The simplest way to run customer support.
AI answers the routine questions on your own key, for about 3¢ each instead of $0.99. Your team handles the rest.
Free 30-day trial, no card, no contract. One flat price per agent, AI uncapped.
Most helpdesks charge you every time their AI does its job
The model behind a support answer costs cents. Everything above that is markup, billed per answer, so the better the AI gets, the more you pay.
On top of seats. A resolution, a hand-off to a human and a disqualification each bill the same.
An add-on on top of seats. Drafting and summarising are included; the chatbot that answers customers is metered.
On a committed volume, on top of seats. Pay-as-you-go resolutions bill $2.00 each.
Vendor pricing pages, verified 2026-08-07 (Zendesk 2026-10-13). Kerux adds nothing to your AI bill: you pay your provider directly.
What the difference looks like
A 10-agent team whose AI handles 1,500 conversations a month. Same answers, three bills.
| Per month | Intercom Fin | Help Scout AI Answers | Kerux, your key |
|---|---|---|---|
| AI fees | $1,485 | $1,125 | ~$45 |
| Seats | their seat price | their seat price | $490 ($49/agent, Growth) |
| The bill grows with | every AI answer | every AI answer | your headcount only |
AI fees = 1,500 × the vendor's published rate. Kerux's ~3¢ is a measured cost on a small, fast model, paid to your provider; it runs 1–5¢ depending on model and ticket length. Seat prices differ by vendor and plan.
Everything a support team needs, nothing it doesn't
Three parts, one calm app, one flat price per agent.
Every conversation in one calm place
- ✓Shared inboxes on your own domain, with per-agent send-from addresses
- ✓Routing by category to a person, a rotation, or whoever is least busy
- ✓Workflows that tag, assign and route on arrival
- ✓Saved replies with customer variables, notes and @mentions
Answers the routine, hands off the rest
- ✓Answers from your help center, above the confidence bar you set
- ✓Every hand-off to a person comes with a note on why
- ✓Writing tools in the reply box, and a one-click thread summary
- ✓Your key, any of the major providers, the model you choose
See what the AI did, next to your team
- ✓Answers, closes, satisfaction and first-reply time, AI vs team
- ✓What your AI actually cost per answer, next to the metered price
- ✓A rating request on every reply, with the comment
- ✓AI recommendations and a weekly digest (Growth and up)
Your number, not ours
Drag to your volume and your provider's rate. The result is what metered AI billing costs you every year.
Pennies with your own key. A short support reply is a few hundred tokens. Drag to match your provider.
Compares metered per-outcome AI billing to bringing your own key. Seat pricing is separate and flat either way. Intercom bills at most one outcome per conversation.
Up and running in three steps
New conversations arrive the moment forwarding is on. Sending from your own domain needs a few DNS records; most verify within the hour, though DNS can occasionally take up to 48 hours.
Fin bills $0.99 per outcome. On Kerux the same answer costs about 3¢ on your own key.
- 1. Forward your support address and add the DNS records
- 2. Import your help articles as Markdown files
- 3. Connect your AI key and pick a model
AI agents bill $1.50 per automated resolution, on top of seats. On Kerux the AI is uncapped.
- 1. Forward your support address and add the DNS records
- 2. Import your help articles as Markdown files
- 3. Connect your AI key and pick a model
Keep the address your customers already use. Forward it to Kerux and replies still go out from it.
- 1. Forward your support address and add the DNS records
- 2. Import your help articles as Markdown files
- 3. Connect your AI key and pick a model
Why Kerux exists
We built Kerux after reading two numbers side by side. Intercom's pricing page: $0.99 every time Fin produces an outcome, on top of seats. Then we ran a real support answer through a small, fast model on our own key: about 3¢. Same answer. The gap wasn't the AI, it was the meter. So we built the helpdesk the other way round: the AI runs on a key you own, and the only thing you pay us for is seats.
Simple, flat pricing
One price per agent, no usage fees. The AI runs on your own key on every plan.
or $24/mo billed annually, 2 months free
For small teams putting AI on the routine questions.
Start free 30-day trial- AI answers from your help center
- Hand-offs to your team, with a note on why
- AI writing tools and thread summaries
- Help center, ticket form and live chat
- 2 shared inboxes
- 2 verified sending domains
- Slack, Shopify, Linear, Jira and Claude
- Workflows, saved replies and an SLA target
or $41/mo billed annually, 2 months free
For growing teams with several inboxes and a queue to share.
Start free 30-day trialEverything in Basic, plus
- 5 shared inboxes
- 5 verified sending domains
- Round-robin assignment
- Custom fields on tickets
- Weekly AI performance digest
- AI recommendations on what to fix next
- API access and SLA targets per priority
- Priority support
or $66/mo billed annually, 2 months free
For multi-brand teams running support at volume.
Start free 30-day trialEverything in Growth, plus
- Unlimited shared inboxes
- Unlimited verified sending domains
- Load-balanced routing
- All-time reporting history
- Single sign-on (SSO)Soon
Nothing to lose
30 days free with no card. No contract, cancel anytime. The AI key and the provider account stay yours, so nothing you pay for AI is ever locked inside Kerux. And if Kerux isn't right for you within 90 days of your first payment, email us and we refund every dollar you paid us.
Start free →Frequently asked questions
Everything teams ask before switching.
You connect an API key from your own AI provider. Groq, OpenAI, Anthropic, xAI, Google Gemini, Mistral, DeepSeek, OpenRouter, or any OpenAI-compatible endpoint. There is no built-in or default key: you pick the provider, and Kerux uses your key to draft and resolve tickets. Your AI usage is billed by your provider under your own terms, never by us.
Creating one takes a couple of minutes. The in-app setup guide walks you through getting a key from a provider and connecting it. Most teams are done before their coffee cools.
No. Kerux never uses your data to train models. Ticket content is sent to the AI provider you configured only to classify tickets and write replies, under that provider's own terms.
Three steps: forward your support address to your Kerux inbox, connect an AI key, and add a few help-center articles so the AI has real answers to ground itself in. New conversations arrive as soon as forwarding is on. Sending from your own domain needs a few DNS records; most verify within the hour, though DNS can occasionally take up to 48 hours.
Yes. Settings → Import tickets brings over your conversations, customers and internal notes from Zendesk, Intercom, Help Scout or Freshdesk, with their original dates. Attachments aren't imported. Point your support email forwarding at Kerux and new conversations flow in right away.
Yes. Switch or cancel anytime from Settings → Billing. There's no contract and no cancellation fee; your subscription simply runs to the end of the period you've paid for.
Keep the AI. Lose the markup.
Free for 30 days. No credit card, no contract.