Soundex phonetic code API

Computes the classic 4-character Soundex phonetic code for each word so that similar-sounding names collide (Robert and Rupert both code R163). Answers 'what is the Soundex code?', 'do these names sound alike phonetically?'.

Price$0.02per request

MethodPOST

Route/v1/text/soundex

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

textsoundexphoneticname-matchingfuzzysounds-likededupeencoding

API URLhttps://x402.hexl.dev/v1/text/soundex

Integration docs

Example request

{
  "text": "Robert"
}

Example response

{
  "code": "R163",
  "perWord": [
    {
      "word": "Robert",
      "code": "R163"
    }
  ],
  "algorithm": "soundex"
}

Input schema

{
  "type": "object",
  "required": [
    "text"
  ],
  "properties": {
    "text": {
      "type": "string",
      "examples": [
        "Robert"
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}