Because
1. your end-user has re-authenticated, invalidating the previous access token or
2. there is more than one access token for the same credentials_id
in your database.
Your access_token
has a credentials_key
attached to it that TrueLayer uses to decrypt the token and provide you with data access. Only the most recent credentials_key
is able to decrypt an access_token
for a credentials_id
.
Still having problems?
- Check if you are storing only the most recent access token in your database.
- Check if your development team are not all using the same
clientId
and bank account. You could be invalidating each other's tokens.
If you need more information...
Have a look at our comprehensive list of the authentication error descriptions in our API documentation.
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