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7 min

AWS CDK Cost Estimation: Shift FinOps Left Into Pull Requests

Most FinOps reviews happen weeks after infrastructure ships, when the bill arrives. CDK cost estimation flips that: synthesize the stack, walk the resource graph, query the AWS Pricing API per resource, and post a monthly-cost diff on every pull request. The cost feedback loop drops from weeks to minutes; the failure modes (request volume, token usage, data transfer) are documented up front.

Kevin W.