{"uid":"cap_pC6Qwm17cS2faS0wIm--v","slug":"datamuse-word-autocomplete-5864816f","name":"Datamuse Word Autocomplete","description":"Word autocomplete suggestions for a partial spelling prefix (param: word). Query: ?word= Returns JSON.","url":"https://clonecho.builda.company/x402/s/datamuse-autocomplete","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_t3eGhZduE-AquGxTQYgPo","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 word autocomplete suggestions for a given spelling prefix using the Datamuse lexical API","exampleAgentPrompt":"Can you give me word autocomplete suggestions for the prefix 'inter' — I'm building a search box and need to show users words that start with those letters?","exampleUseCases":null,"resultDescription":"A JSON array of word suggestions that match the provided spelling prefix, powered by Datamuse's lexical database, ordered by relevance or frequency.","failureModes":["Missing 'word' query parameter returns error or empty result","Very short or single-character prefix may return too many or irrelevant results","Non-alphabetic or special character prefixes may return empty results","Rate limiting or payment failure (x402) if USDC balance is insufficient"],"whenToPreferThis":"Use this endpoint when you need server-side word autocomplete suggestions based on a spelling prefix, especially for search boxes, text editors, or NLP pipelines. Prefer this over local dictionary lookups when you want Datamuse's curated, frequency-weighted word list without hosting your own lexical database.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:06:16.773Z","isFirstParty":false}