Cancel ACH Transaction

Use the Cancel ACH Transaction endpoint to cancel a transaction that you created with the Create ACH Transaction endpoint. You cannot cancel the ACH transaction after the ACH binaries have processed it.

For more information on this endpoint see Canceling an ACH transaction in the ACH Endpoints guide.

Form Data
string
required

Web service username, as provided by Galileo.
Pattern: Max 50 characters
Example: "AbC123-9999"

string
required

Web service password, as provided by Galileo.
Pattern: Max 15 characters
Example: "4sb62fh6w4h7w34g"

int32
required

Galileo-issued provider identifier.
Pattern: Max 10 digits
Example: 9999

string
required
1 to 60

A unique provider-generated ID to identify this API call. A UUID is preferred.
Pattern: 60 characters or less
Example: "9845dk-39fdk3fj3-4483483478"

string
required

The PRN or PAN of the account.
Pattern: PAN or PRN
Example: "074103447228"

int32
required
≥ 1

ACH transaction identifier (ach_transaction_id) of the transaction to cancel, as returned by the Create ACH Transaction endpoint.
Pattern: Positive integer
Example: 34890348

Headers
string
Defaults to json

Use xml or json to specify the type of response. The default value is xml. Use this instead of the standard accept header.

Response

Status codes

See Global Response Statuses for status codes that are common across endpoints.

The table below lists status codes that apply to this specific endpoint.

Status codeDescription
431-01ACH transaction not found
431-02ACH transaction in error status
431-03ACH transaction already canceled
431-04ACH transaction can not be canceled
431-05ACH transaction has been processed and cannot be canceled
Language
URL
Click Try It! to start a request and see the response here! Or choose an example:
application/json
application/xml

© Galileo Financial Technologies, LLC 2025    Privacy Disclosure

All documentation, including but not limited to text, graphics, images, and any other content, are the exclusive property of Galileo Financial Technologies, LLC and are protected by copyright laws. These materials may not be reproduced, distributed, transmitted, displayed, or otherwise used without the prior written permission of Galileo Financial Technologies, LLC. Any unauthorized use or reproduction of these materials are expressly prohibited.