WSAPI_
GET/—200OK

Open-source WhatsApp API. Managed hosting when you need scale.

// Build messaging integrations, chatbots, and automation

// Self-host for free or let us handle infrastructure

No credit card required
self-host.yml
ready
FREE

Self-Host

Run the open-source community edition on your own infrastructure. Full API access, no license fees.

const deployment = "self-hosted"
Learn more
cloud.yml
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MANAGED

Use Cloud

Managed hosting with automatic updates, monitoring, and customer support. Start with a 14-day free trial.

const deployment = "cloud-managed"
Learn more
GET/api/features—200OK

Why developers choose WSAPI

api.ts
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Developer-First API

Clean RESTful endpoints, webhook event delivery, comprehensive documentation, and client libraries. Build WhatsApp integrations in minutes, not days.

messages.ts
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Rich Media Messaging

Send and receive text, images, video, documents, voice notes, stickers, contacts, and locations. Edit, delete, pin, and react to messages.

streams.ts
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Multi-Account + Streaming

Connect multiple WhatsApp accounts under a single API. Events are delivered via webhooks or Redis Streams for real-time message processing.

groups.ts
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Groups & Contacts

Create and manage groups, update members and settings programmatically. Retrieve contact info, manage chats, and handle presence indicators.

automation.ts
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Chatbots & Automation

Build chatbots, automate notifications for orders and confirmations, and personalize responses. No per-message fees unlike the official API.

chats.ts
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Chat & Contact Control

List, retrieve, mute, pin, archive, or delete chats. Manage ephemeral settings, send typing indicators, read receipts, and fetch or update contact details.

Get started in three steps

quickstart.sh
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1 $wsapi register --email you@example.com
✓ Account created. Sign up with email, Google, or GitHub.
2 $wsapi trial start --days 14
✓ 14-day free trial activated. No credit card required.
3 $wsapi instance create --pair
✓ Instance running. Scan QR code and start sending messages.

Send your first message

// A single API call is all it takes

POSTterminal
curl -X POST https://api.wsapi.chat/message/text \
  -H "Content-Type: application/json" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "x-instance-id: YOUR_INSTANCE_ID" \
  -d '{
    "to": "1234567890",
    "text": "Hello from WSAPI!"
  }'

Simple, transparent hosting pricing

// Start free, scale as you grow

trial.json

Free Trial

Free

Try WSAPI free for 14 days. No credit card required.

  • Full API access
  • All message types
  • Webhooks & SSE
  • Email & ticket support
single.json

Single Instance

$5.00/mo

Perfect for individual users and small projects.

  • Full API access
  • All message types
  • Webhooks & SSE
  • Email & ticket support
Most Popular
5_instances.json

5 Instances

$4.75*/mo

Ideal for growing businesses and teams.

  • Full API access
  • All message types
  • Webhooks & SSE
  • Email & ticket support
GET/api/faq—200OK

Frequently Asked Questions

$ wsapi --help

Ready to build with WSAPI?

// Start your 14-day free trial today. No credit card required.