This study aims (1) to analyze how online marketing influences purchasing decisions in citrasari haruan (2) to analyze how product availability influences purchasing decisions in citrasari haruan (3) to analyze how trust influences purchasing decisions in citrasari haruan (4) to analyze how online marketing influences trust in citrasari haruan (5) to analyze how product availability influences trust in citrasari haruan (6) to analyze how trust mediates some of the influence of online marketing on purchasing decisions at citrasari haruan (7) to analyze how trust mediates some of the influence of product availability on purchasing decisions at SME citrasari haruan crackers.

This study uses quantitative methods with variable: online marketing, product availability, purchasing decisions and trust. In this study, 100 respondents were surveyed using a purposive sampling technique using a questionnaire. The data analysis technique used is path analysis. The data wa analyze using the Smart PLS application.

The results showed (1) online marketing directly has a positive and significant influence on purchasing decisions on consumer purchase decisions at citrasari haruan crackers (2) product availability directly has a positive and significant influence on consumer purchase decisions at citrasari haruan crackers (3) trust directly has a positive and significant influence on consumer purchase decisions at citrasari haruan crackers (4) online marketing directly has a positive and significant influence on consumer trust in citrasari haruan crackers (5) product availability directly has a positive and significant influence on consumer trust in citrasari haruan crackers (6) trust partially mediates the influence of online marketing on purchasing decisions for haruan citrasari (7) trust partially mediates the influence of product availability on purchasing decisions for haruan citrasari.

Keywords: Online Marketing, Product Availability, Trust, Purchasing decisions,, Haruan Citrasari Crackers.