Paying with Crypto
Qubax is funded entirely with cryptocurrency. Top up your credit balance with 200+ coins and the payment is converted to credits instantly. Credits never expire.
Supported coins
We accept 200+ cryptocurrencies across multiple blockchains. The most popular include:
| Coin | Type | Networks |
|---|---|---|
| USDT | Stablecoin | Ethereum, Tron, Solana, BSC, Polygon, Arbitrum, Base, TON, Celo |
| USDC | Stablecoin | Ethereum, Solana, BSC, Polygon, Arbitrum, Base, Algorand, Optimism |
| DAI | Stablecoin | Ethereum, BSC, Polygon, Arbitrum |
| BTC | Native | Bitcoin |
| ETH | Native | Ethereum, Base, Arbitrum |
| SOL | Native | Solana |
| LTC | Native | Litecoin |
| DOGE | Native | Dogecoin |
| XRP | Native | Ripple |
| TON | Native | TON |
| TRX | Native | Tron |
| MATIC | Native | Polygon |
...plus 200+ more including BNB, AVAX, ADA, LINK, UNI, AAVE, XMR, BCH, and many others.
Tip: Stablecoins (USDT, USDC, DAI) are recommended — they're pegged 1:1 to the US Dollar, so you always know exactly how much credit you'll receive.
Minimum & fees
- • Minimum top-up: $3
- • No hidden fees — you pay only for what you use
- • Credits never expire
- • Stablecoins convert 1:1 to USD credits
How it works
- 1. Go to Billing in your dashboard and enter the amount
- 2. You'll be redirected to our payment processor's checkout page
- 3. Select your preferred cryptocurrency and network
- 4. Complete the payment — send to the address or connect your wallet
- 5. Once the transaction confirms, your credit balance updates automatically
- 6. Start using the API immediately
Heads up: Always send only to the deposit address shown on the checkout page. Selecting the wrong network may result in permanent loss of funds.
Which network should I use?
| Network | Gas fee | Speed | Best for |
|---|---|---|---|
| Tron (TRC-20) | ~$1 | ~3 sec | All sizes — best value |
| Solana | <$0.01 | ~1 sec | All sizes — fastest & cheapest |
| Base / Polygon | <$0.05 | ~2 sec | L2 users — fast & cheap |
| Ethereum (ERC-20) | Higher | ~2 min | Large top-ups ($100+) |
| Bitcoin / Litecoin | Varies | ~10 min | When paying with BTC/LTC |
Payment processor
All crypto payments are processed securely via NOWPayments, a non-custodial payment gateway supporting 200+ cryptocurrencies. Your tokens are converted to platform credits at a 1:1 USD ratio. Qubax never holds your private keys.
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