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About Onexa

Onexa is a fiat-to-crypto on-ramp: pay with a card or bank payment and receive crypto at a wallet address you control — no account, no custody, no surprises.

What we do

Onexa makes buying cryptocurrency simple. You choose an amount and a coin, we show you a live, rate-locked quote, you pay through a secure hosted checkout, and the crypto is sent to your own wallet. There are no accounts to create and no custody — Onexa never holds your coins for you, and you never hand over control of your funds to a third party.

Traditional exchanges are built for traders: order books, charts, margin, and a steep learning curve. Most people don't want any of that. They want to convert a little money into a specific coin, send it to a wallet, and get on with their day. Onexa is built for exactly that moment — the on-ramp, not the trading floor.

Why we built it

Most on-ramps bury the real price behind spreads and surprise fees. You think you're paying one number, and the amount of crypto that lands in your wallet tells a different story. That gap is where the industry quietly makes its money, and it's the thing we set out to remove.

Onexa shows one clear rate and a single, transparent percentage fee before you commit — nothing hidden, nothing added at the last screen. What you see in the quote is what you agreed to. We believe an on-ramp should be judged on how little it takes from you, not how much.

How it works

  • 1. Choose. Pick the amount and currency you want to spend and the coin you want to receive. Live prices come from a market data feed and refresh continuously.
  • 2. Quote.We show you the exact rate, the fee as a clear percentage, and precisely how much crypto you'll receive, with a locked-in quote window so the number doesn't move under you while you decide.
  • 3. Pay.You're handed to a secure hosted checkout to pay by card or supported payment method. Your card details are entered on the payment provider's page, never on Onexa.
  • 4. Receive.The crypto is sent to the wallet address you provided, on the network you chose. Because it's your wallet, you're in control from the moment it arrives.

Non-custodial by design

Onexa is non-custodial. We do not store, control, or have access to your cryptocurrency or your private keys. The coins go straight to the address you enter and never sit in an Onexa-controlled wallet in between. This keeps you in control and means you are not exposed to the risk of a platform holding your assets — but it also means you are responsible for entering the correct wallet address on the correct network, because blockchain transfers cannot be reversed. See our Risk Warning for the full picture.

What you can buy

Onexa supports 50+ cryptocurrencies — from Bitcoin, Ethereum, and the major stablecoins (USDT, USDC, DAI) to a wide range of layer-1s, layer-2s, and popular tokens. Stablecoins can be received across many networks (Ethereum, Tron, BNB Smart Chain, Solana, TON, Polygon, Arbitrum, and more), so you can pick the chain that fits your wallet and your fees. Purchases can be made in 30+ fiat currencies.

Security and transparency

  • Card and payment details are handled by a dedicated payment provider on their own secure checkout.
  • Wallet addresses are validated against the format of the network you select before an order is created.
  • Pricing, fees, and the amount you'll receive are shown up front — no post-confirmation surprises.
  • Because we're non-custodial, there is no Onexa wallet holding your funds to be hacked or frozen.

Our principles

  • Transparent pricing. One clear rate and one clear fee, shown before you commit.
  • You stay in control. Non-custodial by default — your keys, your coins.
  • No friction. No account to create, no data we don't need, no dark patterns.
  • Broad access. 50+ assets across dozens of networks, in 30+ currencies.

Contact

Questions, feedback, or need a hand with an order? Email support@onexa.me or message us on Telegram — real people, happy to help.

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ONEXA

Onexa is a fiat-to-crypto on-ramp. Pay with a card or bank payment and receive Bitcoin, Ethereum, USDT, or USDC at the wallet address you provide.

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