Observability metrics
AWS CloudWatch metrics next to your cloud costs
External metric: CloudWatch read policy and trust policy, queried live
How Costory uses AWS CloudWatch
Costory reads CloudWatch metrics such as S3 storage size, request counts, CPU or queue depth, and plots them next to your AWS cost to build unit economics.
Access goes through an IAM role Costory assumes with the same web identity trust as AWS billing, plus a read only CloudWatch policy. You give a connection name, the role ARN and a region, then validate.
Step by step: AWS CloudWatch setup in the Costory docs.
Questions you can ask
“Which EC2 services run below 30% average CPU?”
“Show cost per 1M requests using CloudWatch request counts.”
“Split the shared RDS cost by connections per team.”
Setup guide: AWS CloudWatch in the Costory docs.
Playbooks
Playbooks that use AWS CloudWatch
What the Costory agent can watch, investigate and report on for you, with this in the loop.
All playbooks
Costory notices
A service runs well below its capacity for 30 days.
Rightsizing recommendations grounded in real usage
The agent compares what you pay for compute with what services actually use in CloudWatch or Datadog, then recommends instance sizes to the owning team, with the deploy history attached.
See the playbook
Costory notices
A shared service's cost grows, or a new team starts using it.
Split shared infrastructure costs by actual usage
Allocate shared databases, networking and platform services to the teams that use them, based on real usage metrics.
See the playbook
Costory notices
A release changes a service's cost per request.
Cost per API request with Datadog or CloudWatch metrics
Divide a service's allocated cost by its request volume from Datadog or CloudWatch, and track it release after release.
See the playbook
Connect in under 30 minutes. Get your first optimization recommendation the next day.
30-day free trial. Copilot, €250/month, or Copilot Pro, €1,000/month, billed annually.
First optimization recommendation
The next day
ROI
Pays for itself with the first recommendation you act on
Setup
About 30 minutes
Data residency
EU
Access
Read-only on your cloud