# Spelling & Grammar Check

Perform spelling and grammar check on the given content (recommend for long content). Support English, French and Spanish.

Endpoint: POST /text/nlp/spellcheck
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
    Enum: "en", "fr", "es"

## 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.result` (array)
    Matched result of spelling and grammer check

  - `result.result.matches` (array)
    List of spelling and grammer problems

1st object is for Spelling error

2nd object is for Grammar error

  - `result.result.matches.type` (string)
    The type of checking suggestion
    Enum: "spelling", "grammar"

  - `result.result.matches.offset` (integer)
    The starting offset of the word's position

  - `result.result.matches.length` (integer)
    The length of the word's position

  - `result.result.matches.message` (string)
    The message of spelling and grammar checking

  - `result.result.matches.suggestions` (array)
    The potential suggestions of spelling and grammar correction

  - `result.result.matches.rule` (string)
    The rule applid for grammar checking (Grammar check only)

  - `result.result.matches.description` (string)
    The detailed explanation of grammar checking (Grammar check only)

  - `result.result.matches.category` (string)
    The category of grammar checking (Grammar check only)

## Response 400 fields (application/json):

  - `status` (object)
    response status

  - `status.success` (boolean)
    Response status

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

  - `cause` (object)
    cause of error

  - `cause.message` (string)
    Error message