> For the complete documentation index, see [llms.txt](https://docs.adx3.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.adx3.io/introduction-to-broearn-ads-operation/introduction-to-broearn-ads-operation-dsp/top-up.md).

# Top-up

1. Top-up tips

At present, DSP only allows USDT top-ups on PUT test chain, please make sure you have 

enough PUT and USDT in the top-up wallet before topping up.

\
2\. Start to top up

Click the "Top-up" button on the home page or user center to top up

![](/files/wGRO2XGmQMPsSYalQpER)![](/files/fJHhNMI2IeIOu238juXI)

3. Please scan the QR Code with your wallet and confirm the top-up for the first time after logging in.

![](/files/YQ2X4sO0UccsHcRr3ZRz)

4. After a successful connection, you can get the USDT wallet balance of the current authorized account

![](/files/OmEmabXvFox3cbP6Yx0P)

5. Please authorize your signature after entering the top-up amount.

![](/files/WTa1djIbYoa1QMRGZfot)![](/files/dQncw5YAN4uFZYLr5sDy)

6. After the signature is authorized, please wait until the top-up is completed.

![](/files/sMYRUMuodFsPegO7AoeA)

7. Top-up completed

![](/files/FI7f1lNVlAK0R5AQs8Ij)