Vast.ai Install & Auth Overview Set up the Vast.ai CLI and REST API access for renting GPU compute instances. Vast.ai is a marketplace where individual hosts and data centers list GPU machines at prices significantly below hyperscaler providers. Prerequisites - Python 3.8+ - Vast.ai account at https://cloud.vast.ai - Credit card or credits loaded for GPU rental Instructions Step 1: Install the CLI Step 2: Get Your API Key 1. Log in at https://cloud.vast.ai 2. Navigate to Account API Keys (or visit https://cloud.vast.ai/cli/) 3. Copy your API key (a long hexadecimal string) Step 3: Configure A…