Your bot needs two secrets. You already created an API key. This page covers the second: the private key for the Trepa embedded wallet that belongs to the same account. The SDK uses this key to sign predictions, claims, and withdrawals your bot submits on Solana.Documentation Index
Fetch the complete documentation index at: https://docs.trepa.io/llms.txt
Use this file to discover all available pages before exploring further.
Export the key from the app
Open Settings → Embedded Wallet
In the Trepa app, open Settings and scroll to Embedded Wallet. You will see your wallet address and an Export button.

Copy the key from the export modal
In Export wallet, use Copy key, then store the value somewhere safe. You will paste it into a 
.env file in the Quickstart. The app only shows the full key in this flow, so capture it now.