WhatsApp API for OTP, orders, and alerts

Ship WhatsApp transactional messaging with developer-grade reliability.

Plug Zapiora into your application and send critical customer messages with clear delivery events, webhook callbacks, and workspace-level controls.

Auth with API key in minutes
Webhook-based delivery lifecycle
Built for multi-tenant SaaS backends

API quickstart

Ready
curl -X POST https://api.zapiora.com/api/v1/messages/send \
  -H "Authorization: Bearer sk_live_***" \
  -H "Content-Type: application/json" \
  -d '{
    "whatsappAccountId": "acc_123",
    "contactPhone": "33612345678",
    "content": "Your OTP is 483921",
    "type": "TEXT"
  }'
Response latency target: low seconds
Events: message.new, message.status, whatsapp.connection
Use case: OTP, checkout updates, support alerts
Teams building message-critical apps with ZapioraOrderFlowShipdeskCarePulseShopwaveTicketlaneOpsNexus
Product

Core blocks for production-grade WhatsApp API delivery.

Transaction-first API

Send OTP, order updates, delivery alerts, and account events through a clean REST API.

Delivery lifecycle events

Track sent, delivered, read, and failed states in near real time with webhook callbacks.

Built for production

Rate limits, auth keys, retries, and workspace isolation designed for serious backend workloads.

Control by organization

Multi-tenant architecture with role-based access keeps each client environment isolated.

API flow

From API request to delivery event.

Designed for backend teams who need traceability and control.

1. Authenticate

Create API keys per integration and send signed requests.

2. Send message

Call /messages/send for OTP, order updates, and transactional alerts.

3. Observe events

Use webhooks and dashboard logs to track sent, delivered, and failures.

< 15 min integration

OTP Verification

Deliver one-time codes for login, signup, and high-risk actions.

Lower support tickets

Order Notifications

Confirm orders, share payment status, and notify shipping milestones.

Faster user response

Critical Alerts

Push account, billing, and incident alerts to the right recipient instantly.

Pricing

Simple monthly plans for API volume and growth.

Starter

$29

/monthly

2 WhatsApp lines
API access
1,000 messages/month
Webhook events
Choose Starter

Pro

$99

/monthly

5 WhatsApp lines
10,000 messages/month
Priority webhook queue
Priority support
Choose Pro

Business

$299

/monthly

High volume throughput
Advanced limits
Dedicated support lane
Custom onboarding
Choose Business
Security & reliability

Operate critical messaging with confidence.

Multi-tenant isolation, API key auth, webhook signatures, and clear observability for production teams.