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How to authenticate user with two-factor authentication (2FA) enabled?

We use code-based authentication in our app. This works fine for accounts that do not have 2FA enabled. However, if 2FA gets enabled for an account, then it fails with the following error:

"invalid_client: Authentication error, invalid authentication method, lack of credentials, etc. STATUS CODE: 401. API RESPONSE: ."

How to authenticate user with two-factor authentication (2FA) enabled?
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this problem
  • ScottF (Official Rep) April 17, 2020 20:32
    For questions related to the ecobee Developer API or your developer account, please visit the ecobee Developer API Support Portal:

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