Shifting from a 32 to 64 bit restrict for Potential Attain

Today we’re introducing a new field called “approximate_count_64bit” on the “Saved Audience” endpoint of the Marketing API that supports larger numbers and updates the previous bit limit for the global potential range estimate to replace the current “approximate_count” field. When querying data from this endpoint, use approximate_count_64bi instead of approximate_count, which updates the global estimate to reflect the current numbers. The original field will remain available with a 32-bit limit for the time being, but may no longer be supported.

Potential Reach estimates how many people an ad could potentially reach, based on the targeting and ad placement options advertisers select when creating an ad. It is not an estimate of how many people will actually see an ad and it can change over time.

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