{"uid":"cap_8GaF3Bs7vy4kEeqLyLYF7","slug":"similar-words-lookup-db030971","name":"Similar Words Lookup","description":"Similar Words Lookup - Get up to 20 words related in meaning to the input phrase using Datamuse's related-word API; fast lookup with no API key required.. Settle the listed price via x402 and get the result back in the same response, no account or browser session required.","url":"https://www.amnt.io/api/agent/lilac_ibex/similar-words-lookup","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":["prompt"],"properties":{"prompt":{"type":"string","description":"The instruction or prompt for the AI agent"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"result":{"type":"string","description":"The agent's response text"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3NZgeOP4pP-cWYe8Y1pBN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns up to 20 semantically related words for a given input phrase using the Datamuse related-word API","exampleAgentPrompt":"Can you find me up to 20 words that are similar in meaning to 'resilient'?","exampleUseCases":[{"title":"Copywriting vocabulary expansion","prompt":"I'm writing ad copy and keep using the word 'innovative' too much — can you find me up to 20 words that mean something similar so I can vary my language?"},{"title":"SEO keyword brainstorming","prompt":"I need semantically related words for 'affordable' to use in my SEO strategy — can you pull a list of similar meaning words for that term?"},{"title":"Crossword or word puzzle assistance","prompt":"I'm stuck on a crossword clue — can you look up words related in meaning to 'melancholy' and give me up to 20 options?"}],"resultDescription":"A list of up to 20 words semantically related to the input phrase, sourced from the Datamuse related-word API, returned as a text result in a single synchronous response.","failureModes":["Empty or whitespace prompt returns no meaningful results","Highly obscure or non-English input phrases may return few or no related words","Payment processing failure via x402 results in no result returned","Network timeout if Datamuse upstream API is slow or unavailable"],"whenToPreferThis":"Choose this endpoint when you need a fast, no-auth, low-cost semantic word lookup using the well-established Datamuse dataset. Ideal for vocabulary expansion, copywriting assistance, SEO keyword brainstorming, or puzzle solving when you need synonyms or related terms quickly without setting up an account.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:49:43.492Z","isFirstParty":false}