Fintech unicorn Razorpay has confidentially filed for an initial public offering (IPO), according to a newspaper advertisement.

ET had earlier reported that the company was preparing to confidentially for IPO. The digital payments company is looking to raise between $600 million and $700 million, multiple people familiar with the matter had told said.

The expected valuation is being pegged at $5-6 billion, a markdown from its peak of $7.5 billion more than four years ago.