How long does it take for the vendor to receive my payment after a bill is paid? Kunal Kohli December 28, 2022 20:06 Updated 1 to 3 business days. Please note that any transfers made on weekends or holidays may take longer than usual to process. Related articles Are there any fees associated with Bill Pay? What type of security do we require? What are the features of Bill Pay? Can I use Bill Pay by Ampla without integrating with my accounting software? Why should I use Bill Pay? Comments 0 comments Please sign in to leave a comment.