Afinis API Catalog Initiate ACH Credit Swagger Specifications link Technical documentation link Initiate ACH Debit Swagger Specifications link Technical documentation link IAR Swagger Specifications link Technical documentation link IAR Plus Swagger Specifications link Technical documentation link ACH Credit Transaction Status Swagger specifications link Technical documentation link ACH Debit Transaction Status Swagger specifications link Technical documentation link ACH Transaction Status by Instruction ID Swagger specifications link Technical documentation link ACH Transaction Status by Transaction ID Swagger specifications link Technical documentation link Initiate Wire Swagger Specifications link Technical documentation link Get Wire Status Swagger Specifications link Technical documentation link Initiate Instant Payment Swagger Specifications link Technical documentation link Instant Payment Transfer Swagger Specifications link Technical documentation link Initiate Payment Swagger Specifications link Technical documentation link Reporting ACH Return Info Swagger Specifications link Technical documentation link Authorize to Pay Swagger specifications link Technical documentation link Pay Me Swagger specifications link Technical documentation link Account Validation – Credit Swagger specifications link Technical documentation link Account Validation – Debit Swagger specifications link Technical documentation link Account Validation Plus Name Swagger specifications link Technical documentation link AV Plus Name Plus RET Swagger Specifications link Technical documentation link Real Time Billing Account Val Swagger specifications link Technical documentation link Corporate Account Balances Swagger specifications link Technical documentation link Corporate Account History Swagger specifications link Technical documentation link Corporate Account Detail Swagger specifications link Technical documentation link Payee Profile Swagger specifications link Technical documentation link Request for WSUD Swagger specifications link Technical documentation link Proof of Authorization Swagger specifications link Technical documentation link Get Bank Contact Swagger specifications link Technical documentation link Get Bank Contact v2 – Input Swagger specifications link Technical documentation link Get Bank Contact v2 – Retrieve Swagger specifications link Technical documentation link Related Content Accreditation Press Release Inaugural National Nacha Accreditation Day Honors Nearly 6,000 Payments Professionals February 10, 2026 Phixius by Nacha and Kinexys by J.P. Morgan Integration Goes Live, Expanding Multi-Responder Account Validation Network February 5, 2026 Blog From New Rules to a New Accreditation and More, a Busy 2026 Ahead at Nacha January 29, 2026 Nacha Operating Rules Risk Management Blog Next Steps for the New Nacha Risk Management Rules April 3, 2026
Accreditation Press Release Inaugural National Nacha Accreditation Day Honors Nearly 6,000 Payments Professionals February 10, 2026
Phixius by Nacha and Kinexys by J.P. Morgan Integration Goes Live, Expanding Multi-Responder Account Validation Network February 5, 2026
Nacha Operating Rules Risk Management Blog Next Steps for the New Nacha Risk Management Rules April 3, 2026
