> For the complete documentation index, see [llms.txt](https://mekacash-1.gitbook.io/mekacash-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mekacash-1.gitbook.io/mekacash-api/testing-integration/information.md).

# Information

### Testing Secret Key

```
4b86b0e760d4d96594df319a531969fb
```

### Testing URL

```
 https://staging.mekacash.co.uk/charge
```

### Testing Cards

<table><thead><tr><th width="105.89453125">Holder</th><th>Number</th><th width="118.95703125">Expiry Date</th><th>CVV</th></tr></thead><tbody><tr><td>Test VISA</td><td>4444 4444 4444 8888</td><td>10/2031</td><td>123 (2D)<br>321 (3D - OTP :654321)</td></tr><tr><td>Test MC</td><td>5555 5555 5555 7777</td><td>10/2031</td><td>123 (2D)<br>321 (3D - OTP :654321)</td></tr></tbody></table>