Marin
NewSoft & Natural
Light, friendly tone that sounds like a real person on the line.
Best for: Receptionist, support, conversational
Phone numbers, SMS, OTP extraction, AI voice, and cross-call memory. All in one API.
How It Works
Provision a phone number in seconds. Ask your AI agent via MCP, or hit the REST API directly. Pick country, area code, and capabilities.
Plug AgentCall into Claude Desktop, Cursor, Windsurf, or any MCP client. One URL plus an API key. 62 tools and 5 prompts auto-discover.
Optional context webhook so the inbound AI speaks with today's brief and priorities loaded. Transcripts, summaries, SMS, and OTPs flow back out to your webhook the moment they arrive.
AI Voice Calls
Your agent speaks with the AI voice you choose, and returns a full transcript. Click to preview each one. Voices marked Premium come from our higher-fidelity voice library.
Features
Use Cases
From personal AI assistants to customer service to browser automation, AgentCall enables any agent to communicate via phone.
AI answered with today's brief loaded
| AgentCall | Traditional VoIP | Enterprise Telecom | |
|---|---|---|---|
| Voice Calls | |||
| AI Voice Calls | |||
| Inbound AI Voice (incoming calls answered autonomously) | |||
| Multilingual AI Voice (31 languages: English, Spanish, French, German, Italian, Portuguese, Dutch, Japanese, Korean, Chinese, Hindi, Arabic, Russian, Indonesian, Turkish, Polish, Ukrainian, Vietnamese, Tamil, Malay, Romanian, Greek, Czech, Swedish, Hungarian, Danish, Finnish, Norwegian, Slovak, Croatian, Bulgarian, plus auto-detect) | |||
| Pre-Call Context Webhook (AI speaks with today's brief, not a static prompt) | |||
| SMS Send & Receive | |||
| Two-Way AI SMS (inbound texts answered autonomously, with real quotes from your own tools) | |||
| Relay Mode (text your own AI agent on a real number, AgentCall is the pipe) | |||
| Auto-Reads Verification Codes | |||
| End-to-End SMS Verification Testing | |||
| MCP Server: Works Inside Claude, Cursor, Windsurf (62 Tools, 5 Prompts) | |||
| Saved Outbound AI Agents Per Number (Pro: each number holds a reusable prompt and voice, Place AI Call pre-fills) | |||
| Separate Number Per Agent | |||
| Built for AI Agents | |||
| Usage-Based Pricing |
Customer Stories
“I asked Claude for voice agents — I was so frustrated with how technical setting up Twilio was, I figured someone smarter than me must've built an agent-first alternative.”
Pricing
Persistent caller memory is included on every plan. Vapi, Retell, and Bland don't ship caller-level memory. AgentCall does, on Free, Managed Pro, and BYOK Pro alike.
For getting started
Explore free. Card verification before a 72-hour live trial; no automatic subscription.
For individual developers
Plus usage. No per-seat fees.
Phone identities for AI employees
3 agent identities + monthly credits. Overage at standard rates.
Resources
Set up an AI receptionist for your small business with no code: pick a number, paste a prompt, add a transfer number, and hear it answer in minutes.
Read more →Add the AgentCall MCP server to Claude Desktop, Cursor or Windsurf in five minutes. Claude gets a real US number that texts, answers calls and reads codes.
Read more →An AI agent on Twilio cannot text US numbers until 10DLC brand and campaign registration clears. AgentCall registers for you; verified senders text same day.
Read more →Add AgentCall to your agent, no matter how it's built.
Get StartedOn Windows: %APPDATA%\Claude\claude_desktop_config.json
~/Library/Application Support/Claude/claude_desktop_config.json
Hosted server, no Node.js required. Replace ac_live_xxx with your API key.
{
"mcpServers": {
"agentcall": {
"transport": "streamable-http",
"url": "https://api.agentcall.co/mcp",
"headers": {
"Authorization": "Bearer ac_live_xxx"
}
}
}
}All 62 phone tools appear in your conversations. Then try:
"Provision a phone number and set up an AI receptionist."
Prefer plain REST? REST API Quickstart with curl examples →