✦Developer & Enterprise API

Official WhatsApp Cloud API & Webhooks. Built for Existing CRMs.

Already have HubSpot, Zoho, Salesforce, or a custom ERP? Hitam provides verified Meta Cloud WhatsApp APIs and low-latency webhooks so you can trigger messages, send OTPs, and receive customer replies directly in your existing tech stack.

Get API Credentials →Chat on WhatsApp

99.95%

API Delivery Uptime

Redundant Meta Cloud server nodes

< 250ms

Webhook Latency

Instant bi-directional event forwarding

Account Ban Risk

100% compliant Meta official infrastructure

// Sample cURL: Send WhatsApp HSM Template via Hitam API

curl -X POST https://api.hitam.biz/v1/messages \
  -H "Authorization: Bearer YOUR_HITAM_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+919876543210",
    "template": "order_confirmed",
    "parameters": ["John Doe", "#INV-84920", "₹4,999"]
  }'

✦API Infrastructure

Enterprise Meta Cloud Architecture

⚡Sub-Second

Real-time Bi-directional Webhooks

Receive JSON payloads immediately whenever a user replies, reads a message, clicks a quick-reply button, or shares media.

✓HMAC SHA-256 signature verification for ironclad security

✓Automated exponential backoff retries on endpoint failure

✓Granular event filtering: message received, delivered, read, failed

✓Payload normalization across media types (audio, video, PDF, location)

📋Compliant

Meta Template Management Suite

Draft, submit, and manage WhatsApp HSM templates (Marketing, Utility, Authentication) directly with automated sync from Meta.

✓Interactive buttons: Call-to-Action (URL, Phone) & Quick Replies

✓Dynamic parameters ({{1}}, {{2}}) for rich custom personalization

✓Live approval status polling and error diagnostic feedback

✓Multi-language template support with localized fallbacks

🚀Enterprise Scale

High-Throughput Batch Engine

Send thousands of notifications, statements, or transactional alerts per minute without throttling or server timeouts.

✓Asynchronous queue architecture handles 500+ messages per second

✓Rate-limit auto-smoothing to comply with Meta tier allowances

✓Batch dispatch endpoints with single-request array payloads

✓Detailed per-message delivery status logging and export

🔄Flexible

Inbound Message Forwarding

Route incoming customer conversations back into your custom ticketing software, live chat dashboard, or agent queues.

✓Session-based routing preserves 24-hour customer care windows

✓Media downloads stored on secure encrypted CDN buckets

✓Compatible with Zapier, Make, n8n, and custom webhook consumers

✓Seamless fallback to automated bot replies or human agents

✦Developer Tiers

Flexible API Subscriptions

API Developer Tier

For startups & growing businesses testing API integrations

₹1,499 / mo

Standard API gateway access, webhooks, and template manager with essential support.

Included Capabilities

✓1 Verified WhatsApp Business Phone Number

✓Full REST API & Webhook Access

✓Up to 25,000 Outbound API Calls / month

✓Unlimited Inbound Webhook Events

✓Meta Template Manager & Dynamic Variables

✓Interactive Quick-Reply & CTA Button support

✓Standard Sandbox & API Documentation

✓Community & Email Support

–Meta conversation fees billed at actuals

–Throughput limited to 25 messages/sec

Subscribe to Developer API

Frequently Asked Technical Questions

Meta charges per 24-hour conversation category (Marketing, Utility, Service, Authentication). You can either connect your own credit card directly in your Meta Business Manager or use our unified billing balance.

✦ Ready to Integrate WhatsApp into Your Software?

Get Production WhatsApp API Credentials in 48 Hours.

Stop using brittle unofficial tools. Power your product with official Meta Cloud infrastructure.

Access api.hitam.io →Chat on WhatsApp