Metaphone phonetic code API

Computes the American Metaphone phonetic key for each word, a more accurate sounds-like encoding than Soundex that handles English consonant rules. Answers 'what is the Metaphone code?', 'do these words sound the same?'.

Price$0.03per request

MethodPOST

Route/v1/text/metaphone

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

textmetaphonephoneticsounds-likename-matchingfuzzyencodingspelling

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

Integration docs

Example request

{
  "text": "Thompson"
}

Example response

{
  "code": "0MPSN",
  "perWord": [
    {
      "word": "Thompson",
      "code": "0MPSN"
    }
  ],
  "algorithm": "metaphone"
}

Input schema

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

Output schema

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