Terms of service

Kaiku is operated by PE Stanislav Vorobev. Where these terms say “we”, that is who is meant, and that is the party the agreement is with.

Write to hello@kaiku.tech about anything in this document.

Kaiku is a hosted task tracker with a wiki. Each customer gets a workspace on its own subdomain of kaiku.tech, with its own projects, users and data.

The service exposes an API designed to be wire-compatible with the REST API of a widely used third-party tracker and its wiki, so that tools written for those work against Kaiku. We are not affiliated with, endorsed by, or connected to that vendor, and we name no product here. Compatibility is a goal we work at, not a warranty that any particular third-party tool will behave; where a tool depends on undocumented behaviour, we cannot promise it.

A new workspace runs free for 30 days, limited to 2 users, 1 project and 1 GB of attachments. No payment method is required to start, and none is taken automatically when the trial ends.

The paid plan costs $7 per user per month and includes up to 100 projects, 20,000 issues and wiki pages counted together across the workspace, and 20 GB of attachments.

Beyond the included amount, each further 20,000 issues and pages costs $20 per month. That charge is per workspace, not per user.

Payment is in USDT or USDC. Each period is paid in advance. There is no standing order and no stored payment method: nothing is ever charged without an action by you.

If a payment arrives for less than the invoiced amount — which happens with network fees and exchange-rate movement — the shortfall is held as a balance on the workspace and the period is not extended until the invoice is covered. An overpayment is held the same way and applied to the next period.

Changing the number of users mid-period is prorated against the remainder of that period.

Exceeding the included issues and pages does not switch anything off that day. You have 7 days to pay for the additional amount, and the workspace keeps working normally throughout.

We treat this differently from non-payment on purpose. Not paying is a decision; going over is usually something you did not notice — an import, or an automation that filed a few hundred issues overnight. If the 7 days pass without payment, the workspace becomes read-only under the section below, and nothing is deleted.

A period that ends without payment moves the workspace to read-only after a short grace period. Nothing is deleted. Everything remains readable, and project export keeps working, so you can take your data with you at any time.

A read-only workspace is kept for 12 months. After that it is deleted, together with its attachments and its export archives. We write to the workspace owner before that happens, and not only once.

The content you put into a workspace is yours. We do not sell it, and we do not use it to train models.

Some features send content to third parties in order to work — translation of issues and comments, and any AI assistance you switch on. These features are optional and are described where they are offered.

We may access a workspace to operate the service or to answer a support request. Where an administrator views a workspace as one of its users, that access is read-only and recorded where the customer can see it.

We work to keep the service running and we back it up, but we do not offer an uptime guarantee, and our liability is limited to the fees paid for the period in which a problem occurred. This is a low-cost hosted service, not an insurance policy — keep your own copy of anything you cannot afford to lose. Export exists for exactly that.

You can stop at any time by not paying for the next period; the section above then applies. You can ask us to delete a workspace sooner, and we will.

We can end the agreement for non-payment, or for use that harms the service or other customers. Write to hello@kaiku.tech with anything about these terms.