Ruby HTTP Clients in 2025

At the dayjob, we do payments, both credit card and bank transfers. Over the years, I’ve done over a dozen integrations to support the banks our customers use, using a mix of HTTP and SFTP. The latest one we had was working with a bank that used an HTTP API to submit transactions, but was extremely picky about how the request was made. We needed to make an HTTP call with: a custom Authorization…