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AgentLine

AgentLine provides phone numbers, voice calling, and SMS for AI agents through a hosted service or an MIT-licensed self-hosted stack.

Freemium · Web, API

What is AgentLine?

AgentLine is a telephony tool for AI-agent developers that enables agents to make and receive phone calls and send and receive SMS. It provides phone numbers and call transcriptions through a hosted service or an MIT-licensed self-hosted stack. AgentLine can be integrated through a Python SDK, Node.js, REST API, or MCP. Its stated use cases include personal assistants, voice task runners, customer support, sales outreach, and feedback collection.

Key Features of AgentLine

AgentLine combines agent-accessible telephony with hosted and self-hosted deployment options. Its documented interfaces include a REST API, SDKs, and MCP.

  • Provides phone numbers for AI agents
  • Supports making and receiving voice calls
  • Supports sending and receiving SMS
  • Offers integration through a Python SDK
  • Lists a Node.js integration
  • Provides a REST API with documentation at https://docs.agentline.cloud/
  • Supports integration through MCP
  • Provides access to call transcriptions
  • Offers a hosted service and an MIT-licensed self-hosted stack
  • Supports text and audio

Who Should Use AgentLine?

AgentLine is aimed at developers building voice-enabled AI agents. Its listed applications cover personal and business communication tasks involving phone calls or SMS.

  • Developers building AI agents that need phone numbers, voice, or SMS
  • Personal-assistant projects that use phone-based tasks
  • Voice task runners that place or receive calls
  • Customer-support and sales-outreach workflows
  • Feedback-collection systems that communicate by phone or SMS

How to Use AgentLine

Developers can use AgentLine as a hosted service or deploy its MIT-licensed stack themselves. The documented integration options are Python, Node.js, REST API, and MCP.

  1. Choose the hosted service or the self-hosted stack.
  2. Consult the API documentation at https://docs.agentline.cloud/.
  3. Connect through the Python SDK, Node.js integration, REST API, or MCP.
  4. Configure the agent to use a phone number for calls or SMS.
  5. Use call transcriptions where required by the workflow.

AgentLine Pricing & Plans

The supplied pricing information identifies a free tier and a Basic plan at $20 per month. Usage is priced at $0.12 per minute, and texts are listed at $0.02 each. No amount of free usage or free credits is specified; the metadata lists $0.00 in credits for first use.

  • Free tier: available; included usage is not specified
  • Basic plan: $20/month
  • Call usage: $0.12 per minute
  • Texts: $0.02 each
  • Free credits: $0.00 for first use

Pros

  • Supports both voice calls and SMS for AI agents
  • Provides multiple integration routes: Python SDK, Node.js, REST API, and MCP
  • Offers an MIT-licensed self-hosted stack as well as a hosted service
  • Includes access to call transcriptions
  • Publishes specific usage prices: $0.12 per minute and $0.02 per text

Cons

  • The free tier's included minutes, texts, and limits are not specified
  • The listed first-use free-credit amount is $0.00
  • Call usage is charged at $0.12 per minute in addition to the $20/month Basic plan
  • Data retention is listed as 90 days
  • The supplied information does not specify carrier coverage, supported countries, or call-volume limits

AgentLine vs Competitors

AgentLine is described as an MCP-integrated telephony service with an MIT-licensed self-hosted option. The supplied comparisons distinguish it from tools centered on MCP phone actions, broader communication infrastructure, or voice-call orchestration.

AgentLine

Freemium · Web, API

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