Hi Nikunj,
Thank you for raising this concern to the Google Ads API team.
Moving forward, it seems that you are using the AdWords API. Kindly note that the
AdWords API has already sunset. However, to give you an idea about the
INVALID_TOKEN_HEADER that you have encountered, then you may refer to this
document which shows you the common causes and prevention tip for this error.
Regards,
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| Carmela |
| Google Ads API Team |
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