IntroductionTrust has been studied in the literature from a variety of ways such as transaction, technology, product, and information content. This study investigates the success factors of electronic transaction, one that presents information delivery to consumers' intention. Trust is important relation with customer and social aspect [1,2]. Trust is a mechanism who controlling a few facilitates related with maintains uncertainty, weakness, and dependency [3,4]. It is showed in online shopping behavior, where customers can not individually to check the subject. In implementation, customer has to limit to get information and resources thereby attempting to the complexity of online transaction directly [5]. Trust refers to the vulnerability and any action on the expectation by other, and this is ability to control the other party [6]. Therefore, trust suggestion becomes considered as component in assessment an implementation.According to TAM (Technology Acceptance Model) model, a user's attitude has the potential to use the system given a hypothesis to determine whether he actually uses it or not. Attitudes towards use, in turn, are based on two main beliefs, namely perceptions of benefits and perceptions of ease of use. Perception of ease of use has a causal effect on perceived benefits. Then it directly affects the perception of benefits and perceptions of ease of use [7]. Abstract: Trust is very important for the sustainability of an online business. Take care of the trust of customers is a must for an online store that is very different from the normal physical store. Due to a number of situations, the seller and the buyer cannot meet in person, the customer cannot see the products we sell directly and the payment process must be through a bank transfer or with an online payment system. This study report and combine technology acceptance model within an information system (IS) success model in the context to assessing trust on electronic transaction succession. The researcher has developed the model base on the input-process-output the IS success models. Study observes how trust and risk affect an Internet consumer's related with intention to use. Development of theoretical framework de-scribing that trust making process a consumer uses when purchase. Success of an electronic transaction on many factors, one of the important is trust. Acquiring customer trust depends on many things such as web site, quality service, and trust tendency. This paper analyses the role of trust from the transaction perspective to building customer trust.