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GET
Health
Reports whether the gateway is ready to serve. Point your load balancer or uptime monitor here. Two possible answers:
  • 200 with a ready status, once the gateway has caught up with the chain.
  • 503 with a bootstrapping status and a progress snapshot, while it’s still replaying history.
This endpoint and stats answer at all times. Every other route returns 503 until the gateway is ready (conventions).

Example

Ready
Bootstrapping
All fields are snake_case. bootstrap appears only while bootstrapping, and eta_secs is omitted until enough slots have replayed to estimate a rate. phase is one of starting, snapshot_replay, block_replay, ready.