Lin Murata worked at the business growing up, doing everything from sales to filing paperwork to working the cash register. "My parents, they're very old school, and all the existing solutions were excruciating to use, and we realized there was a real need for a frictionless B2B payments solution," said Lin Murata. It's a tall order to digitize B2B payments — companies ranging from middle-market companies and mom-and-pop shops have been notoriously hard to penetrate and spur technological change. Of the $125 trillion market for global B2B payments, only a fraction of transactions — less than $6 trillion according to Slope's pitch deck — occur online. The latest investment brings Slope's total funding to $187 million, with $62 million in equity and $125 million in debt capital.

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Persons: Lawrence Lin Murata, Lin Murata, Alice Deng, Deng, Sam Altman, OpenAI's Sam Altman Organizations: Union Square Ventures, OpenAI's Locations: China, Brazil, Slope's