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Start with one real conversation: what will a caller need, what facts can your assistant use, and what should happen next? You can prepare and practice a draft before purchasing a telephone number or configuring provider keys.

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1. Create your account

Sign up for Burki, verify your email when requested, and open Assistants. Eligible new workspaces receive up to three minutes of personalized browser testing, pooled across sessions, with a two-minute maximum per call and one trial call at a time. The available allowance is shown before testing. Daily trial capacity and provider-cost limits can reduce availability; a trial is not a cash wallet credit or a free telephone number.
Existing grants and funded balances keep their own terms. Check your workspace’s allowance and billing details for what is available to your account.

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2. Prepare an unpublished draft

1

Describe your business and the call

Choose a starter such as receptionist or appointment booking, then enter the business facts and desired outcome. For example: “Northside Plumbing handles residential repairs in Boston. Capture the caller’s issue, service address, urgency and callback number. Do not quote a price or promise an appointment.”
2

Choose how to prepare it

The free starter creates editable instructions from your description. Optional AI workflow generation is a separately priced operation that requires funded usage; browser trial time does not cover it. Review its displayed price before starting.
3

Review the instructions and voice

New assistants start with the managed GPT Live preset. Read the greeting, business facts, requested information and limits on promises. GPT Live handles speech directly, so a separate STT and TTS configuration is not required for this preset. Advanced provider choices remain available where supported.

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3. Practice in your browser

Select Test this version, review the available allowance, and allow microphone access when requested. Ask a realistic question, interrupt with a correction, and check how the assistant handles information it does not know. Trial external actions are simulated and should be labeled that way. Live bookings, telephone calls, IVR exploration and stored recordings require funded usage and the relevant connections. A trial booking response is not a calendar reservation. After the call, inspect the transcript and available activity. Edit the draft and practice again with the remaining allowance. Testing an unpublished draft does not publish it.
If testing is temporarily unavailable or the allowance is exhausted, keep editing your draft. Review the reason shown in Burki before retrying or choosing prepaid usage; trial testing does not automatically turn into paid usage.

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4. Connect real callers when ready

  1. Review usage pricing and add prepaid funds through Usage & billing.
  2. Connect the actions your assistant needs. For booking, configure Cal.com and select an appointment type. Review required caller details, timezone handling and confirmation instructions.
  3. Open Phone numbers, review the available carrier route and number rental charges, and connect a number you control.
  4. Check the assistant’s Publish readiness, resolve any connection or provider errors, and publish the reviewed version.
  5. Run an authorized telephone test before directing customer traffic to it.
An assigned number alone does not prove telephone readiness. Carrier setup, credentials, available funds and the selected assistant version must all pass the checks shown in your workspace. Number rental is separate from conversation usage and may continue while a number is idle.

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5. Use the API when needed

You do not need an API key for browser practice. For an integration, open API keys in your workspace and create a key with the required access. A read-only first request lists your assistants:
Keep API keys on your server. Never place them in public browser code, share them in chat, or commit them to source control.

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Continue setting up

Assistant configuration

Review instructions, voice settings, supported actions and publishing controls.

Phone numbers

Understand number configuration before connecting callers.

API reference

Connect your application using authenticated requests.

Common questions

Find answers about trials, billing and troubleshooting.