The AdWords API is no longer supported. Use the Google Ads API instead.

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The AdWords API is no longer available for new users. Sign up for the Google Ads API instead.

Developers accepting the Terms and Conditions when applying for a new developer token after April 28, 2021 are only given access to the Google Ads API. Using the token for AdWords API calls results in a QuotaCheckError.INVALID_TOKEN_HEADER error, with the message that new developers must use the Google Ads API.

Developer tokens (including regenerated ones) issued prior to April 28 can still be used for the AdWords API until sunset on April 27, 2022.