Network Endpoints
A-Chain Alpine (testnet)
Network rebooted — July 2026
Alpine was relaunched with a fresh genesis on 2026-07-27 (PulseVM v0.5.1). Endpoints, blockchain ID, and chain ID all changed; state from the previous Alpine did not carry over. Update any saved configuration.
| RPC (native JSON-RPC) | https://a-chain-alpine.metalblockchain.org/ext/bc/dbmApAUgd9jbQRmcWLXkg1jxoGbdVsY7gtZGLk59JcoXvbF8S/rpc |
| History (Hyperion v2) | https://a-chain-alpine-hyperion.metalblockchain.org |
| Blockchain ID | dbmApAUgd9jbQRmcWLXkg1jxoGbdVsY7gtZGLk59JcoXvbF8S |
| Chain ID | 531a7002b4a4b67987f8706c01b965c76ffc3ad301608ac61a1f738cba6c3a9a |
| Node version | PulseVM v0.5.1-series (validator build not yet published — syncing a node from the v0.5.1 tag currently fails on early blocks; use the public RPC above, or watch releases for the validator binary) |
| Indexer | hyperion-rs — Metallicus's native Rust Hyperion |
Testnet
Alpine is the public test network for A-Chain. Core token is SYS (4 decimals).
Antelope-style
/v1/chainREST is not currently exposed on the rebooted testnet — use the native JSON-RPC above (pulsevm.getInfo,pulsevm.getTableRows, …) or the Hyperion/v2API for history. See /build/api for the method table.