{"uid":"cap_kbM5geoduI-hVeNuS3R3d","slug":"datamuse-hyponyms-lookup-38bdc9d1","name":"Datamuse Hyponyms Lookup","description":"More specific words (hyponyms) for a given word (param: word). Query: ?word= Returns JSON.","url":"https://clonecho.builda.company/x402/s/datamuse-hyponyms","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FfAcSUSwOr8TtTaL69d9q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a list of more specific words (hyponyms) for a given input word using the Datamuse lexical API.","exampleAgentPrompt":"Can you find more specific words for 'vehicle' — like words that are a type of vehicle?","exampleUseCases":null,"resultDescription":"A JSON array of words that are more specific (hyponyms) of the input word — e.g., for 'dog', results might include 'poodle', 'beagle', 'terrier'.","failureModes":["Missing 'word' parameter returns an error or empty result","Obscure or misspelled words may return no hyponyms","Very abstract or ambiguous words may return unexpected or sparse results","Non-English words may not be supported"],"whenToPreferThis":"Use this endpoint when you need to find more specific or narrower terms for a given word — for vocabulary enrichment, ontology building, NLP pipelines, or helping users discover precise terminology. Prefer this over a general thesaurus when specifically looking for hyponyms (is-a relationships) rather than synonyms or related words.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:54.607Z","isFirstParty":false}