Rate Limits

To prevent abuse, OSL imposes rate limits on incoming requests.

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REST API rate limits are controlled by IP.

They are not applied per user profile or per API key.

REST V3

For V3 endpoints, we limit requests to 30 requests per second for each IP. For trading API entry points, we limit requests to 100 requests per second for each IP.

REST V4

For all V4 endpoints, we limit requests to 200 requests per second for each IP.

WebSocket

The publication frequency and depth of prices are set by OSL and are currently set to 2 updates per second at a maximum depth of 25 levels per side.

FIX

For FIX protocol, we limit requests to 500 requests per second for each session.