Abstract network pathways converge on a central gateway beneath the text “A Buyer’s Guide to AI Gateways,” with Aembit branding in the corner.

8 min readGateways have long marked important boundaries in computing. Network gateways connected systems that used different protocols. Secure web gateways inspected traffic moving between employees and the internet. And API gateways gave organizations a central point for routing service requests, authenticating clients, applying policy, and recording activity. They continue to serve those functions in agentic systems, […]

The gateway label now covers several very different jobs. The useful question is what traffic each gateway handles, what decision it supports, and where identity and access fit in the architecture.
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