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Retell AI use cases

Phone voice agents that answer and make calls, book appointments and transfer.

Price: Pay as you go, $0.07-$0.31/min; $10 free credit · Official pricing ↗

HappyRobot, Retell AI, VapiNewOct 2026

CMA CGM's AI voice agents resolve 46% of cargo release calls

More than 46% of cargo release enquiries are resolved by the AI agents, and about a third of 4,000 customers called by the sales agent moved on to active discussions.

Retell AI, Vapi, SynthflowSep 2026

An AI agent booked 600+ jobs a plumbing firm would have lost

Over $1M in recovered revenue and 600+ extra jobs; one month topped $200K.

Retell AI, VapiMay 2026

An AI receptionist books a plumber 5-7 extra jobs a week

5-7 extra jobs a week that would have gone to voicemail; many came from 6pm-8am calls (their own figures)

Retell AI, VapiMay 2026

A roofer who never answers his phone now books extra jobs with an AI receptionist

2–3 extra jobs a week and his best month since starting (their own figures).

Retell AI, Vapi, SynthflowMar 2026

A dental clinic got 93 bookings in month one from a bilingual voice agent

93 bookings in the first month.

Retell AI, Vapi, SynthflowMar 2026

An HVAC company booked 23 jobs in month one from after-hours calls

23 booked jobs in the first month.

Retell AI, Vapi, Synthflow

Kiwibank's phone bot cuts 1,358 reasons for calling down to 23

27% fewer calls passed between staff, and calls answered 49% faster.

ChatGPT, Retell AI, Vapi

Cars24 runs phone and chat agents for 1M+ minutes of conversation a month

AI agents handle 1M+ minutes of conversation a month.

Retell AI, Vapi, Synthflow

A Texas salon made back 13.8 times what it paid for an after-hours AI receptionist

$4,915 in new bookings from 458 calls in the first month, 13.8 times what it cost.

Retell AI, Vapi, Synthflow

A family restaurant stopped missing 35 calls a week

Missed calls went from 35 a week to zero, bookings up 47%, about $28K more a month.

Retell AI, Vapi, Synthflow, WhatsApp Business

A restaurant captures catering leads in English, Punjabi and Hindi

Catering leads up 340%, about $44K more catering revenue a month.

Retell AI, Vapi, Synthflow

Sacombank's voice agents take up to 41,000 calls a day

Up to 41,000 calls a day.

Retell AI

An AI voice agent became Boatzon's top performer

80% of calls meet its quality bar, and the rest get followed up automatically.

Retell AI

Medical Data Systems collects $280K a month with AI phone agents

About 30,000 calls a month handled and about $280K collected each month.

Retell AI

Matic's AI phone agent collects quote details so staff can focus on selling

Half of the repetitive work is automated, and collecting details dropped from 9 minutes to about 6.

Retell AI

TripleTen uses an AI voice agent to call every prospective student

Showing a branded caller name got 20% more people to pick up and sign up.

Retell AI, Vapi

An HVAC shop's AI phone agent lifted bookings from 55% to 71% of calls

71% of calls now become bookings, up from 55%. Nearly half of calls came outside business hours (their own figures).

ChatGPT, Retell AI, n8n

A missed-call text-back recovered £14,200 in a month for a small HVAC firm

£3,800 recovered in week one and £14,200 in month one, from 22+ missed calls a week (their own figures)

n8n, Retell AI, Vapi

A restaurant's voice agent took the FAQ calls and saved 20-30 staff hours a week

20-30 staff hours saved every week (their own figures)

Retell AI, Vapi

A London dentist's AI receptionist costs £47 a month

Costs about £47 a month and books appointments automatically. No revenue figures given (their own figures).