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

# Access and keys

> Obtain credentials and generate VPOS-2 keys.

Request the **acquirer ID**, **merchant ID**, and merchant administrator access to VPayment web in integration.

<Warning>
  Generate keys only for the Modal integration. Each new generation immediately replaces the active keys.
</Warning>

1. Sign in to VPayment web.
2. Open **Administration → Public and Private Keys**.
3. Select **Register Keys**, then **Register and download**.
4. Store `LlavesSHA2.zip` in encrypted, restricted storage.

<Frame caption="Generating and downloading keys from VPayment web.">
  <img src="https://mintcdn.com/alignet-dev/hrU4EWz_ORDSVO7w/images/vpos2-prestashop-generar-llaves.gif?s=ca80a1f8393ca0f6f57cbdbf37f52fc2" alt="Animated PrestaShop key generation" width="838" height="658" data-path="images/vpos2-prestashop-generar-llaves.gif" />
</Frame>

| File                        | Usage                              |
| --------------------------- | ---------------------------------- |
| `*_PASARELA_*.txt`          | VPOS-2 key required by the module. |
| `*_WALLET_*.txt`            | Only when Wallet is enabled.       |
| Public and private RSA keys | Not required for this integration. |

Keep an encrypted backup, never publish keys, and consider annual rotation. Update the module immediately after replacing them.

[Continue to installation and configuration →](/en/vpos-2/prestashop/installation-and-configuration)