> ## Documentation Index
> Fetch the complete documentation index at: https://docs.openfinance.tech/llms.txt
> Use this file to discover all available pages before exploring further.

# Buy AI credits with crypto

> Top up your AI credits in about a minute, with stablecoins you already hold, and know what to do if the Fund button asks you for something more first.

Credits are paid for with stablecoins straight from your OpenFinance wallet: USDC or USDT on Solana, USDC on Base, or USDG on Robinhood Chain. There is no card form and no separate checkout. You pick a network and a coin, enter an amount, and the app sends it and adds the credits to your balance.

## What you need

Have one of these in your OpenFinance wallet, plus a little gas on the same network:

| Network | Pay with | Gas |
| - | - | - |
| Solana | USDC or USDT | SOL |
| Base | USDC | ETH on Base |
| Robinhood Chain | USDG | ETH on Robinhood Chain |

Not funded yet? [Deposit](https://docs.openfinance.tech/funding/deposit-funds.md) to your EVM address for Base or Robinhood Chain, or to your Solana address for Solana. A network that is not accepting payments yet shows **Soon** in the sheet.

## Buy credits

**1. Open Fund AI credits**

Click **Deposit** in the top bar, then **Buy credits** next to your AI credits. The **Fund AI credits** sheet opens with your **Available credits** at the top.

**2. Choose a network**

Pick **Solana**, **Base** or **Robinhood**. The sheet reads your balances on that network.

**3. Choose a stablecoin**

Open the token menu and pick the coin you want to pay with. Each one shows your balance next to it.

**4. Enter an amount**

Type the dollar amount. Below it you see roughly how many credits it buys, and the **From your wallet** line shows the address it is paid from.

**5. Fund**

Click **Fund** and approve in your wallet. The sheet shows **Adding your credits** while the network confirms; your balance updates in a moment.

![Fund AI credits sheet with the available credits, a network switch for Solana, Base and Robinhood, an amount field with the estimated credits, the token menu, the From address and the Fund button](https://mintcdn.com/openfinance/-pu5SodoQuhEwuR-/images/screens/fund-ai-credits.png?fit=max\&auto=format\&n=-pu5SodoQuhEwuR-\&q=85\&s=320cf5d9791ec1de3c4c1bbe19093956)

The Fund AI credits sheet

![Fund AI credits sheet with the token menu open, listing the stablecoins for the chosen network with a balance next to each](https://mintcdn.com/openfinance/-pu5SodoQuhEwuR-/images/screens/fund-ai-credits-token-menu.png?fit=max\&auto=format\&n=-pu5SodoQuhEwuR-\&q=85\&s=96d18109a746119f976f397729e5a4ec)

Pick the coin to pay with; each shows your balance

## If the button will not go

The Fund button tells you what is missing instead of failing silently:

| The button says | What to do |
| - | - |
| **Enter an amount** | Type how much you want to spend. |
| **Minimum is ...** | Raise the amount to at least the minimum shown. |
| **Not enough USDC** (or USDT, USDG) | Deposit more of that coin, or pick another coin or network. |
| **Add SOL (or ETH) for the network fee** | Send a small amount of the gas token to that network. |
| **Set up your ... wallet first** | Finish setting up your account so the wallet for that network exists. |

If a payment is sent but the credits have not shown up after a minute or two, keep the transaction hash the sheet shows and email [dev@openfinance.tech](mailto:dev@openfinance.tech).

## Next

> [card] [Models and AI credits](https://docs.openfinance.tech/product/models-and-credits.md)
>
> Pick the right model for each job.

> [card] [Inference API](https://docs.openfinance.tech/inference/overview.md)
>
> Spend the same credits from your own code.


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.