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Source OpenAPI: 0xArchive API 1.6.1; 147 paths; 128 component schemas. Get historical L4 orderbook checkpoint list. Each checkpoint is a full L4 snapshot that can be used as a starting point for replay. Within each price level, bids and asks are ordered by true queue priority (ALO priority insertions included), not by placement time. Depth truncation is by order count, so the orders at a depth cut can differ from responses served before 2026-07-21.

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Status 200

L4 orderbook checkpoints

application/json

Status 400

Invalid request

application/json

OpenAPI example

Status 401

Authentication required

application/json

OpenAPI example

Status 429

Rate limit exceeded

application/json

OpenAPI example
Last modified on July 28, 2026