Daily.co
Real-time Voice AI APIs for Developers
Developer APIs
Daily.co


Daily.co is a developer-focused platform offering robust Voice AI APIs designed for real-time, programmable audio and video experiences. Built for engineers and product teams, Daily.co enables seamless integration of advanced speech-to-text (STT), large language model (LLM), and text-to-speech (TTS) pipelines into any application. The platform is ideal for those building conversational AI, voice bots, and telephony solutions, with a strong emphasis on low latency and scalability.
With Daily.co, developers can leverage state-of-the-art Voice AI technology to create interactive, voice-driven applications across industries. The platform supports integration with leading LLMs and provides comprehensive API documentation, making it easy to deploy, manage, and scale voice-enabled products. Daily.co is trusted by startups and enterprises alike for its reliability, developer experience, and technical flexibility.
Quick facts
Tool Name
Daily.co
Website
daily.co
Category
Developer APIs
Primary Use Case
Programmable Voice AI APIs for real-time conversational applications, voice bots, and telephony integrations.
API Availablity
Comprehensive REST and WebSocket APIs available for integration.
Typical Users
Developers, AI engineers, product teams, SaaS companies, and enterprises building voice-driven applications.
What
Daily.co
Does
Daily.co provides a technical pipeline where audio input is processed through speech-to-text (STT), analyzed and responded to by a large language model (LLM), and then converted back to audio using text-to-speech (TTS). This enables real-time, interactive voice experiences that can be embedded into any application.
Developers typically build:
- Voice bots for customer support
- Real-time transcription and captioning tools
- Interactive voice response (IVR) systems
- AI-powered meeting assistants
- Telephony and call center automation
- Voice-enabled SaaS products
Key Features
Ultra-Low Latency Processing
Optimized for real-time audio streaming, Daily.co ensures minimal delay from speech input to AI response, critical for conversational applications.
Flexible LLM Integration
Supports integration with leading LLMs such as OpenAI and Anthropic Claude, allowing developers to choose the best model for their use case.
Telephony and SIP Support
Seamlessly connect to phone networks and SIP endpoints, enabling programmable voice AI in traditional telephony environments.
Scalable API Infrastructure
Robust REST and WebSocket APIs support high concurrency and global deployments, making it easy to scale voice applications.
Advanced Function Calling
Enables dynamic function calling and workflow automation within conversations, enhancing the intelligence of voice bots and assistants.
Common Use Cases
Healthcare Intake Automation
Automate patient intake and triage with conversational voice bots integrated into telehealth platforms.
Financial Services IVR
Deploy secure, AI-powered IVR systems for banking and insurance customer support.
E-commerce Voice Assistants
Enhance online shopping with voice-enabled product search and customer service bots.
Scalable API Infrastructure
Provide real-time transcription and voice interaction for virtual classrooms and online learning platforms.
Call Center Automation
Streamline call routing and automate common support queries with programmable voice AI.
Call Center Automation
Streamline call routing and automate common support queries with programmable voice AI.
Alternatives
Smallest AI
Visit
AGI agents under 10B parameters for ultra-fast, accurate speech and text conversations.
Scale to billions of enterprise interactions with minimal latency
Frequently Asked Questions
What LLMs does Daily.co support?
Daily.co supports integration with leading large language models, including OpenAI's GPT series and Anthropic Claude, giving developers flexibility in model selection.
How does Daily.co handle latency for real-time applications?
The platform is engineered for ultra-low latency, ensuring rapid speech-to-text and text-to-speech processing for seamless conversational experiences.
Is there API access for developers?
Yes, Daily.co provides comprehensive REST and WebSocket APIs, complete with detailed documentation and SDKs for easy integration.
Can Daily.co integrate with telephony systems?
Daily.co offers built-in support for telephony and SIP endpoints, enabling developers to build programmable voice AI solutions for traditional phone networks.
