Topsort, whose API allows small businesses to simplify their ad campaigns, raised a $20M Series A led by Upload Ventures, bringing its total raised to $28.6M (Christine Hall/TechCrunch)

Christine Hall / TechCrunch:

Topsort, whose API allows small businesses to simplify their ad campaigns, raised a $20M Series A led by Upload Ventures, bringing its total raised to $28.6M  —  Regina Ye says she and Topsort co-founder Francisco Larrain have learned a lot in the two years since their auction-powered advertising startup launched.