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Documentation Index

Fetch the complete documentation index at: https://docs.sezzle.com/llms.txt

Use this file to discover all available pages before exploring further.

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 phone number. We do not send OTPs to this number in Sandbox
  • The expected OTP is 123123
  • Personal information does not need to be real
  • For Tax ID Numbers, any value in the expected format will be accepted

Test Credit Cards

Shopper accounts will require a credit card for the first installment at checkout.
BrandNumberCVCExpiration
Visa4242424242424242Any 3 digitsAny future date
Mastercard5555555555554444Any 3 digitsAny future date
Amex371449635398431Any 4 digitsAny future date
Amex378282246310005Any 4 digitsAny future date
Discover6011111111111117Any 3 digitsAny future date

Test Bank Account

Merchant accounts may need a bank account in Sandbox to issue refunds. Shopper accounts may need a bank account in Sandbox to pay off outstanding loans. USD:
  • Routing number: 110000000
  • Account number: 000123456789
CAD:
  • Account Number: 000123456789
  • Institution Number: 000
  • Transit Number: 11000

API Keys