Twilio’s machine_detection add-on costs ~$0.0075 per answered call and only works if you run your calls on Twilio. AMDY does answering machine detection acoustically for $0.00025–$0.00010 per detection, keeps your existing carrier, and adds honeypot detection and 23 reports Twilio doesn’t have. Free to try.
The best Twilio AMD alternative is AMDY, an answering machine detection (AMD) service that runs on your own carrier. Twilio AMD is an add-on that costs about $0.0075 per answered call. It only works when your calls run on Twilio. AMDY costs $0.00025 down to $0.00010 per detection, which is 30 to 75 times cheaper. It classifies the sound of what answered in about 1/8 of a second. Accuracy is 99%, measured across roughly 2.3 billion processed calls. You keep your existing carrier, with no re-platforming. AMDY also detects false answer supervision (FAS), where a carrier bills a call as connected when nobody answered. It flags honeypot numbers set up to catch dialers and provides 23 analytics reports. Install is one command on Vicidial, Asterisk, or FreeSWITCH, and any other dialer connects through the API. Start free with 50,000 detections per month.
Twilio pricing shown is Twilio’s published Enhanced Answering Machine Detection rate (~$0.0075 per answered call) as of 2026; Twilio AMD requires placing calls through Twilio Voice (Calls/Participants API or <Dial>). Twilio is a trademark of Twilio Inc.; AMDY is not affiliated with or endorsed by Twilio. Verify current pricing and capabilities with Twilio.
50,000 detections a month on the Sandbox plan, no card, no telephony migration. Keep your carrier, run AMDY on your own calls, and compare the cost.