API4 Unrestricted Resource Consumption: Page Size, Query Complexity, Timeouts, Quotas and Costly External Calls
Against API4 you put an upper bound on every parameter, every endpoint and every external call that costs money, and guard it with tests. Starting from an unbounded list measured with 200,000 orders, we build page size, offset and sort allowlists, bulk and body limits, request timeouts with CancellationToken, and tenant- and plan-based report and SMS quotas with 429 and Retry-After.
8 Nov 2026
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12 min
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6
