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Access tiers

TierReadWrite
Basic20 per second10 per second
Advanced30 per second30 per second
Premier100 per second100 per second
Prime400 per second400 per second
Qualification for tiers:
  • Basic: Completing signup
  • Advanced: Completing https://kalshi.typeform.com/advanced-api
  • Premier: 3.75% of exchange traded volume in a given month
  • Prime: 7.5% of exchange traded volume in a given month
In addition to the volume targets, technical competency is a requirement for Premier/Prime access. Before providing access to the Premier/Prime tiers, the Exchange will establish that the trader/trading entity has the following requirements met:
  • Knowledge of common security practices for API usage
  • Proficiency in setting up monitoring for API usage, and ability to monitor API usage in near real-time
  • Understanding and implementation of rate limiting and throttling mechanisms imposed by the API, and the ability to self-limit load
  • Awareness of legal and compliance aspects related to API usage
Only the following APIs fall under the write limit, for the batch APIs, each item in the batch is considered 1 transaction with the sole exception of BatchCancelOrders, where each cancel counts as 0.2 transactions:
We reserve the right to downgrade your API rate limit tier from Prime and Premier when you have shown lack of activity in the previous period.