Inclusion Criteria:  Age ≥ 18 years Eligible to access services on the JomTest online platform Not known to be HCV antibody positive Not tested for HCV within the last 6 months Able to read and understand Bahasa Malaysia or English Able to understand the scope of the study and provide online informed consent  Exclusion Criteria:  • Self-reported previously confirmed positive HCV status (either antibody or RNA)