Does the Stored Data API ever return null transactionId? November 07, 2021 09:20 Updated The Stored Data API returns transactionId values as passed by banks. Some banks do not pass these to DirectID. In these cases, the API returns these values as null. You can read more in our Developer Documentation. Related articles Does DirectID return personally identifiable information other than bank data? Bank of Scotland: Known issues Halifax UK: Logging in on desktop If a user revokes consent via online banking, is this updated in the Consent API? With screen-scraping connections, does DirectID store users' credentials?