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The sandbox is free. When your casino goes live, you pay your tier’s flat fee a quarter at a time, upfront, in USDC, USDT or SOL. The fee does not depend on your bets or your revenue, and there are no bet limits per tier. The Billing page shows your plan, your declared deposits, your invoices and your refunds. Every member sees the figures; owners and admins pay and change the declared deposits. Other members see Only the casino's owners and admins can pay and change the declared deposits.

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Your plan

The top of the page shows three figures:
  • Tier: your tier, and the monthly deposits it comes from.
  • Fee: your monthly fee, and what it comes to each quarter.
  • Paid through: the last day of your paid time and how many days are left, or Not paid yet.
At most one banner shows above them:

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Tiers

Your tier follows what your players deposit in a typical month. Each tier includes its lower edge: exactly $250,000 is in $250K–$500K.

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Declared deposits

You first declare your deposits in the setup wizard. Afterwards, owners and admins change them under Declared deposits: enter whole US dollars in Monthly deposits, check the tier and price shown under the field, and select Save. The next quarter you pay is priced at your declaration. Only one invoice is open at a time. If saving would replace an open invoice, the page says Saving replaces your open invoice, and its earlier payment codes stop counting. While a payment for the open invoice is on Solana, wait until it shows as paid before you change your deposits.

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Pay for a quarter

Payments go straight from your wallet to kinematic’s billing wallet through Solana Pay, with no card processor.
1

Open the checkout

Select Pay for your first quarter at the top of the page, or Pay for the next quarter once you have paid one. The sheet shows the quarter’s dates, your tier and the Amount due, which covers three months of your tier’s fee.
2

Choose a token

Under Pay in, choose USDC, USDT or SOL, then select Continue. USDC and USDT pay the exact dollar amount. In SOL you pay the dollar amount at the price when you continue, and the quote holds for 15 minutes; for a new quote, choose SOL again.
3

Pay the code

The screen Waiting for your payment shows a Solana Pay code and the amount. Scan the code with a Solana wallet, select Open in your wallet to open it in a wallet on this device, or select Copy the payment link. Beside it are the Recipient, when the code Expires (a USDC or USDT code never expires), the Reference and the Network.Pay only through the code or the link. They carry the reference that matches your payment to the invoice.
4

Wait for Solana

The sheet updates on its own. It shows Payment received once your payment is on Solana, and Payment confirmed with the date you are paid through once Solana finalizes it.
To change tokens before you pay, select Pay with another token. If you close the sheet while a code waits for payment, a banner on the page opens it again. If a payment does not count, the sheet says why:
  • A payment that sent less than the amount does not count. Pay the full amount with the same code, and write to hello@kinematic.run to get the short payment back.
  • A payment in another token does not count. Pay the amount shown with the same code, and write to hello@kinematic.run to get the other payment back.
  • A transaction that failed, or paid nothing to kinematic’s wallet, paid nothing. You can pay again with the same code.

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When a quarter starts

Your first quarter starts when you open its checkout. A renewal starts where your paid time ends, or when you open the checkout if your paid time has ended. The sheet shows the quarter’s dates before you pay.

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Invoices

One invoice covers a quarter at your tier on the day it opened. The Invoices table lists each with its Quarter, Tier, Amount, Status (Open or Paid) and Payment, which links to the transfer on Solana Explorer.

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Refunds

Only entirely unused months of a paid quarter are refundable. A month that has begun, even by a second, counts as used. To ask for a refund, write to hello@kinematic.run. Once you have a paid quarter, the Refunds list shows each refund with its Quarter of, Months, Amount and Status: To be paid, then Paid with a link to the transfer.

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Changes to prices and terms

Kinematic may change its terms and prices. A change applies from the start of your next billing quarter, never to a quarter in progress: a quarter you have paid for keeps the prices and terms that were in force when you paid for it. Kinematic emails you before a change applies to you.