Hubspot Oauth Token Request Structure

{
  "type": "object",
  "description": "Request body for token creation or refresh",
  "name": "TokenRequest",
  "properties": {
    "grant_type": {
      "type": "string",
      "description": "The type of grant being requested",
      "enum": [
        "authorization_code",
        "refresh_token"
      ]
    },
    "client_id": {
      "type": "string",
      "description": "The client ID of your application"
    },
    "client_secret": {
      "type": "string",
      "description": "The client secret of your application"
    },
    "redirect_uri": {
      "type": "string",
      "description": "The redirect URI (required for authorization_code grant)"
    },
    "code": {
      "type": "string",
      "description": "The authorization code (required for authorization_code grant)"
    },
    "refresh_token": {
      "type": "string",
      "description": "The refresh token (required for refresh_token grant)"
    }
  },
  "required": [
    "grant_type",
    "client_id",
    "client_secret"
  ],
  "$schema": "https://json-structure.org/draft/2020-12/schema"
}