See: https://www.nacha.org/system/files/resources/Network-Admin-Fees-2018.pdf https://www.nacha.org/system/files/resources/Network-Admin-F... Essentially $0.00

See: https://www.nacha.org/system/files/resources/Network-Admin-Fees-2018.pdf https://www.nacha.org/system/files/resources/Network-Admin-F... Essentially $0.000185 per transaction ($18.50 per 100,000 transactions) + the cost of maintaining their own infrastructure.