Open Banking Limited reported that the UK’s major high street banks have processed more than one billion Open Banking payments since the initiative’s launch more than eight years ago, while API calls across the CMA9 banks have exceeded 100 billion. Monthly API traffic reached a record 2.81 billion calls in June, up 4.4% from the previous month. Open Banking payments totaled 40.16 million in June. Single Domestic Payments declined 1.2% month on month, while Variable Recurring Payments rose 6.7%, supporting overall volumes. Average response times improved by 50 milliseconds to 349 milliseconds.