Cloudflare has introduced a Billable Usage API for self-serve accounts, exposing usage and cost through one programmatic endpoint. Results are broken down by product and service period and cover usage-based services including Workers, R2, D1, Workers AI, Vectorize, Images, and Stream. The response uses FinOps-oriented column names and currently refreshes cost and usage data daily, with more real-time reporting planned. The API is aimed partly at organizations where autonomous agents write code, deploy Workers, or provision infrastructure and therefore require machine-readable spending controls.
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