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I'm connecting my form with my stripe account but it says I need valid credentials.
There 2 ways you can set this payment integration.
First, you can click the blue "Connect with Stripe" button.
Second, you can manually enter the API key by clicking "Enter the Stripe API key instead" button at the bottom left.
Please refer to this guide - http://www.jotform.com/help/190-How-to-Integrate-Stripe-with-your-Form
Hope this helps. Thank you.