Description
Hail is a comprehensive communication platform designed for AI agents, enabling them to manage phone calls, SMS, and email through a single API. It supports integration with popular AI frameworks like Claude, ChatGPT, and others, allowing AI assistants to make and answer calls, send and receive texts, and manage emails efficiently. Hail offers a pay-as-you-go pricing model, where users add credit and pay for the communication services they use, without any subscription fees. The platform provides phone numbers in over 120 countries, with some requiring documentation for purchase. Users can also send emails from their own domain without additional fees.
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Hail is open source under the AGPL license, allowing users to host it themselves or use Hail's cloud service. The platform is designed for developers and teams looking to integrate communication capabilities into their applications, services, or workflows. It offers a REST API, CLI, and MCP server for seamless integration, and supports various agent frameworks like LangGraph, CrewAI, and OpenAI Agents SDK.
The platform's pricing is transparent, with charges based on usage: $0.10 per minute for voice calls, $0.018 per text segment within the US, and $0.001 per email. Dedicated phone numbers have a monthly rental fee, with prices varying by country. Hail also provides tools for estimating usage and checking setup before integration.
Hail is ideal for backend developers, teams building support and operations workflows, and engineering teams that prefer self-hosting options. It offers a robust solution for managing communications, ensuring that AI agents can efficiently handle interactions across multiple channels.
- CategoryAI Agent Builders
- Pricing ModelPay-as-you-go
- DeploymentCloud and self-hosted
- PlatformsWeb
Hail's Core Features
Unified communication platform
Integration with AI frameworks
Pay-as-you-go pricing
Phone numbers in 120+ countries
Open source under AGPL license
REST API, CLI, and MCP server
Transparent pricing model
Self-hosting option available
How to use Hail?
Configure: Connect your AI assistant or application
Use: Make calls, send SMS, and manage emails
Optimize: Track usage and adjust settings as needed
Hail's Use Cases
- AI Agent Communication
- Backend Integration
- Support Workflows
- Self-Hosting
- Global Communication
