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

# Sandbox

> Test environment, credentials, and tools

On the sandbox account, only USDC on the test blockchain are transacted — no real crypto is sent.

## Environment

| Item          | Value                                              |
| ------------- | -------------------------------------------------- |
| API Base URL  | `https://dev.bringin.xyz`                          |
| Dashboard     | [dev-app.bringin.xyz](https://dev-app.bringin.xyz) |
| Network       | Polygon Amoy                                       |
| USDC Contract | `0x41E94Eb019C0762f9Bfcf9Fb1E58725BfB0e7582`       |
| USDC Faucet   | [faucet.circle.com](https://faucet.circle.com/)    |

## Test Credentials

Here are a few test api-keys you can use to test the APIs. The user credentials let you log in to the Bringin dashboard to check EUR balance and transactions.

| User   | api-key                                        | Email                                                             |
| ------ | ---------------------------------------------- | ----------------------------------------------------------------- |
| Test 1 | `ZTY3YzNhMzQ3Yzk4NGJjMmEwZWU1NTQ4NmE5MjJjZTk=` | [test86864210@mailinator.com](mailto:test86864210@mailinator.com) |
| Test 2 | `ZDRiOWMzMDZiNjVhNDQ5Y2I2NDE4Nzk0OGI1ZjlhYzU=` | [test59799905@mailinator.com](mailto:test59799905@mailinator.com) |
| Test 3 | `ZjhlZjljOWQ1ZWRhNDBiNjkyNGY3NTljZGZhOTQwOTY=` | [test97342397@mailinator.com](mailto:test97342397@mailinator.com) |
| Test 4 | `ZTQyMjQ4MDA5MTE1NDA4MDg4NGRiZGE1YWVlNTc5YTE=` | [test78882674@mailinator.com](mailto:test78882674@mailinator.com) |

Password for all accounts: **User\@123**

You can check emails sent to these accounts at [mailinator.com](https://mailinator.com) — it's a free public inbox for testing.

## Getting Test USDC

1. Go to [faucet.circle.com](https://faucet.circle.com/)
2. Select **Polygon Amoy**
3. Paste the deposit address you get from `POST /offramp/address`
4. Receive test USDC (\~30 seconds)