Which is the best phone number provider for AI Voice Agent apps — Twilio, Vonage, or Telnyx?
Hey everyone 👋
I’m building an AI voice agent platform that serves local business owners — roofers, solar companies, and other service businesses. The agent will make and receive real phone calls using virtual numbers (US-based).
Right now, I’m comparing Twilio, Vonage, and Telnyx for:
  • 📞 Call quality & reliability
  • ⚙️ Integration with AI voice systems (like VAPI, GPT-based agents)
  • 💸 Cost efficiency (per-minute rates, number rentals, etc.)
  • 🧰 Developer experience & support
If you’ve used any of these for real-time AI calling or voice automation, which one gave you the best overall experience?
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Ravi Mori
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Which is the best phone number provider for AI Voice Agent apps — Twilio, Vonage, or Telnyx?
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