What is an API shield?
Map identity, permissions, request contracts, budgets, and responses into one understandable defense architecture.
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EXPLORE A TOPIC
Schema validation, in practice.
Make the expected request shape explicit, then verify that the deployed enforcement path actually applies it. Read about supported schema features, unknown fields, compatibility fixtures, and the separate permission and business-state decisions that a schema does not replace.
Firewall, WAF, or gateway?
Compare routing, inspection, contract validation, and authorization by responsibility—not by a product category label.
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Make your API contract count
Connect your specification to a supported validator, representative fixtures, and staged enforcement that respects real clients.
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Make the next request a better one.
Start with a clear architecture. Build toward boundaries you can test.