Background: In the new economy, due to the increasing competition among e-businesses, it is important to have a proper business model in e-businesses for success in business. Purpose: The purpose of this study is to investigate the factors affecting the e-business model in Iranian startups. Method: The statistical population of this study consisted of ten Iranian startups. Given the size of population, sample was selected through the census of 113 individuals. Main variables of the study include key partners, key activities, key resources, value proposition, customer relationship, communication channels, cost structure, revenue streams, e-business culture, supply chain. Data were collected through interview, questionnaire and documentation. After extracting the dimensions of e-business model, a questionnaire was developed. The questionnaires were distributed to Delphi experts and then according to Delphi experts, final questionnaire was prepared and distributed to the managers and stakeholders of e-businesses. Delphi hourly method was used to determine the validity of questionnaire and Cronbach's alpha method was used to determine the reliability. Data analysis technique was performed through structural equations. Results: In this study, the impact of key partners, key activities, key resources, value proposition, customer relationship, communication channels, cost structure, revenue flow, e-business culture, supply chain on e-businesses was proven. Conclusion: Dimensions of e-business model increase productivity and success in Iranian startups by affecting Iranian startups.