The payment processing company has now raised $75m altogether, after securing $40m in a Rakuten-backed round.

US-based payments processing service WePay raised $40 yesterday in a series D round featuring e-commerce company Rakuten that was led by venture capital firm FTV Capital.

Existing investors Highland Capital Partners, August Capital, Continental Investors and Ignition Partners also participated in the round.

WePay operates a payments processing platform that enables users to pay for products and services online without merchants having to worry about providing the secure infrastructure themselves.

The company’s clients include crowdfunding website GoFundMe, cloud-based accounting service…