Seeking Suggestions for Online Bill Payment Solutions

Hi everyone! I'm looking for recommendations on the best online bill payment solutions available today. What platforms have you found to be user-friendly and secure? Are there specific features that you think are essential, like reminders or integration with budgeting tools? I’m also curious about any challenges you’ve faced with these services. Have you experienced any issues with fees or customer support? Your insights would be really helpful as I navigate my options. Thanks in advance for your suggestions!