Generate or refresh an access token

post https://auth.truelayer.com/connect/token

Generate an access_tokenyou can use to make requests to our APIs. Choose:

Option 1 to generate an access_token and refresh_token for the Data API.
Option 2 to generate a new access_token for the Data API using a refresh_token.
Option 3 to generate an access_token for the Payments API v3.