September 14, 2022

Pre-release Notes for September 20, 2022

Reminder of two upcoming breaking changes

Earlier this year, we announced two breaking changes that you should be aware of. Please refer to this announcement for more details, and reach out to [email protected] should you have any questions.

  • Modification to the Transaction schema where the[].amount field will become signed (deployed to Sandbox on August 30 and coming to Production on September 27)
  • Modification to the Simulate Authorizations feature where if a simulated transaction is declined, a 200 response is returned to indicate a successful decline (coming to Sandbox on September 27; no Production impact)

IP addresses and webhooks with HMAC verification

Since the transaction webhooks and KYC/KYB webhooks sent by Lithic can support HMAC verification, the IP addresses from which those webhooks are sent are subject to change.