Hello,
AdWords API does not support cross-account requests and this includes
reporting. In order to retrieve data for all accounts, you need to pull one
report per account and merge them on your side.
This can also be done in parallel, for a reference we have one example in
Ruby:
https://
I am new to Adwords and I am trying to figure out if there is a way to
download report(Keyword performance) for all accounts and campaigns (single
report) using the Adwords API. I am able to get the report for individual
ClientCustomerIds, but I want it at the level of all accounts and
campaign