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What are the specs…

Specs & limits

Sizes, lengths, limits and lists you need while building ads.

Basics

Ads Insights API error codesWhat do Ads Insights API error codes mean?Marketing API rate limitsHow do Marketing API rate limits work?

Budgets & campaigns

Ad placementsWhere can Facebook ads appear across Meta's apps?

Creative & formats

Ad text lengthHow long can Facebook ad text be?Catalog image specsWhat are Meta's image requirements for catalog products?Feed required fieldsWhat fields does a Meta product catalog feed need?Image ad sizesWhat size should Facebook ad images be?Reels ad safe zoneWhat is the safe zone for Reels ads?Video ad specsWhat are the video specs for Facebook video ads?

Instagram & beyond

Instagram ad sizesWhat size should Instagram ads be?

Tracking & measurement

Standard eventsWhat are Meta's standard events for the pixel?