“Architecting Modern FinTech Systems with APIs: Approaches and Solutions” (2025) ISCSITR- INTERNATIONAL JOURNAL OF COMPUTER SCIENCE AND ENGINEERING (ISCSITR-IJCSE) - ISSN: 3067-7394, 6(2), pp. 26–38. Available at: https://iscsitr.in/index.php/ISCSITR-IJCSE/article/view/ISCSITR-IJCSE_2025_06_02_004 (Accessed: 26 March 2026).