Retailers

Online and mobile payments processor WePay's has seen the number of developers using its application programming interface (API) grow by 284% in the past year.

In a crowded field of Square-like vendors, the Berlin-based SumUp hopes to stand out by virtue of its executive experience, its strong partnerships and funding, and a more comprehensive role in developing its own hardware as well as its software and services.

The concept of using the payments stream to promote donations is compelling because it provides an easy way to link everyday consumer payments with charitable giving.

Twitter's decision to hire a head of commerce signals that the company plans to play a significant role alongside the many companies that have sought to transform the social media site into a platform for payments.

PayPal has made its portable chip-and-PIN card reader, called PayPal Here, available to all merchants in the U.K.

Visa Inc. and MasterCard Inc. will pursue a multibillion-dollar antitrust settlement with U.S. merchants over credit card fees even though opposition to the deal reached a level that would have allowed the card firms to walk away, according to the head of MasterCard.

As the Federal Trade Commission continues what it describes as an "ongoing crackdown on payment processors" allegedly engaged in fraudulent or deceptive practices, the merchant acquiring industry is ratcheting up efforts to respond to the ongoing enforcement actions and proactively address future oversight.

The demise of PerkStreet, a startup that offered generous cash back on debit card purchases, illustrates how the business is changing. Interchange-funded rewards are out; merchant-funded perks are in.

Facebook’s new mobile checkout initiative brings heft to the power of social data in areas such as advertising and payments risk, and aims to improve the user experience on mobile apps.

A new Braintree service is designed to help market-style businesses streamline the process of splitting incoming consumer payments between their online stores and selling partners.

A federal judge raised the possibility that banks will have to repay billions of dollars to merchants, but legal experts say the court lacks the authority to enact such an order.

Canadian financial services technology developer Davis and Henderson closed its $1.2 billion acquisition of Lake Mary, Fla.-based Harland Financial Solutions on Friday.

Stripe, a technology company that helps other companies accept payments online, is formally launching its British service.

Collection agency Monarch Recovery Management has extended its payment infrastructure by adding a Web portal using technology from BillingTree.

A court ruling that debit card fee caps be lowered could also enable merchants to play card networks against one another.

Mobile payments provider Square Inc. faces fines of $507,000 from Florida regulators for operating in the state without a money transmitter license.

In the race to provide consumers with identity verification tools that are simple and easy to use, it's in everyone's best interest to ensure that businesses are not sacrificing data security in the process.

Honey, which obtains coupon codes for consumers who shop online, plans to use its data management and analytic tools to enable merchants to offer coupons directly to Honey users in real time.

Mercury Payment Systems LLC now offers software tools for application developers to use to enroll merchants online for Mercury's payment processing and card services.

To create effective mobile payments products, developers must treat merchants and consumers as separate customer segments that have of inextricably-linked needs.