — here's the text: 'Content marketing is a strategic approach focused on creating and distributing valuable relevant and consistent content to attract and retain a clearly defined audience...'"},{"title":"Phrase extraction for search indexing","prompt":"Pull out every two-word bigram from this product description so I can index them for search: 'Wireless noise-cancelling headphones with 30-hour battery life, premium sound quality, and foldable design for easy travel.'"}],"resultDescription":"Returns a JSON object containing the list of word bigrams extracted from the input text — each bigram being a consecutive pair of words (tokens) as they appear in sequence through the document. The exact structure of the response object may vary, but typically includes the bigram sequences derived from the tokenized input.","failureModes":["Text exceeds 50,000 character limit — request rejected or truncated","Empty or whitespace-only text input yields an empty bigram list","Payment failure via x402 protocol prevents API access","Non-string or missing 'text' field returns a validation error","Highly repetitive or single-word input produces minimal or degenerate bigrams"],"whenToPreferThis":"Choose this endpoint when you need fast, pay-per-call word bigram extraction without managing your own NLP infrastructure. Ideal for autonomous agents that need cheap, on-demand tokenization into two-word pairs for downstream NLP tasks like feature engineering, phrase mining, or search indexing. Prefer this over full NLP pipeline services when you only need bigrams and want minimal cost ($0.01/call) and no subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:09.317Z","isFirstParty":false,"canonicalSlug":"one-engine-word-bigram-extractor-13f6b611"}