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Retell AICustomer support

Retell AI

A voice-agent builder with templates and pay-as-you-go pricing that books, reschedules and transfers calls.

  • Price: Free plan
  • Skill needed: Some tech skills
  • 1 example on this site
Visit Retell AI

Facts checked Oct 18, 2026Price checked Oct 18, 2026 on retellai.com.

Explain it simply

Retell lets a small business put an AI on its phone line that answers questions and books appointments straight into the calendar. You start from a template, test it, and pay per minute with no contract. Anything it cannot handle is transferred to a person.

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Retell builds phone agents from templates, with call transfer, a knowledge base, batch calls and post-call analysis. Its Cal.com tools check availability, book, reschedule and cancel live during a call. Pricing is one blended per-minute estimate with per-use add-ons.

Verdicts

Use Cases

Retell AI for customer support 1

SupportVendor or secondhand (evidence grade C)

A Senior-Care Practice Books Visits by Phone With Retell; a Dental Line Can Use the Same Tools

Senior primary-care practice (Pine Park Health); dental use is our adaptation

Pine Park Health, a senior primary-care practice, runs reminders and scheduling calls on Retell; Retell's case study reports a 55.7% booking rate and +38 NPS. Retell's Cal.com tools let a dental or med-spa line book live.

  • Cost: Free plan
  • Setup: a few days
  • Skill needed: Some tech skills
Retell AICal.comLocal & serviceAutopilot
retellai.com

Best for

  • Clinics, salons and local services that want a booking line without a contract
  • Teams on Cal.com who want bookings made during the call

Watch-outs

Know before you start

  • Add-ons such as knowledge base, batch calls and PII removal cost extra per minute or per dial
  • Which plan includes a standard BAA is not clear on the pricing page; confirm before handling health data
  • Automated outbound calls need consent under the TCPA

Pricing and access

Pay-as-you-go from $0.07 to $0.31 a minute after $10 in free credits, with 20 concurrent calls free. Phone numbers are $2 a month. Enterprise is custom, with custom BAA and SSO.

Price checked Oct 18, 2026 on retellai.com. Prices and plans change; check the official site before you buy.

Facts and sources

  • Retell's docs say its Cal.com tools read and write the calendar live: "There's no synced copy of your calendar in Retell".Retell AI, Oct 18, 2026
  • The pricing page's example estimate is $0.11 a minute: LLM $0.04, Retell voice infrastructure $0.055 and telephony $0.015.Retell AI, Oct 18, 2026