{"uid":"cap_vu-psh7tky03I5K8-HZbL","slug":"metaphone-phonetic-encoder-275ddd83","name":"Metaphone Phonetic Encoder","description":"Encode a word with the Metaphone algorithm — more accurate than Soundex for English pronunciation.","url":"https://similarity.openverbs.com/v1/metaphone?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"word":{"type":"string","maxLength":256,"minLength":1,"description":"The word to encode."}}},"responseSchema":null,"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_EJC9kIOf3X1Hy27CFMwzD","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":"Encodes a single English word using the Metaphone algorithm to produce a phonetic key for pronunciation-based matching.","exampleAgentPrompt":"What's the Metaphone code for the word 'knight'? I want to use it for phonetic name matching.","exampleUseCases":[{"title":"Fuzzy name search in a database","prompt":"Can you get the Metaphone encoding for 'Catherine' so I can use it to find phonetically similar name spellings in my database?"},{"title":"Deduplicating customer records","prompt":"I think I have duplicate customer entries under 'Smith' and 'Smyth' — can you generate the Metaphone code for each so I can check if they sound the same?"},{"title":"Building a phonetic search index","prompt":"I'm indexing product names for a search engine — can you encode the word 'Fender' using the Metaphone algorithm so I can store the phonetic key alongside it?"}],"resultDescription":"Returns the Metaphone phonetic code for the submitted word — a string of consonant sounds representing the English pronunciation, which can be compared against codes of other words to find phonetic matches.","failureModes":["Empty or missing 'word' field returns a 400 validation error","Word exceeding 256 characters is rejected","Non-English or heavily foreign-alphabet words may produce unreliable codes","Network timeout or 5xx if the service is temporarily unavailable","Payment failure (x402) if USDC balance is insufficient"],"whenToPreferThis":"Prefer this endpoint over Soundex when higher phonetic accuracy for English words is needed, especially for longer or more complex words. Choose this over Double Metaphone when only a single canonical code is sufficient and the simpler output is preferable. Use it over Jaro-Winkler or Levenshtein when you need pronunciation-based rather than edit-distance-based similarity.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T00:31:06.185Z","isFirstParty":false,"canonicalSlug":"metaphone-phonetic-encoder-275ddd83"}