The Runtime Theory

An API Request's Journey

Follow an HTTPS request from browser to service and watch its response return through the same system.

The Runtime Theory Team08 stages

trace / request.md

CLIENTDNSTRANSPORTTLSHTTPEDGE OR PROXYAPPLICATIONRESPONSE

readyThe browser parses the URL, applies its policies, and prepares the HTTP request. A cache or reusable connection can change the later steps.

Use this flow as a map, not as a fixed packet-by-packet script. The pictured route is a fresh HTTPS request with an edge component. A cached response may finish at the client or edge, a warm connection can skip setup, and a small deployment may connect directly to its application server. For a deeper walk, read the HTTPS request trace.

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