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Platforms · Retell

Retell AI agents, built and shipped for you

taritas builds you a Retell voice agent on your own Retell account, and you own it outright with no recurring platform fee from taritas. Work on Retell starts at $750, from a single integration like calendar booking on an agent you already run, up to a full agent built on your account.

Talk to us about a Retell build Offer it under your brand
What we build

Point fixes and full builds.

From a single integration on an agent you already run, to a full agent built on your own account. Work on Retell starts at $750.

  1. Appointment booking that gets the date and time zone right. Reliable calendar booking on Google Calendar, built as a custom function that handles the relative dates and time zones the platform gets wrong on its own. It is the job our most-read engineering post walks through end to end.
  2. CRM and pipeline write-back. The agent logs call outcomes and captured leads into your CRM, such as GoHighLevel or HubSpot, during or after the call.
  3. Warm transfer to a person, with context. Route the call to a live person, with the conversation so far, when the agent reaches its limit.
  4. Outbound campaigns. Speed-to-lead callbacks, appointment reminders, and lead reactivation, wired to fire from your systems rather than a manual CSV upload.
  5. Inbound AI receptionist. A full agent that answers every call, qualifies, books, and hands off to a person when the call needs one.
  6. Post-call data, QA, and monitoring. Structured post-call data capture, quality scoring, and monitoring, so you can see what happened on every call before problems reach a customer.
  7. Compliance setup. PII redaction, safety guardrails, and retention settings configured and documented for your security review.
  8. Telephony setup, including international numbers. Phone numbers and call routing, including numbers outside the US and Canada via Twilio SIP, which the platform does not offer natively.

Optional ongoing management once you are live: monitoring, tuning, and updates.

You own your Retell account and pay Retell directly for usage. We do not mark up your minutes.

Build vs buy

When Retell is not the last agent you need.

We recommend the platform when it fits, and we say so upfront. A Retell build that you own outright is often the honest answer, and we would rather point you to it than sell you something larger.

The custom track is a separate, larger engagement, for when requirements outgrow what a platform can do: your own cloud and region, commercial or open-source models, and no per-minute platform lock-in.

If you are weighing the two, our build vs buy write-up walks through a real project where the answer was to delete layers, not add them, and the enterprise page covers the residency, audit, and SLA side of a custom build.

One spectrum

From one integration to a full agent.

From one integration to a full agent on Retell A spectrum of Retell work from small to large. At the small end, a single integration such as calendar booking added to an agent you already run, starting at $750. At the large end, a full agent built on your own Retell account, covering agent configuration and prompts, telephony on Twilio or Azure, and a knowledge base, which you own. Work in between is scoped to the job. ONE INTEGRATION add to an agent you run EXISTING RETELL AGENT ADD ONE CAPABILITY E.G. CALENDAR BOOKING FROM $750 SCOPED FULL AGENT new agent, your account AGENT CONFIG + PROMPTS TELEPHONY: TWILIO / AZURE KNOWLEDGE BASE YOU OWN IT
One spectrum, not two products. It runs from a single integration on an agent you already run, from $750, to a full agent built on your own account that you own.
For partners

Resell Retell under your own brand.

Partners resell this Retell build to their own clients under their own brand. You keep the client and the contract; the IP transfers to you or your client as standard work for hire; and taritas stays externally invisible by default. We never contact your clients directly.

How the partner channel works, including published pricing and the margin model.

Proof

Retell work that ships and stays live.

Both of these are Retell voice agent projects. They stay unnamed by design, because partners own their client relationships, and the calendar booking build above is public, shipped Retell work you can read end to end.

Supreet and team were very professional and delivered a high quality project for us. Very responsive and communicated well. Would recommend his services for any voice AI related infrastructure projects.
Recruitment platform engineering team
10/10 Extremely knowledgeable and amazing with response time and customer service. Highly recommend.
US property client
FAQ

Questions buyers ask before a Retell build.

What does taritas charge to build a Retell AI agent?

Work on Retell starts at $750, whether that is a single integration on an agent you already run, such as calendar booking, or a full agent built on your own account that you own outright with no recurring fees from taritas. Larger builds are scoped to the job, so tell us what the agent needs to do and we will quote it.

Do I own the agent, or does taritas?

You do. The build runs on your own Retell account and you own it outright. IP transfers to you or your client as standard work for hire; taritas keeps only its internal frameworks, prompt libraries, and integration templates.

What is the difference between a Retell build and a custom voice AI build?

A Retell build is a platform build on your own account, and it is often all you need. A custom build is fully custom on your choice of cloud and region, with commercial or open-source models and no per-minute platform lock-in, for when requirements outgrow what the platform can do. We recommend the platform when it fits and say so upfront.

Can you add Google Calendar booking to a Retell agent I already have?

Yes. Retell has no one-click Google Calendar booking, so we build it as a custom function: the agent calls a webhook on your backend during the call, and your backend talks to the Google Calendar API. The production details that decide whether it holds on a real phone line are latency, idempotency, and time zones, which our most-read engineering post walks through.

Can I offer this to my own clients under my own brand?

Yes. Most of our work ships under partners’ brands. You keep the client, the contract, and the brand; the IP transfers to you or your client as standard work for hire; and we never contact your clients directly.
Next step

Tell us what the call needs to do.

Thirty minutes, a straight answer on whether a Retell build is all you need, and a fixed scope if it is. Buying for your own clients? We build it under your brand.

Talk to us about a Retell build Offer it under your brand

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