Give an AI agent a real phone line. It pays per call in USDC and proves its own identity.
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VoiceGate Overview
VoiceGate is a voice gateway built for autonomous AI agents rather than humans. Agents bring their own model and voice, and connect through a Python or Node SDK to place and receive real phone calls worldwide. Two things make it different: each agent carries a verifiable identity (KYA, aligned with ERC-8004), so the person on the other end can tell which agent is calling, and the agent settles usage itself, paying per call in USDC over x402 with no human in the billing loop. The open-source MIT SDK and the KYA trust layer are live today; the hosted call API is in private beta, from $0.06 per minute. It interoperates with standard telephony, USDC on Base and the x402 payment standard.
How to evaluate VoiceGate for voice ai agents workflows
VoiceGate is listed as a paid voice ai agents AI agent with api access. Use this page to compare its core capabilities, practical use cases, pricing model, and alternatives before adding it to your workflow.
A strong first-fit use case is Autonomous agent books appointments and confirms orders by phone, especially if your team is shortlisting voice ai agents tools for a specific operational need.
Best-fit checks before choosing:
- Confirm that paid pricing matches your expected usage volume.
- Compare VoiceGate with similar voice ai agents AI agents in the alternatives section.
- Validate the key capability: Agent pays for each call itself in USDC over x402.
VoiceGate Key Features
Agent pays for each call itself in USDC over x402
Verifiable agent identity on login (KYA, aligned with ERC-8004)
Bring your own LLM and voice via webhook
Real PSTN calls worldwide, inbound and outbound
Open-source MIT SDK for Python and Node
VoiceGate Use Cases
Autonomous agent books appointments and confirms orders by phone
Agent-to-agent voice calls where each side can verify who is calling
24/7 inbound phone reception handled by an agent
Machine-to-machine calls billed without a human account or card
Agent swarms that need a phone channel they can pay for themselves
Quick Facts
CategoryVoice AI Agents
IndustryHorizontal
AccessAPI
Pricing
Paid
StatusStandard · New
ListedJul 22, 2026
Popularity0%
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