Holded .NET SDK

using Apideck;
using Apideck.Api;
using Apideck.Model;

var config = new Configuration {
    ApiKey = Environment.GetEnvironmentVariable("APIDECK_API_KEY"),
    AppId = Environment.GetEnvironmentVariable("APIDECK_APP_ID"),
    ConsumerId = "user-123"
};

var apiInstance = new CrmApi(config);

// Connect to Holded
var result = await apiInstance.ConnectionsAllAsync(
    serviceId: "holded"
);

// List data from Holded
var companies = await apiInstance.CompaniesAllAsync(
    serviceId: "holded"
);

Console.WriteLine(companies);