fetchAccessToken static method

Future<String> fetchAccessToken({ required String clientId, required String clientSecret, })

Calls the sandbox token endpoint with the client_credentials grant.

Implementation

static Future<String> fetchAccessToken({
  required String clientId,
  required String clientSecret,
}) async {
  final response = await _dio.post<Map<String, dynamic>>(
    'https://sandbox-auth.swichnow.com/connect/token',
    data: {
      'grant_type': 'client_credentials',
      'client_id': clientId,
      'client_secret': clientSecret,
    },
    options: Options(contentType: Headers.formUrlEncodedContentType),
  );
  return response.data!['access_token'] as String;
}