Burki offers straightforward pricing with no hidden fees. Pay only for what you use, with generous free trial credits to get started.Documentation Index
Fetch the complete documentation index at: https://docs.burki.dev/llms.txt
Use this file to discover all available pages before exploring further.
Platform Fees
Every customer pays a simple platform fee based on usage:| Service | Platform Fee |
|---|---|
| Voice Calls | $0.03 per connected minute |
| SMS Messages | $0.001 per segment |
Connected minutes are billed only when a call is actually answered. If a call isn’t connected, you’re not charged.
Two Ways to Use Burki
Burki Cloud
Fully managed - We handle everything
- Platform fee + pass-through costs + 15% managed fee
- No API keys to manage
- Automatic provider selection
- Best for: Teams who want simplicity
BYO (Bring Your Own)
Use your own API keys
- Platform fees only
- You pay providers directly
- Full control over costs
- Best for: Teams with existing provider accounts
Burki Cloud Pricing
When using Burki Cloud, we manage all AI providers for you:| Component | How It’s Billed |
|---|---|
| Platform Fee | 0.001/segment (SMS) |
| Carrier Costs | Pass-through at cost |
| LLM (OpenAI, Anthropic, etc.) | Pass-through at cost |
| STT (Deepgram, Azure) | Pass-through at cost |
| TTS (Cartesia, ElevenLabs) | Pass-through at cost |
| Managed Service Fee | +15% on all pass-through costs |
| Phone Numbers | $1.00/month (prorated daily) |
Example: 5-minute Burki Cloud call
Example: 5-minute Burki Cloud call
| Fee Type | Calculation | Amount |
|---|---|---|
| Platform Fee | 5 min × $0.03 | $0.15 |
| Carrier Pass-through | Vonage cost | $0.10 |
| LLM Pass-through | OpenAI cost | $0.10 |
| STT Pass-through | Deepgram cost | $0.25 |
| TTS Pass-through | Cartesia cost | $0.50 |
| Managed Fee (15%) | (0.10 + 0.50) × 15% | $0.14 |
| Total | $1.24 |
BYO (Bring Your Own) Pricing
When you bring your own API keys, you only pay platform fees:| Component | How It’s Billed |
|---|---|
| Platform Fee | 0.001/segment (SMS) |
| All AI Providers | You pay directly (not through Burki) |
Example: 5-minute BYO call
Example: 5-minute BYO call
| Fee Type | Calculation | Amount |
|---|---|---|
| Platform Fee | 5 min × $0.03 | $0.15 |
| LLM/STT/TTS/Carrier | Paid directly to providers | $0.00 |
| Total to Burki | $0.15 |
Hybrid Mode
Mix and match! Use your own keys for some services while letting Burki manage others.Example: BYO LLM + Managed STT/TTS (5-minute call)
Example: BYO LLM + Managed STT/TTS (5-minute call)
| Fee Type | Calculation | Amount |
|---|---|---|
| Platform Fee | 5 min × $0.03 | $0.15 |
| LLM (BYO) | User pays OpenAI directly | $0.00 |
| STT Pass-through | Deepgram cost | $0.25 |
| STT Managed Fee | $0.25 × 15% | $0.04 |
| TTS Pass-through | Cartesia cost | $0.50 |
| TTS Managed Fee | $0.50 × 15% | $0.08 |
| Total to Burki | $1.02 |
The 15% managed fee only applies to services that Burki manages. BYO services have no managed fee.
Free Trial
Start building immediately with generous free credits:200 Connected Minutes
Your unified trial bucket covers your first 200 connected minutes
Managed Costs Covered
For Burki-managed usage, provider pass-through is absorbed while trial minutes remain
Free Number
Trial phone number free for 30 days
What’s Included in Trial
| Credit Type | Amount | Who Gets It |
|---|---|---|
| Connected-minute trial | 200 connected minutes | New accounts |
| Managed provider coverage | Uses the same 200-minute trial bucket | Accounts using Burki-managed providers |
| Trial Phone Number | 30 days free | Eligible trial accounts |
During the free trial, Burki uses a single trial-minute bucket. Those minutes waive platform fees and, for Burki-managed usage, absorb managed AI and carrier pass-through while minutes remain.
Wallet & Payments
Burki uses a prepaid wallet system:- Add funds via credit card (Stripe)
- Auto top-up available to never run out of credits
- Real-time balance visible in your dashboard
- Detailed usage breakdown by call, assistant, and service
Minimum Balance Requirements
After trial minutes are exhausted, calls require enough wallet balance to cover at least one billable platform minute. Managed pass-through costs and managed service fees are deducted as usage is rated.Frequently Asked Questions
How is voice call duration calculated?
How is voice call duration calculated?
We bill based on connected minutes only. Time is calculated from when the call is answered until it ends. Any non-zero connected call is billed as at least 1 minute, and longer calls round up to the next full minute. Unanswered calls are not billed.
What counts as an SMS segment?
What counts as an SMS segment?
A standard SMS segment is 160 characters. Messages longer than 160 characters are split into multiple segments. We use the carrier’s reported segment count.
Can I switch between BYO and Burki Cloud?
Can I switch between BYO and Burki Cloud?
Yes! You can change your configuration at any time from the dashboard. You can even use hybrid mode with some services on BYO and others on Burki Cloud.
What happens when my trial ends?
What happens when my trial ends?
Your account continues to work - you’ll just start being charged for usage. Add funds to your wallet before the trial ends to ensure uninterrupted service.
Is there a monthly minimum or commitment?
Is there a monthly minimum or commitment?
No. Burki is pure pay-as-you-go. No monthly minimums, no long-term contracts. Pay only for what you use.
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