Costory explains your cloud bill and sends it to Slack, for a flat €250/month. Connect your billing data, get your first AI-generated report within 30 minutes.
No credit card required • Setup in 10 minutes
Trusted by infra teams of
Without Costory
Pull billing data from AWS, GCP, Datadog, etc…
Cross-reference cost spikes with deploy logs, PRs, threads, and tickets
Spend half a day to a full week writing context Finance can understand
Reconcile inconsistent tags across providers
Build slides when leadership asks for a cost breakdown
Pause your work to answer every "why did spend go up?" question
From raw billing data to executive-ready reports, automatically
Connect all your cloud spend in one place
Link your AWS, GCP, Azure, Datadog, and other provider accounts. Costory pulls billing data automatically and normalizes it into a single schema. No more switching between consoles or copy-pasting into spreadsheets.
Native integrations
Unified schema
Inconsistent billing formats across providers become one clean view
Events and context
GitHub deploys, Jira tickets, and CI/CD events linked to your cost data
Split costs into categories that make sense
Map raw billing line items to your business structure: production vs. R&D, team-by-team breakdowns, per-environment splits.
Tag normalization
Map any combination of existing tags to a consistent structure. No infrastructure changes.
Business-level groupings
Map costs by team, product, feature, or customer
Usage-based cost splitting
Allocate shared resources based on actual consumption
Trace every cost change to its cause
The Digest breaks your monthly spend into a tree structure and highlights the items that moved the most.
Root cause analysis
Connects cost movements to deploys, incidents, and usage patterns
Two-level output
Detailed breakdown for engineers, executive summary for leadership
Ask Billy in Slack
"Why did spend go up?" Get an answer in seconds, no dashboard needed
Share the report in the format leadership wants
Export the finished report to Slack, Notion, PowerPoint, or email. Add your own annotations for additional context.
Automated Slack reports
Per team, weekly or monthly
Pre-built templates
Ready-made reports for common FinOps use cases
Annotations
Add your own context before sharing
Testimonials
They did not have time for FinOps
These infra teams got their time back with Costory.
Costory vs other solutions
Most pooular
Team
€250
Per month
No percentage of your cloud spend. No per-seat fees. Built for the engineer who does FinOps on the side, not the team that does it full-time.
All core benefits in one unified platform
Daily or hourly cost analysis
Slack & email digests
AI-powered explanations
Unlimited users included
AWS, GCP & Azure support
Integrations