> For the complete documentation index, see [llms.txt](https://docs.lambda.markets/lambda-markets/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.lambda.markets/lambda-markets/getting-started/authentication.md).

# Authentication

For secure access, Lambda requires hard authentication + to trade you’ll need to connect to your preferred centralised exchange via secure API keys.

{% content-ref url="/pages/nrqwUmFK5u3kEaiyMltS" %}
[Wallet Authentication](/lambda-markets/getting-started/authentication/wallet-authentication.md)
{% endcontent-ref %}

<figure><img src="https://1429857339-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUyHGSWhkWazVxIq2xLB4%2Fuploads%2FWXEiEwH8VVWoBvb3CkYy%2FJan-13-2023%2015-10-53.gif?alt=media&amp;token=2e7206f7-c2bf-441e-87b7-abe12b7f8c3a" alt=""><figcaption></figcaption></figure>

{% content-ref url="/pages/5LQyxlEPFc00qNkiTErq" %}
[API Keys](/lambda-markets/getting-started/authentication/api-keys.md)
{% endcontent-ref %}

<figure><img src="https://1429857339-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUyHGSWhkWazVxIq2xLB4%2Fuploads%2FO2F8vtMFyZkzECeSTOyf%2Fimage.png?alt=media&amp;token=79923166-c206-4092-b547-b9011cd5b8f6" alt=""><figcaption></figcaption></figure>
