Sources familiar with the situation had earlier said the companies were seeking a $18 billion (S$24 billion) merger. Neither firm confirmed a valuation for the merged group, named GoTo.
The deal comes as Gojek and Tokopedia seek to boost profitability some 10 years after they were founded by offering a bouquet of services under a single platform, extending a regional trend.
ALSO READ: Gojek, Tokopedia aim for $23b merger in first half of 2021: Sources
Alibaba Group Holding and SoftBank Group Corp are among Tokopedia's investors, while Gojek's include Warburg Pincus and Tencent Holdings.
Last month, Southeast Asia's biggest ride-hailing and food delivery firm, Grab, clinched a $40 billion merger with a special purpose acquisition company. Meanwhile Singapore-based regional internet firm Sea Ltd, which operates e-commerce platform Shopee, is also muscling into food delivery and financial services.