---
title: "Full-auth Vs Partial-auth Reversals Simplified"
description: "Explained the differences between Full auth reversal and Partial auth reversals with examples."
url: https://srinimf.com/2020/09/08/full-auth-vs-partial-auth-reversals-simplified/
date: 2020-09-08
modified: 2026-10-20
author: "Srini"
image: https://i0.wp.com/srinimf.com/wp-content/uploads/2020/09/pexels-photo-3769747.jpeg?fit=1880%2C1226&ssl=1
categories: ["Credit Cards domain knowledge"]
tags: ["Partial vs Full auth reversals"]
type: post
lang: en
---

# Full-auth Vs Partial-auth Reversals Simplified

The reversals that made on full authorization and partial authorization are tricky [to understand](https://srinimf.com/2017/02/17/the-best-explained-void-reversal-and-returns/) in one leg. Here are the differences between these two.

## Full Authorization Reversal

- You did a purchase for $100, and your card balance only is $50. Then, you said you will give a check for the balance. Merchant completes partial Auth.
- After some time, you decided to cancel that and to pay the entire amount with a check. Then, the merchant reverses the $50. This is called partial Authorization reversal or full authorization reversal.

Let me put it precisely, If you paid full $100 with card, that is called full Auth. If you paid a partial amount of $50, that is called partial Auth.

![Full-auth Vs Partial-auth Reversals Simplified](https://i0.wp.com/srinimf.com/wp-content/uploads/2021/06/reversals.png?resize=673%2C644&ssl=1)*Full-auth Vs Partial-auth Reversals Simplified*

## Partial Authorization Reversal

- Suppose, you purchased for $100, you paid with card the full amount. Just after that, the Merchant decides to give a discount of $10. To do this, Merchant will initiate partial Auth reversal.
- During the settlement time, Merchant runs partial-auth reversal transaction. The acquirer then notifies the reversed amount (Discount $10) to the card issuer. The reversed amount credits to your card.

References

- [Full Authorization Reversal](https://www.hostmerchantservices.com/articles/partial-authorization-2/)
- [Partial Authorization Reversal](https://epayments.developer-ingenico.com/services/authorization-reversal)

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