Find on this page Open Banking Sandbox Root CA and Issuing CA public certificates.
Download the certificates (right click link and download file) and check the hashes as you normally would for any protected content entering your organisation.
Please upload the root and issuing certificates to your trust stores and edge services that need to trust Open Banking Issued certificates as required, following your normal internal processes.
These certificates are provided without any representation or warranty. Any use of these certificate(s) is subject to the Open Banking Limited Certificate Policy. Open Banking Limited is not liable for any loss or costs arising from the possession or receipt of these certificate(s).
The hash value below should be used to validate certificates are correct and have been uncorrupted in transit.
Hash – Root Cert
3C 97 AD 3F 63 9B 21 EF 00 F3 39 93 90 61 6C 8A 7D 0D 5F 03
Hash – Issuing Cert
06 A0 6C 4C 45 77 A7 87 81 16 B1 CF 39 3E 7D 4F 9A D7 B6 8E