{"uid":"cap_Ml3tOs9C6bHN2RJfT3xv8","slug":"forgemesh-vocabulary-builder-d5136fff","name":"ForgeMesh Vocabulary Builder","description":"Vocabulary builder serving GRE/SAT-caliber words: each entry has a precise definition, part of speech, natural example sentence, three synonyms, and an advanced/expert difficulty tag. Pull 1-10 random words, filter by difficulty or starting letter. 150 curated entries for tutoring agents, word-of-the-day bots, and test prep.","url":"https://x402.forgemesh.io/vocabulary-builder","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"count":{"type":"string","description":"Words to return, 1-10 (default 1)"},"difficulty":{"type":"string","description":"Optional: advanced or expert"},"starts_with":{"type":"string","description":"Optional: single starting letter"}}},"responseSchema":{"type":"json","example":{"words":[{"word":"ephemeral","example":"The beauty of the cherry blossoms is ephemeral.","synonyms":["fleeting","transient","momentary"],"definition":"lasting for a very short time","difficulty":"advanced","part_of_speech":"adjective"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_q7pV5ufaabCOnorPJOT-K","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns 1–10 curated GRE/SAT-caliber vocabulary words with definitions, part of speech, example sentences, synonyms, and difficulty tags, filterable by difficulty level or starting letter.","exampleAgentPrompt":"Give me 5 expert-difficulty vocabulary words that start with the letter P — I need each one with a precise definition, part of speech, an example sentence, and three synonyms for my GRE prep session.","exampleUseCases":null,"resultDescription":"Returns an array of vocabulary entries, each containing the word itself, its precise definition, part of speech, a natural example sentence demonstrating usage, three synonyms, and a difficulty tag (advanced or expert). Up to 10 entries per call from a curated pool of 150 words.","failureModes":["count out of range (not 1–10): API may return an error or default to 1","invalid difficulty value (not 'advanced' or 'expert'): filter ignored or error returned","starts_with containing more than one character or a non-letter: may return empty results","no words match the combined filter criteria (e.g., rare letter + expert difficulty): empty array returned","payment failure due to insufficient USDC balance: 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need high-quality, curated vocabulary entries for GRE/SAT test prep, word-of-the-day bots, tutoring agents, or any application needing rich lexical data (definition, part of speech, example sentence, synonyms, difficulty). Prefer this over generic dictionary APIs when you specifically need difficulty-tagged, test-caliber words with ready-to-use example sentences and synonyms in a single structured response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:03:31.071Z","isFirstParty":false}