The Leading Conversational AI Voice Agent
Deploy fully autonomous, production-grade AI voice agents capable of synchronous speech processing, low- -latency inference, and dynamic response generation across telephony pipelines.
Trusted by 1000+ startups & enterprises
Advanced AI Agent Capabilities
Here's what sets our agents apart
Dynamic Knowledge Base Synchronization
Seamlessly auto-sync with structured and unstructured data sources to keep your AI agents up-to-date with the latest information using real-time indexing and retrieval mechanisms.
Intelligent Call Transfer Protocol
Enable context-aware call escalation through intelligent warm transfer logic, preserving session history and metadata for a frictionless handoff to human agents or external endpoints.
Voice-Based Scheduling
Enable your AI agents to communicate in multiple languages, ensuring customer support in their preferred language.
Custom Language Models
AI agents tailor voice interactions by training on domain-specific vocabulary and accents, improving comprehension and accuracy in complex conversations.
Human transfer
Empower your AI with smart escalation triggers that transfer calls to live agents based on context, urgency, or user sentiment, ensuring a personalized experience.
Knowledge Integration
Connect your AI with enterprise systems to pull insights and data in real time, enabling accurate responses and context-rich support at every interaction.
Use cases
Power Your Business with
AI-Enhanced Voice Automation

Arabic

Spanish

German

Tamil
Automatic Speech Recognition
0:15/10:37
Call Recording
Build
Construct highly-configurable AI voice agents utilizing :
ASR (Automatic Speech Recognition) with real-time decoding
NLP-driven Intent Parsing and Contextual Slot Filling
IVR Tree Traversal Logic integrated with Knowledge Graphs
Stateful Dialogue Management for persistent session handling
Webhook-Driven Dynamic Flows with real-time data enrichment
Deploy
Scale deployments with full-stack telephony infrastructure:
Programmable SIP Interfaces for trunking and call origination
Verified CNAM Registration for branded caller identity
High Throughput Batch Execution Engine for outbound campaigns
Omnichannel Telephony API Endpoints (Twilio, Vonage, SIP)
AI Agent Routing Layer with multi-tenant call load balancing

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Monitor
Ensure observability and QA through:
Post-Call Transcription Pipelines with sentiment tagging
Call Success Classifiers driven by ML models
Agent Behavior Replay with Time-Stamped Logs
Integration with APM & Logging Tools (Datadog, ELK stack)
Integrations
Seamless Integrations
Effortlessly connect with leading platforms and APIs to enhance automation, communication, and customer engagement.
Build Enterprise-grade Agents At scale
Empower your business with AI-driven agents designed for performance and reliability. Scale effortlessly while delivering natural, real-time interactions across the globe.
Fully Compliant Platform
Callupgrade.ai is HIPAA, and GDPR compliant, meeting all industry compliance standards.
Reliable and Stable Platform
With 99.99% average uptime and seamless fallback, Callupgrade.ai keeps your agents consistently production-ready and operating without disruption.
Voice AI API
With just 500ms latency, our API delivers natural, flowing, and emotionally aware voice interactions—ideal for real-time applications.
Effortless Scalability
Easily manage millions of calls with built-in support for high-volume concurrent calling—no extra setup needed.
Multilingual Support
Communicate globally with support for 40+ languages and the ability to dial phone numbers in any country.
Start building your AI agents today
Join the Future of AI Voice Technology
Use cases
One solution, unlimited use-cases
Here's what sets our agents apart
Inbound calls
Outbound calls
Support calls
AI Receptionist
Greet, route & qualify leads in real-time.
Customer Query Handler
Auto-answer common product or service questions.
Healthcare Clinic
Facilitate telemedicine, maintain patient records, and support billing inquiries.
Conversations Roleplay
Practice active listening and response.
Mock Interviews
Simulate real-time queries during calls.
Digital Employees
Answer routine inbound request automatically
Pricing
ApiFlow costs $0.10 per minute
Pay only for what you use. You can estimate your monthly bill using the calculator below.
ApiFlow cost estimator
Calls per month (100)
Average Call duration (12 Mins)
$120
Total cost per month
Real Stories. Real Impact. See how Callupgrade.ai is transforming customer interactions with intelligent automation.
Security & Compliance
HIPAA and GDPR Alignment
Real-Time DNC Compliance Filters
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Spam Call Detected
Audit Logs and Access Controls via IAM integrations
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Customer stories
Learn how business from different industries are using our platform to automate processes.
How businesses are using Callupgrade.ai
Retail
Healthcare
Realestate
AI Startups
"Integrating CallUpgrade.ai's AI voice API into our stores has been a game-changer. We've reduced our operational costs by 40% and significantly enhanced the shopping experience for our customers. "
Jack Jones
CTO at BigCompany
Enhancing Customer Experience and Reducing Costs with CallUpgrade.ai
A leading retail chain integrated ApiFlow's AI voice API to provide voice-activated assistance in their stores. This technology allowed customers to easily find products, check prices, and get personalized recommendations.
FAQs
Questions? We got answers
Empower your business with AI-driven agents designed for performance and reliability. Scale effortlessly while real-time interactions across the globe.
Can the AI handle complex customer queries?
Does CallUpgrade integrate with CRM systems?
Is customer data secure with CallUpgrade?
Do you offer a free trial?
What kind of insights does the platform provide?