June 29, 2026 · 4 min read
Avalanche RPC: C-Chain, Subnets, and Endpoints
Avalanche isn't one chain — it's three (X, P, C) plus a growing set of L1 subnets, and that trips up everyone wiring up 'Avalanche RPC' for the first time. Here's which endpoint you actually need, why the URLs look weird, and how to connect.
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