PolyKal Fees API
Overview
Kalshi & Polymarket trading fee rates and formulas as verified JSON
PolyKal Fees is a finance API. It needs no API key. It is served over HTTPS and allows browser requests (CORS).
At a glance
- Authentication
- No auth
- HTTPS
- Yes
- CORS
- Yes
- Category
- Finance
Questions
Does the PolyKal Fees API need an API key?
No. The PolyKal Fees API can be called without an API key or sign-up, which makes it handy for prototypes and front-end demos.
Can I call the PolyKal Fees API from the browser?
Yes. The PolyKal Fees API sends CORS headers, so a web page can call it directly with fetch().
Does the PolyKal Fees API support HTTPS?
Yes, the PolyKal Fees API is served over HTTPS.
What are alternatives to the PolyKal Fees API?
Other Finance APIs include Stripe, SEC EDGAR Data, Plaid, Fed Treasury, Razorpay IFSC.
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Listed from public-apis (MIT).