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Lighter API/MM Updates Lighter API/MM Updates @lighter_api_updates · 1.02K subscribers
Post #106 1.24K
Currently, only api_key_index:0 and api_key_index:1 are being reserved to serve desktop and mobile users on the lighter front-end

Starting March 22, 2026 at 2:30 PM UTC, the following indexes will be reserved to serve web and mobile users:

- api_key_index:0
- api_key_index:1
- api_key_index:2
- api_key_index:3

If you're currently using indexes 2, 3 for programmatic api trading, you should switch to any other other index in the 4-254 range to avoid any disruption.
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