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Governance depth vs developer velocity: Enterprise governance platforms win when policy modeling, auditability, and centralized controls matter across many teams. Developer-first gateways win when teams need to ship and operate APIs quickly without an org-wide governance program.
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Cloud lock-in vs portability: Cloud-native gateways optimize for speed inside a single cloud (identity, networking, billing). Neutral gateways optimize for portability and consistent policy across environments—but require you to own more of the platform lifecycle.
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Cost behavior at scale (per-call pricing, gateway sprawl): Gateway pricing can look small at prototype stage and become dominant at scale—especially with per-call pricing, multiple environments, and microservice proliferation. The cost driver is often not compute, but number of gateways, requests, data transfer, and managed add-ons.
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Internal platform APIs vs external partner/public APIs: Internal API platforms prioritize developer velocity, observability, and consistent routing. External APIs prioritize security, quotas, monetization/tiers, and partner onboarding. Some products are optimized for one and awkward for the other.