Free up to 100 calls/day. $10/mo for all 20 stations.
Same endpoints on both plans. Upgrade when you need more stations or higher rate limits.
Free
$0/month
5 stations of your choice, full API access. No credit card.
Get started5 stations (your choice)
100 API calls/day
10 req/min rate limit
All accuracy endpoints (summary, by-date, by-city, by-lead-time, exceedance)
All data endpoints (forecasts, observations, hourly-comparison, run-stats)
CSV export
Community support
Pro
Recommended$10/month
All 20 stations Kalshi settles on. 10,000 calls/day, 60 req/min.
For active trading.
Subscribe to ProAll 20 stations
10,000 API calls/day
60 req/min rate limit
All accuracy endpoints
All data endpoints
CSV export
Priority support