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DHL Express – Invalid Credentials

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Invalid Credentials

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If you receive the “Invalid Credentials” error, it means that the data you pasted into our plugin is incorrect.

Please double-check if every character of these details is correct:

  • DHL Express Account Number
  • API Key
  • API Secret

Additionally, please set a new demo site, activate the DHL Express Live Rates PRO, and paste your credentials. That will help to verify if there’s anything on your web hosting that’s blocking the connection.

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