Contact MerchantCalcs
Have feedback, rate card updates, or partnership inquiries? Get in touch with our financial research team.
Get in Touch
We actively maintain our payment processor rate cards and interchange calculations. If you notice rate card updates from Stripe, PayPal, Etsy, Shopify, Square, or LemonSqueezy, please send us the official documentation link.
Official Editorial Contact
support@merchantcalcs.com
Response Times & Inquiries
- Data & Rate Corrections: Reviewed within 24-48 hours.
- Partnership & Affiliate Inquiries: Reviewed weekly.
- General Questions: Please reference our Editorial Methodology.