Retell AI
Comprehensive platform for building, testing, deploying, and monitoring AI-powered voice agents.
About Retell AI
Retell AI offers an API that enables developers to create human-like voice agents. It provides tools to build, test, deploy, and monitor AI voice solutions at scale, with seamless integrations across multiple platforms and services.
How to Use
Use Retell AI’s API and agent builder to develop custom voice agents. Test functionalities with built-in language models. Deploy agents across phone calls, web interactions, SMS, and more. Track performance through a comprehensive call history dashboard.
Features
- Post-call performance analysis
- Automatic knowledge base synchronization
- Customizable branded caller ID
- Supports verified phone numbers
- Robust Voice AI API
- Concurrent call handling
- Batch calling capabilities
- Drag-and-drop agent builder
- Call transfer functionality
- Voicemail detection and handling
- Intuitive IVR navigation
- Automated appointment booking
Use Cases
- Debt collection calls
- Lead qualification processes
- Receptionist automation
- Customer support automation
- Customer surveys
- Appointment scheduling
Best For
Insurance companiesSoftware developersHome service providersLogistics firmsTravel and hospitality brandsProduct managersFinancial institutionsHealthcare organizationsDebt collection agenciesRetailersEngineers
Pros
- Flexible pay-as-you-go pricing
- Automatic knowledge base updates
- Multilingual voice support
- Scalable for millions of calls
- Easy integration via SIP trunking
- Compliance with SOC 2, HIPAA, and GDPR standards
Cons
- Requires engineering expertise for initial setup
- Some features like verified numbers and branded caller ID are optional add-ons
- Concurrent call limits on pay-as-you-go plan (20 calls)
Pricing Plans
Choose the perfect plan. All plans include 24/7 support.
Most Popular
Enterprise Plan
Ideal for high-volume needs (over $3k/month), custom data requirements, or dedicated support.
Get StartedFAQs
How can I create an AI voice agent with Retell AI?
Sign up for a free account on the Retell dashboard, receive $10 in free usage, then customize and connect your AI voice agent with your data and workflows.
What is the pricing structure for Retell AI?
Retell offers a pay-as-you-go model starting at $0.07 per minute, with no subscription fees. Costs vary based on voice and language model configurations, with enterprise plans offering discounted rates and dedicated support.
Can I connect Retell AI to my existing phone number?
Yes, Retell supports integration with existing telephony systems through SIP trunking, allowing seamless connection to your current phone numbers.
What technical resources are needed to get started with Retell AI?
You need one engineer for initial system integration and voice agent setup. The process typically takes a few hours to days, after which ongoing management can be handled by your team.
Does Retell AI support handling multiple simultaneous calls?
Yes. Retell supports concurrent calling, enabling your voice agents to manage multiple calls at once. The pay-as-you-go plan includes a quota of 20 simultaneous calls, with options to upgrade as needed.
Can Retell AI detect voicemails during calls?
Absolutely. Retell AI can identify voicemail responses and either terminate the call or leave a pre-recorded or dynamically generated message.
How are call minutes calculated?
Calls are rounded up to the nearest second, and the total time is billed at the end of each billing cycle based on accumulated minutes.
Will I be charged if the caller remains silent?
Yes. Charges apply based on total call duration, even if the caller does not speak, as speech recognition runs throughout the call.
How do I access and customize invoices with my company details?
Invoices are available in the billing section after payment. Ensure your company information is added before billing to include it on your invoices.