Next-Generation CPaaS Platform

Programmable Voice, SMS &
Omnichannel Communication APIs

Empower your engineers to embed carrier-grade Voice, SMS, WhatsApp Business, and RCS directly into your workflows. High-performance REST APIs anchored at our Hong Kong telecom switching core.

Request API Sandbox Keys Explore Call Center Solutions

99.999%

Platform Availability

< 50ms

API Response Time

140+

Countries Covered

ISO 27001

Enterprise Certified

Unified CPaaS Engine

Complete APIs for Modern Engineering Teams

Programmable Voice API

Build intelligent IVR flows, outbound automated dialers, call forwarding, and real-time call recording directly in your web or mobile software.

REST / WebRTC / WebSocket Streams

Programmable SMS API

Dispatch one-way transactional alerts or two-way conversational SMS with automatic GSM-7 encoding, message concatenation, and live DLR callbacks.

SMPP / HTTP REST / Webhooks

WhatsApp Business API

Official Meta BSP infrastructure for verified business profiles, automated customer support chatbots, rich media catalogs, and transactional order updates.

Cloud API & On-Premises Gateway

RCS Business Messaging

Upgrade standard text messages to branded, verified interactive cards with high-res carousels, action buttons, and live map directions.

GSMA Universal Profile 2.4

Turnkey 2FA / OTP Verification

Complete authentication API that generates secure time-based tokens, handles token validation, and automatically falls back to Voice or WhatsApp.

Auto-fallback Engine

Omnichannel Routing Engine

Route messages through the most cost-effective or highest-performing channel based on recipient preference and network availability.

Dynamic Failover Routing

Developer First

Start Sending Messages & Making Calls in Minutes

Our comprehensive SDKs and RESTful endpoints ensure zero friction. Test right from your terminal or integrate into your backend with native libraries.

Instant sandbox testing with live Hong Kong test numbers

Cryptographic HMAC webhook signature validation

Automated retry and multi-carrier failover logic

cURL / Node.js Dispatch

200 OK (28ms)

curl -X POST https://api.mindtreecom.com/v1/voice/calls \
  -H "Authorization: Bearer YOUR_HK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+14155552671",
    "from": "+85230018899",
    "answer_url": "https://yourserver.com/ivr/welcome.xml",
    "record": true,
    "status_callback": "https://yourserver.com/voice/events"
  }'

Gateway: HK1-Equinix CoreDirect Carrier Bindings

Request CPaaS API Access & Documentation

Contact our solutions engineering desk for dedicated sandbox keys and enterprise SLAs.

Carrier Interconnect Desk

Connect With Our Global Routing Desk

Whether you require high-volume A2P SMS routes, direct CLI voice termination, CPaaS API credentials, or our cloud predictive dialer, our Hong Kong engineering team is ready to assist.

Hong Kong Corporate Office:

Unit 1805, 18/F, Crawford House, 70 Queen's Road Central, Central, Hong Kong

Carrier & Sales Desk:

[email protected]

Carrier NOC Support:

24/7/365 Proactive Route & QoS Monitoring

Direct inquiries routed to: [email protected]

Programmable Voice, SMS & Omnichannel Communication APIs