API Reference
Test Data
Test data is important to use in our Sandbox environment because it offers a way to use reliable forced responses.
Phone and Personal Information
- Use any valid US or CA phone number, real or fake
- The expected OTP is
123123
- Personal information does not need to be real
Test Credit Cards
Brand | Number | CVC | Expiration |
---|---|---|---|
Visa | 4242424242424242 | Any 3 digits | Any future date |
Mastercard | 5555555555554444 | Any 3 digits | Any future date |
Amex | 371449635398431 | Any 4 digits | Any future date |
Amex | 378282246310005 | Any 4 digits | Any future date |
Discover | 6011111111111117 | Any 3 digits | Any future date |
Checkout Testing
- Use your sandbox API keys when testing in a test environment
- Use your production API keys when testing in a live environment
-
On your website, add an item to your cart, then proceed to Checkout and select
Sezzle
as the payment method -
Click
Place Order
If you are redirected to the Sezzle checkout page, your integration is complete.
-
In sandbox, use the above test data to complete the Sezzle checkout and you should be redirected back to your website
In production, BE CAREFUL when completing the Sezzle checkout, as you will be charged. You can identify the Sezzle environment by observing if “sandbox” is included in the Sezzle checkout URL.