Communications Platform as a Service
Build smarter communications with CPaaS
One platform. 20+ APIs. Connect voice, messaging, AI, and cloud telephony into your product — in days, not months.
<100ms
API response time
Pan-India
Coverage & VNO
Every communication channel
One unified platform.
CPaaS from Convox gives your engineering team the building blocks to embed voice, messaging, and AI directly into your workflows — with zero telecom complexity.
Platform Capabilities
Six pillars of enterprise CPaaS
From a single OTP to a full AI voice campaign — CPaaS covers the entire spectrum of business communications.
Voice APIs & Telephony
Embed outbound and inbound voice into any product. From click-to-call to full IVR orchestration via API.
- Voice API — outbound & inbound
- Click-to-Call API
- Voice Blaster for mass outreach
- Cloud IPBX
- Call Recording & retrieval
Messaging Suite
Reach customers on every channel — WhatsApp, SMS, RCS, and two-way conversational messaging.
- WhatsApp Business API
- SMS API & Bulk SMS
- RCS Messaging
- Two-Way Messaging
- OTP / Verification API
AI & Automation
Deploy intelligent voice bots and automated calling campaigns without building from scratch.
- AI Calling / Automated Outbound
- Voice Bot with NLP
- Missed Call Services
- Call Tracking & attribution
Privacy & Number Masking
Shield customer phone numbers in marketplaces, logistics, and on-demand platforms without losing call quality.
- Number Masking API
- Virtual proxy numbers
- Call routing with full masking
- Recording with masked identities
Cloud Telecom Infrastructure
Carrier-grade TFN, MSIP, DID numbers, and VNO services — the backbone for enterprise telephony at scale.
- TFN / MSIP / DID provisioning
- VNO (Virtual Network Operator)
- SIP infrastructure
- Pan-India coverage
Compliance & Data Hygiene
Stay TRAI-compliant and protect your sender reputation with DNC management and contact scrubbing.
- DNC Management
- Scrubber — contact list hygiene
- TRAI compliance automation
- Audit-ready reporting
Deep Dive
Built for developers.
Trusted by enterprises.
Voice APIs
Voice API, Click-to-Call & Voice Blaster
Programmatically initiate, manage, and analyze voice calls — from individual click-to-call flows to mass voice blast campaigns across thousands of recipients simultaneously.
- RESTful Voice API with real-time call controls
- Click-to-Call API — connect agent and customer instantly
- Voice Blaster for large-scale outbound audio broadcasts
- Call recording with webhook-based retrieval
- DTMF and speech recognition support
Messaging Suite
WhatsApp, SMS, RCS & Two-Way Messaging
Deliver transactional, promotional, and conversational messages across every channel your customers prefer — with a single unified API surface.
- WhatsApp Business API with rich media and template support
- SMS API and Bulk SMS with DLT-compliant routes
- RCS Messaging — rich cards, carousels, and quick replies
- Two-way messaging with webhook-based reply handling
- OTP and Verification API for user authentication
AI & Automation
AI Calling, Voice Bots & Missed Call Services
Deploy AI voice agents that hold natural conversations, qualify leads, collect payments, and route to humans — at scale, 24/7, without human intervention.
- AI Calling with NLP-driven conversation flows
- Voice Bot with intent detection and CRM integration
- Missed Call Services — trigger any workflow on missed call
- Call Tracking — attribute calls to campaigns and sources
- Automated outbound at scale — no agent required
Privacy & Infrastructure
Number Masking, TFN, DID & Cloud IPBX
Protect customer data in marketplaces and logistics platforms with virtual proxy numbers — while maintaining call quality, full recording, and cloud telephony infrastructure at carrier grade..
- Number Masking — neither party reveals their real number
- TFN, MSIP, and DID number provisioning via API
- Cloud IPBX — enterprise PBX without the hardware
- VNO services — operate as a virtual network operator
- SIP trunking with pan-India PSTN connectivity
Complete API Reference
Every API in CPaaS
20+ purpose-built APIs — production-ready, developer-documented, and enterprise-tested.
Number Masking
Virtual proxy numbers protecting both parties' privacy.
Voice Blaster
Mass outbound audio broadcast to thousands of contacts.
Voice API
Programmatic outbound and inbound call management.
Cloud IPBX
Enterprise PBX features without on-premise hardware.
TFN / MSIP / DID
Provision toll-free, MSIP, and direct inward dial numbers.
Voice Bot
NLP-powered voice agent for automated conversations.
WhatsApp API
WhatsApp Business Platform with templates and rich media.
VNO
Virtual Network Operator services for resellers and enterprises.
Call Recording
Auto-record, store, and retrieve calls via API.
DNC Management
TRAI-compliant Do Not Call registry management.
Scrubber
Automated contact list hygiene and deduplication.
SMS API
Transactional and promotional SMS with DLT support.
OTP Verification API
One-time passwords via SMS, voice, or WhatsApp.
Missed Call Service
Trigger workflows, lead capture, and verification via missed call.
Click-to-Call API
Connect web visitors to agents with a single click.
Bulk SMS
Send millions of personalized SMS messages reliably.
Call Tracking
Attribute inbound calls to marketing campaigns and sources.
2-Way Messaging
Bidirectional SMS and messaging with reply handling.
RCS Messaging
Rich cards, carousels, and interactive buttons over RCS.
AI Calling
Fully automated AI voice outreach at enterprise scale.
Ecosystem
Integrates with your existing stack
CPaaS connects to the tools your team already uses.
Start building in minutes.
Get your API keys, explore sandbox access, and ship your first communication feature today.