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Pay for an Aster plan with Bitcoin, Litecoin, Ethereum, or USDC instead of a card.
You pay once for a term you choose, from 1 month to 2 years, and your plan stays active until the end of that term.
Supported coins
| Coin | Networks |
|---|---|
 Bitcoin (BTC) | Bitcoin |
 Litecoin (LTC) | Litecoin |
 Ethereum (ETH) | Ethereum, Base |
 USD Coin (USDC) | Ethereum, Base |
The payment page lists the coins available when you pay.
Before you begin
- Pay from a wallet you control: if you send funds from an exchange or a swap service, the payment arrives from an address that isn’t yours, and the payment processor can’t match it to your order.
- Cancel any card subscription first: you can’t pay with crypto while a card subscription is active. See Cancel a subscription or ask for a refund.
- Check the network: send only the coin the invoice names, on the network it names. Funds sent as another asset or on another network are lost and can’t be recovered.
- Know how pricing works: plans are priced in US dollars. When you choose a coin, Aster locks an exchange rate and shows the exact amount to send. Nothing is taken from you until you send the payment yourself.
Pay for a plan
- Go to Settings > Billing, and then choose your plan.
- In Review and pay, choose the Subscription length: Monthly, Yearly, or 2-Year. The 2-year term is available only when you pay with crypto.
- Under Payment Details, choose Crypto.
- Select Continue to Checkout.
- Under Choose how to pay, pick a coin and network from the list. The list shows the coins currently available. To pay with USDC or another stablecoin through the payment processor, choose Pay by stablecoin.
- On the invoice page, note the amount under Send exactly and the address under To this address. To fill them in automatically, select Open in wallet. To copy them instead, select Copy amount and copy the address.
- Send the payment from your wallet before the timer under Expires in runs out.
The page updates on its own, so you can leave it open or come back later. If you leave, the invoice stays open, and you can pick it up again from Settings > Billing by selecting Resume payment. Your plan starts as soon as the payment is received.
How long the rate holds
Each invoice locks the exchange rate for a set time:
- Bitcoin: 60 minutes.
- Litecoin: 30 minutes.
- Ethereum and USDC, on Ethereum or Base: 30 minutes.
The invoice page shows the rate it used and the time remaining.
Invoice statuses
- Waiting for payment: Aster hasn’t seen a payment yet.
- Payment detected: your payment reached the network and is waiting for confirmations.
- Confirming: the network is confirming the payment. The page shows how many confirmations it has and how many it needs.
- Payment received: the full amount arrived. No further payment is needed.
- Partially paid: less than the full amount arrived.
- Under review: the payment needs a manual check, and Aster credits your account shortly.
Confirmation time depends on the network, not on Aster. It usually takes a few minutes and can take longer when a network is busy. To refresh the status right away, select Check now.
If you send the wrong amount
- Too little: the invoice stays open and shows what’s left to send. Send the remaining amount to the same address.
- Too much: your plan starts, and the extra is added to your account as credit in US dollars. To get the difference back instead, ask for a refund at hello@astermail.org. If you send more than twice the amount due, the invoice goes to a manual review first.
- After the invoice expires: don’t send anything to the address on an expired invoice. Funds sent after it expires need a manual review before they can be credited. Start a new payment instead.
Renew your plan
Crypto purchases don’t renew automatically. The Current Plan card shows the date your plan is paid until, and Aster emails you before your term ends. If the term runs out before you pay again, you keep paid features for 7 more days. To pay for the next term, select Renew with crypto on the Current Plan card, choose 1 month, 3 months, 6 months, 1 year, or 2 years, and then select Continue. To think about renewals less often, choose a longer term.
Refunds
If this is your first paid plan, the 30-day money-back guarantee applies. Because a cryptocurrency payment can’t take a refund back the way it came, Aster asks you how you want to be reimbursed. You can choose the same cryptocurrency you paid with, sent to an address you give the team; a bank transfer; or credit on your Aster account. The choice is yours, account credit is never the default, and Aster charges no fee. See Cancel a subscription or ask for a refund.
Troubleshooting
- You see “This invoice has expired”: the payment window closed because rates change. Select the option to start a new payment.
- You want to stop a payment: select Cancel this invoice. You can’t cancel an invoice after it receives a payment.
- You can’t create another invoice: you can have 3 open crypto invoices at a time. Finish or cancel one, and then try again.
- No wallet app opens: copy the address and amount, and paste them into your wallet.
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