Why are my `credentials_id` changing for the same user?

On Open Banking connections, if a user re-authenticates and select a different number of accounts to give consent to, this will also generate a different credentials_id.

Solutions

What to do next?

• Add other persistent identifiers to map the users on your side such as sort code, account number or credit card number (all can be retrieved calling the /accounts and /cards endpoints).
• Use our new reauthentication flow to preserve the credentials_id