#1
Voice & Phone Agents
Usage-based
Enterprise-scale AI phone calls for sales and support.
Bland runs AI phone agents at enterprise volume — outbound and inbound — with conversational pathways you design and guardrails for compliance. Aimed at teams replacing call-center workflows.
Visit Bland AI
#2
Voice & Phone Agents
Usage-based
Developer platform for building production phone-call agents.
Retell provides the infrastructure for AI voice agents — low-latency conversation, telephony, and monitoring — via API. The developer-grade choice when you're building calling into a product or service.
Visit Retell AI
#3
Voice & Phone Agents
From $199/mo
AI phone answering built for restaurants and local businesses.
Slang answers your business phone with a natural voice agent that handles hours, reservations, and common questions — recovering the calls you miss during a rush. Purpose-built for hospitality.
Visit Slang.ai
#4
Voice & Phone Agents
From $29/mo
No-code AI phone agents for booking, support, and lead qualification.
Synthflow builds voice agents that answer calls, qualify leads, and book appointments — configured visually, no code, with CRM and calendar integrations. Popular with agencies deploying for local businesses.
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#5
Voice & Phone Agents
Usage-based
Build, test, and deploy voice AI agents with full developer control.
Vapi is an API-first platform for voice agents: bring your own models, prompts, and tools, and Vapi handles the real-time voice pipeline. Maximum flexibility for developers building custom voice experiences.
Visit Vapi