Manage your AWS monthly costs with a custom halcyon endpoint

Halcyon is an AWS service endpoint ↗ that allows you to manage your monthly costs by applying policy to incoming requests. Halcyon gives you fine grained control in a way that works with terraform and aws cli

How it works


Works with terraform

Works with aws cli

Create rules like

  • Limit monthly spend to $5000
  • Only allow us-east-1 region
  • Only allow t-series instance types
  • etc.


All prices are in USD

Free Standard
Rules 1 Unlimited
Access Tokens 1 Unlimited
Users 1 Unlimited
Price Free $10/month