Wazen

Wazen .NET SDK

Official .NET SDK for the Wazen WhatsApp API.

Installation

dotnet add package Wazen

Install-Package Wazen

Quick Start

using Wazen;

var wazen = new WazenClient("wz_your_api_key");

// Send a message
var message = await wazen.Messages.SendAsync("session-id", new SendMessageRequest
{
    To = "[phone]",
    Type = MessageType.Text,
    Content = "Hello from Wazen!"
});

// List sessions
var sessions = await wazen.Sessions.ListAsync();

// Check if a number is on WhatsApp
var result = await wazen.Contacts.CheckAsync("session-id", new CheckContactRequest
{
    Phone = "[phone]"
});

Resources

All resources are accessible as properties on the client instance.

Sessions

await wazen.Sessions.CreateAsync();
await wazen.Sessions.ListAsync();
await wazen.Sessions.GetAsync("session-id");
await wazen.Sessions.DeleteAsync("session-id");
await wazen.Sessions.RestartAsync("session-id");
await wazen.Sessions.GetQrAsync("session-id");
await wazen.Sessions.FactoryResetAsync("session-id");

Messages

// Send text
await wazen.Messages.SendAsync("session-id", new SendMessageRequest
{
    To = "[phone]",
    Type = MessageType.Text,
    Content = "Hello!"
});

// Send image
await wazen.Messages.SendAsync("session-id", new SendMessageRequest
{
    To = "[phone]",
    Type = MessageType.Image,
    MediaUrl = "https://example.com/photo.jpg"
});

// Get message history
await wazen.Messages.ListAsync("session-id", new ListMessagesQuery
{
    Direction = "outgoing",
    Limit = 10
});

// Get single message
await wazen.Messages.GetAsync("session-id", "message-id");

Groups

await wazen.Groups.ListAsync("session-id");
await wazen.Groups.CreateAsync("session-id", new CreateGroupRequest
{
    Subject = "Team Chat",
    Participants = new[] { "[phone]" }
});
await wazen.Groups.GetAsync("session-id", "group-id");
await wazen.Groups.UpdateAsync("session-id", "group-id", new UpdateGroupRequest
{
    Subject = "New Name"
});
await wazen.Groups.LeaveAsync("session-id", "group-id");
await wazen.Groups.ManageParticipantsAsync("session-id", "group-id", new ManageParticipantsRequest
{
    Action = ParticipantAction.Add,
    Participants = new[] { "+0987654321" }
});
await wazen.Groups.SendMessageAsync("session-id", "group-id", new SendGroupMessageRequest
{
    Type = MessageType.Text,
    Content = "Hello group!"
});

Channels

await wazen.Channels.CreateAsync("session-id", new CreateChannelRequest
{
    Name = "Product Updates",
    Description = "Latest news"
});
await wazen.Channels.SendMessageAsync("session-id", "channel-id", new SendChannelMessageRequest
{
    Type = MessageType.Text,
    Content = "New release!"
});

Contacts

// Check single number
await wazen.Contacts.CheckAsync("session-id", new CheckContactRequest
{
    Phone = "[phone]"
});

// Bulk check
await wazen.Contacts.BulkCheckAsync("session-id", new BulkCheckRequest
{
    Phones = new[] { "[phone]", "+0987654321" }
});

Warming

await wazen.Warming.StartAsync("session-id", new StartWarmingRequest
{
    Contacts = new[]
    {
        new WarmingContact { Phone = "[phone]", Name = "Alice" },
        new WarmingContact { Phone = "+0987654321" }
    }
});
await wazen.Warming.GetStatusAsync("session-id");
await wazen.Warming.PauseAsync("session-id");
await wazen.Warming.ResumeAsync("session-id");
await wazen.Warming.CancelAsync("session-id");

Webhooks

await wazen.Webhooks.CreateAsync(new CreateWebhookRequest
{
    Url = "https://your-app.com/webhooks/wazen",
    Events = new[] { WebhookEvent.MessageReceived, WebhookEvent.MessageDelivered }
});
await wazen.Webhooks.ListAsync();
await wazen.Webhooks.UpdateAsync("webhook-id", new UpdateWebhookRequest { Enabled = false });
await wazen.Webhooks.DeleteAsync("webhook-id");
await wazen.Webhooks.TestAsync("webhook-id");
await wazen.Webhooks.GetLogsAsync("webhook-id");

Account

var account = await wazen.Account.GetAsync();
var usage = await wazen.Account.GetUsageAsync();

API Keys

var key = await wazen.ApiKeys.CreateAsync(new CreateApiKeyRequest { Name = "new-key" });
await wazen.ApiKeys.ListAsync();
await wazen.ApiKeys.RevokeAsync("key-id");

Configuration

var wazen = new WazenClient("wz_your_api_key", new WazenClientOptions
{
    BaseUrl = "https://wazen.dev/api/v1", // default
    Timeout = TimeSpan.FromSeconds(30)    // default
});

Error Handling

using Wazen;
using Wazen.Exceptions;

try
{
    await wazen.Messages.SendAsync("session-id", new SendMessageRequest
    {
        To = "[phone]",
        Type = MessageType.Text,
        Content = "Hi"
    });
}
catch (WazenApiException ex)
{
    Console.WriteLine(ex.StatusCode); // HTTP status code
    Console.WriteLine(ex.ErrorCode);  // API error code
    Console.WriteLine(ex.Message);    // Error message
}

Requirements

• .NET 8.0 or later
• A Wazen account with an active subscription
• An API key from your Dashboard

Links

• API Documentation
• Dashboard
• TypeScript SDK

License

MIT