CPaaS / Communication APIs
Build Your Own Communication Platform
Programmable voice, SMS, and video APIs that let you embed real-time communication into any application. We engineer the full CPaaS stack so you can focus on building your product.
Programmable Voice
Full-featured voice APIs that let developers embed calling into any application. From simple click-to-call to complex IVR flows, your customers get carrier-grade voice without managing telephony infrastructure.
- Outbound and inbound call control APIs
- Call recording, transcription, and storage
- Conference calling with moderation controls
- SIP interconnection and PSTN termination
- Call flow builder with webhook callbacks
- Real-time call events and status updates
SMS and Messaging
Programmable messaging APIs supporting SMS, MMS, and rich messaging channels. High-throughput delivery with intelligent routing, delivery receipts, and compliance tooling built into every message.
- High-throughput SMS and MMS delivery
- Two-way messaging with webhook callbacks
- Short code and long code provisioning
- Toll-free number verification
- Campaign management and opt-out handling
- Delivery receipts and analytics
Video Communication
WebRTC-based video APIs for building real-time video experiences. Group video rooms, recording, screen sharing, and adaptive quality that works across browsers and devices without plugins.
- Peer-to-peer and SFU-based video rooms
- Screen sharing and content presentation
- Cloud recording and composition
- Adaptive bitrate and quality management
- Virtual backgrounds and noise suppression
- Cross-browser and mobile SDK support
Number Management
Comprehensive number lifecycle APIs for searching, provisioning, porting, and managing phone numbers across global markets. Automated compliance and regulatory handling for each jurisdiction.
- Global number search and provisioning
- Number porting automation
- Regulatory bundle management
- E911 and emergency services compliance
- Number inventory and lifecycle tracking
- Multi-country coverage and local presence
Platform Architecture
Full-Stack CPaaS Engineering
We build every layer of your communication platform, from the API gateway your developers interact with down to the carrier interconnections that carry the traffic.
API Gateway and Authentication
Rate limiting, API key management, OAuth2 authentication, usage metering, and developer portal with interactive documentation.
Communication Engine
Core signaling and media processing built on FreeSWITCH and OpenSIPS with SIP, RTP, and WebRTC protocol handling at carrier scale.
Carrier Interconnection
Multi-carrier SIP trunk management, intelligent routing, failover, and least-cost routing across global PSTN and mobile networks.
Billing and Usage
Real-time usage tracking, prepaid and postpaid billing, rate plan management, and revenue reporting with sub-second CDR processing.
Developer Experience
SDKs for Python, Node.js, Java, and more. Interactive API explorer, code samples, webhooks, and sandbox environments for testing.
Infrastructure and Ops
Kubernetes-orchestrated deployments across multiple regions with automated scaling, monitoring, and disaster recovery.
Developer Experience
APIs Your Developers Will Love
A great CPaaS platform lives or dies on developer experience. We build intuitive REST APIs, comprehensive SDKs, and interactive documentation that accelerate adoption and reduce time to integration.
- RESTful APIs with consistent, predictable conventions
- Server SDKs for Python, Node.js, Java, PHP, Ruby, and Go
- Client SDKs for JavaScript, iOS, and Android
- Interactive API explorer with sandbox environments
- Webhook management with retry and debugging tools
- Comprehensive code samples and quickstart guides
// Make an outbound call
const call = await client.calls.create({
to: "+14155551234",
from: "+14155556789",
callbackUrl: "https://your-app.com/events",
record: true,
});
console.log(call.sid);
// => "CA1234567890abcdef"Use Cases
Powering Communication Across Industries
UCaaS Providers
Build a complete unified communication platform with voice, video, messaging, and presence on your own branded infrastructure.
Healthcare
HIPAA-compliant communication APIs for telehealth, appointment reminders, patient notifications, and care coordination workflows.
Financial Services
Secure, auditable communication channels for transaction notifications, two-factor authentication, and customer service automation.
E-Commerce and Logistics
Order notifications, delivery tracking updates, customer support automation, and real-time communication between drivers and customers.
Education
Virtual classroom infrastructure with video, voice, and messaging APIs for student engagement and administrative communication.
SaaS Platforms
Embed calling, messaging, and video directly into your SaaS product to increase engagement and reduce churn.
Ready to Launch Your Communication Platform?
From API design to carrier interconnection, we build the complete CPaaS stack.