{"uid":"cap_LwZi7oG8oKCIph0a2sHQ5","slug":"one-engine-word-bigram-t9-extractor-2fd114d8","name":"ONE Engine Word Bigram T9 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/t9?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":"0.018","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":"$0.018/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.018","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.018","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rdoaYH2FySu0iADTaObRW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.018","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts word-level bigrams (consecutive two-word pairs) from input text using T9-style tokenization for NLP and text analysis tasks.","exampleAgentPrompt":"Extract all consecutive two-word bigrams from this text using ONE Engine's T9 tokenizer: 'The quick brown fox jumps over the lazy dog' — I need the full bigram list for my NLP feature pipeline.","exampleUseCases":[{"title":"NLP feature engineering for classifier","prompt":"Take this product review — 'The battery life is excellent but the screen is dim' — and extract all word bigrams from it so I can feed them as features into my text classification model."},{"title":"Keyword co-occurrence analysis","prompt":"I have this 2,000-word article about climate change. Pull out every consecutive two-word pair from it so I can see which word combinations appear together most often."},{"title":"Search index bigram enrichment","prompt":"Here's a chunk of customer support ticket text — run it through the word bigram extractor so I can index the two-word phrases for better search recall in our support system."}],"resultDescription":"Returns a JSON object containing word-level bigrams (consecutive two-word token pairs) derived from the input text, suitable for downstream NLP tasks such as feature engineering, search indexing, or co-occurrence analysis.","failureModes":["Text exceeds 50,000 character limit — request rejected or truncated","Empty or whitespace-only text input returns empty bigram set","Non-string input type causes schema validation error","Payment failure via x402 on Base blocks the call","Malformed JSON body returns HTTP 400"],"whenToPreferThis":"Choose this endpoint when you need a low-cost, per-call word bigram extraction from raw text, especially within an autonomous agent pipeline that uses x402 micropayments on Base. Ideal for NLP feature engineering, search enrichment, or co-occurrence analysis on text up to 50,000 characters without committing to a heavy NLP library or managed NLP service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:39.366Z","isFirstParty":false,"canonicalSlug":"one-engine-word-bigram-t9-extractor-2fd114d8"}