---
title: "Payment declines: troubleshoot common issues | Helcim Learn"
slug: "declined-transactions"
description: "Don't let payment declines slow you down. Find comprehensive guides on resolving credit card, ACH, and bank transaction issues with Helcim."
updated: 2025-06-13T03:21:27Z
published: 2025-06-13T03:21:27Z
canonical: "learn.helcim.com/declined-transactions"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://learn.helcim.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Declined transactions

Payment declines can be frustrating, but they don't have to be a mystery. This series of articles will help you understand the different types of declined transactions you might encounter as a merchant, and how to resolve them quickly and confidently.

### Contents

---

| ![Card vault tool icon in Helcim](https://cdn.document360.io/4e721329-1a9d-4ef0-8d2f-497e0c1f185a/Images/Documentation/card-vault(2).png) | [Understanding credit card declines](/v1/docs/understanding-credit-card-declines) |
| --- | --- |
| ![Card vault tool icon in Helcim](https://cdn.document360.io/4e721329-1a9d-4ef0-8d2f-497e0c1f185a/Images/Documentation/card-vault(2).png) | [Understanding ACH payment returns](/v1/docs/ach-statuses-returns) |
| ![Card vault tool icon in Helcim](https://cdn.document360.io/4e721329-1a9d-4ef0-8d2f-497e0c1f185a/Images/Documentation/card-vault(2).png) | [Failed bank transactions between Helcim and your business](/v1/docs/failed-bank-transactions) |