# Readability

Compute readability scores by different criteria based on the given English content (recommend for long content)

Endpoint: POST /text/enrichment/readability
Version: 2025-08-18T18:01:56Z
Security: api_key

## Request fields (application/json):

  - `text` (string, required)
    The text content with UTF-8 text representation

  - `lang` (string, required)
    The two letter language code (English only)
    Enum: "en", "EN"

## Response 200 fields (application/json):

  - `status` (object)
    response status

  - `status.success` (boolean)
    Response status

  - `status.code` (integer)
    Response status code

  - `result` (object)
    response body

  - `result.readability` (object)
    readability scores based on different criteria

  - `result.readability.smog` (number)
    Smog readability score

  - `result.readability.flesch-reading` (number)
    Flesch-reading readability score

  - `result.readability.flesch-kincaid` (number)
    Flesch-kincaid readability score

  - `result.readability.gunning-fog` (number)
    Gunning-fog readability score

  - `result.readability.coleman-liau` (number)
    Coleman-liau readability score

  - `result.readability.smog-index` (number)
    Smog-index readability score