Afinis Initiate Instant Payment API (IIP)
Afinis Initiate Instant Payment (IIP) API enabling a business to make an instant payment through its financial institution, mapping to US real-time rails (RTP and FedNow).
Documentation
APIReference
https://app.swaggerhub.com/apis/ASIG/Initiate_Instant_Payment_API/1.0.6
Documentation
https://www.nacha.org/content/apis-development