# Afinis IAR Plus API

**Canonical:** https://apis.io/apis/nacha/nacha-iar-plus/  
**Provider:** Nacha — https://apis.io/providers/nacha/  
**Base URL:** https://api.asig.org/payments/v1  
**Documentation:** https://app.swaggerhub.com/apis/ASIG/IAR_Plus/1.0.1

Afinis IAR Plus API is one of 24 APIs that [Nacha](https://apis.io/providers/nacha/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include ACH, Cross-Border, and IAT. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, and API documentation.

Afinis IAR Plus API, an extended International ACH Remittance message for incoming IAT credits carrying additional remittance detail.

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/nacha/refs/heads/main/openapi/nacha-iar-plus.json
- **APIReference** — https://app.swaggerhub.com/apis/ASIG/IAR_Plus/1.0.1
- **Documentation** — https://www.nacha.org/content/apis-development
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/nacha/refs/heads/main/overlays/nacha-iar-plus-overlay.yaml

## Other Nacha APIs (12)

- [Afinis Initiate ACH Payment API](https://apis.io/apis/nacha/nacha-initiate-payment/)
- [Afinis International ACH Remittance (IAR) API](https://apis.io/apis/nacha/nacha-iar/)
- [Afinis Transaction Status API](https://apis.io/apis/nacha/nacha-transaction-status/)
- [Afinis Initiate Wire Payment API](https://apis.io/apis/nacha/nacha-initiate-wire-payment/)
- [Afinis Get Wire Status API](https://apis.io/apis/nacha/nacha-get-wire-status/)
- [Afinis Initiate Instant Payment API (IIP)](https://apis.io/apis/nacha/nacha-initiate-instant-payment/)
- [Afinis Instant Payment Transfer API (IPT)](https://apis.io/apis/nacha/nacha-instant-payment-transfer/)
- [Afinis Initiate Payment API](https://apis.io/apis/nacha/nacha-initiate-payment-api/)
- [Afinis Reporting ACH Return (RET) API](https://apis.io/apis/nacha/nacha-ret/)
- [Afinis Authorize to Pay (Debit Authorizations) API](https://apis.io/apis/nacha/nacha-authorize-to-pay/)
- [Afinis Pay Me API](https://apis.io/apis/nacha/nacha-pay-me/)
- [Afinis Account Validation API](https://apis.io/apis/nacha/nacha-account-validation/)

## Tags

ACH, Cross-Border, IAT

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/nacha/nacha-iar-plus/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/nacha/.