📱 Twilio
AI Agents That Integrate With Twilio
The telephony layer under most voice agents — bring a number, route calls, send SMS. These 5 agents connect to Twilio natively — no glue code required.
| # | Agent | Score | Autonomy | Best for | From |
|---|---|---|---|---|---|
| 1 | ElevenLabs Agents | 4.3★★★★★ | Fully autonomous | Voice | Free tier |
| 2 | Decagon | 4.1★★★★★ | Fully autonomous | Customer Support | Custom pricing |
| 3 | Vapi | 4.1★★★★★ | Fully autonomous | Voice | Free tier |
| 4 | Ada | 4.0★★★★★ | Fully autonomous | Customer Support | Custom pricing |
| 5 | Retell AI | 4.0★★★★★ | Fully autonomous | Voice | Free tier |
by ElevenLabs
Conversational voice agents built on the most natural-sounding speech synthesis available.
Decagon
by Decagon
Enterprise AI support agents built around measurable resolution rates and auditable behaviour.
Vapi
by Vapi
A developer-first voice agent platform where every layer of the pipeline is swappable.
Ada
by Ada Support
A long-established customer service automation platform, rebuilt around reasoning agents and resolution scoring.
by Retell AI
Production-focused voice agents with call-centre features built in, aimed at operators rather than developers.
Our pick
ElevenLabs Agents is our top choice here
ElevenLabs built the voice synthesis that most other voice agents license, then built an agent platform on top of it. The practical consequence is that its agents sound better than the competition — not marginally, but in a way callers notice, with natural prosody, appropriate pauses and emotional range that does not read as synthetic within the first sentence.
- The best-sounding voice agents available
- Excellent interruption and turn-taking behaviour
- 70+ languages from one brand voice
- Free tier adequate to judge quality yourself
FAQ
Frequently asked questions
Which AI agent works best with Twilio?
ElevenLabs Agents is the highest-scoring option that supports Twilio, at 4.3/5. Conversational voice agents built on the most natural-sounding speech synthesis available.
How do I connect an AI agent to Twilio?
It varies by product, but the pattern is consistent. For ElevenLabs Agents: Attach a Twilio number for inbound and outbound calling, or embed the widget for web.
Is it safe to give an AI agent access to Twilio?
Grant the narrowest scope that works — read-only where possible, and a dedicated service account rather than a personal one. Prefer agents that log every action they take and support an approval step before anything destructive or externally visible. Review those logs for the first few weeks rather than trusting the setup by default.
Do I need a paid plan to use the Twilio integration?
Often, yes. Several vendors gate third-party integrations behind mid-tier plans even when the agent itself has a free tier. Check the specific tier on each agent's review page before assuming your plan covers it.