A method of providing an O2O-based multiplatform production service integrating social media, marketing, and e-commerce is provided, and receiving a design template selected from at least one design template pre-stored from the operator terminal, selected from the operator terminal In the design template, receiving text and images corresponding to business information in a predetermined frame item, receiving at least one type of API pre-stored from the operator terminal, and pre-mapped and stored in the selected at least one type of API. And inputting an input information item from the operator terminal, and generating a platform to include the selected design template, text and image corresponding to the business site information, and at least one type of API, and outputting the platform to a web page.
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