{"uid":"cap_gGVzw2UXIC1u6wz1jyHGu","slug":"soundex-phonetic-encoder-effdcb9a","name":"Soundex Phonetic Encoder","description":"Encode a word with the classic Soundex algorithm (letter + 3 digits) for phonetic matching of names.","url":"https://similarity.openverbs.com/v1/soundex","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":["word"],"properties":{"word":{"type":"string","maxLength":256,"minLength":1,"description":"The word to encode."}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false}}},"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_okWVfRp07gfalN6kU4uQW","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 word using the classic Soundex algorithm, returning a letter + 3-digit code for phonetic name matching.","exampleAgentPrompt":"What is the Soundex code for the name 'Schreiber'? I want to use it for phonetic name matching.","exampleUseCases":[{"title":"Deduplicating customer name records","prompt":"I have two customer entries — 'Johnson' and 'Jonson' — can you get the Soundex codes for both so I can check if they're phonetically the same and should be merged?"},{"title":"Phonetic search index for surnames","prompt":"I'm building a search feature and need to index the surname 'Wojciechowski' by its Soundex code so users can find it even if they spell it wrong — can you encode it?"},{"title":"Genealogy name variant lookup","prompt":"I'm researching family history and want to find records that sound like 'Kowalski' — can you give me the Soundex code so I can search for phonetic variants?"}],"resultDescription":"Returns a Soundex code consisting of one letter followed by three digits (e.g. 'S530') that represents the phonetic signature of the input word, enabling fuzzy matching of names that sound alike despite spelling differences.","failureModes":["Empty or missing 'word' field returns a 400 validation error","Words exceeding 256 characters are rejected","Non-alphabetic input (numbers, symbols only) may return an unexpected or default code","Payment failure (402) if x402 credentials are missing or insufficient"],"whenToPreferThis":"Choose this endpoint when you need the classic, widely-supported Soundex algorithm specifically — for legacy system compatibility, genealogy databases, or simple English name deduplication. Prefer Metaphone or Double Metaphone siblings on this service for more accurate English pronunciation encoding; prefer the 'sounds alike' endpoint when you only need a boolean phonetic match rather than the raw code.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:34:22.609Z","isFirstParty":false}