Driftwatch

Cloudflare / Cloudflare API /

Breakingdirection flip: their tools call this safe

Response field ConsumedQuantity is no longer guaranteed

What changed

Producer-side tools call this non-breaking. For a consumer it is a null dereference on an unknown future date.

Affects ConsumedQuantity on billable-usage-api_cost_and_usage_data reachable from 3 operations. Nothing fails at the call; it fails wherever the value is finally used, which is usually somewhere else entirely.

no longer guaranteed present

Who is affected

Code that reads Cloudflare's billable-usage-api_cost_and_usage_data objects, used by 3 Cloudflare operations.

Before and after

WhereBeforeAfter
billable-usage-api_cost_and_usage_data.ConsumedQuantityalways presentmay be missing

Code that breaks

// response.ConsumedQuantity may now be absent or null
const ConsumedQuantity = response.ConsumedQuantity ?? fallback;

Based on Cloudflare’s published API specification. How severity is decided.