The invention provides a data pushing method and a data pushing device based on an open application programming interface. The method comprises the following steps: correspondingly storing first identity information and first privilege information of data providing clients in response to registration requests sent by the data providing clients; authenticating the current first identity information and the current first privilege information of the current data providing client in response to a call request of a current open application programming interface initiated by the current data providing client; establishing a long connection with the current data providing client if the current first identity information and the current first privilege information of the current data providing client pass authentication; and receiving target data pushed by the current data providing client on the long connection. According to the embodiment, call of a lot of Open APIs in a short period of time is avoided, and the pushing efficiency during big data pushing is improved. Due to less interaction between the clients and a server, the pressure of the server is reduced, and the performance of the server is improved.