Mercari, an online marketplace for second-hand goods, said consumers can use buy now, pay later services from Zip Co., formerly Quadpay, on its Web site.Buy now, pay later specialist Uplift Inc. said consumers who book with Sixthman, a music-festival organizer on cruise ships, can pay for their tickets in monthly installments. Sixthman is …

Buy now, pay later specialist Affirm Inc. late Friday announced it had clinched the e-commerce giant Amazon.com Inc. as a client, securing a source of enormous volume and sending its stock soaring Monday morning. The news follows the enablement in May of Affirm’s service for hundreds of thousands of U.S. merchants …

Visa Inc. rolled out its buy now, pay later application programming interface technology to allow merchants to integrate the BNPL functionality more quickly. Visa is working with payments provider i2c in the rollout.In related news, buy now, pay later specialist Klarna AB announced it has launched in Poland with H&M, a Sweden-based clothing …

On the heels of Square Inc.’s acquisition of Afterpay Ltd., other buy now, pay later providers are jockeying to boost their position in the hotly competitive BNPL market.  Sezzle Inc. struck a deal Tuesday with e-commerce platform BigCommerce Holdings Inc. to become its preferred BNPL partner. BigCommerce will integrate Sezzle …

Square Inc.’s acquisition of Afterpay Ltd. is expected to give Square a ready-made product in the hotly competitive buy now, pay later market that it can quickly plug into its consumer and merchant applications to make it an immediate force in BNPL.  Square on Sunday announced it was acquiring Afterpay, …