---
title: "Changes to Create an ACH Prenotification"
method: POST
path: "/ach_prenotifications"
---

# Changes to Create an ACH Prenotification

`POST /ach_prenotifications`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 98 revisions.

- **2026-07-26** `df2b1ead4c49`: 2 info
- **2026-07-13** `64a92a8cc343`: 1 breaking, 8 info
- **2026-04-15** `8976b540ed44`: 2 breaking

## Changes

- **2026-07-26** `df2b1ead4c49`: 2 info
  - the `credit_debit_indicator` request property default value `debit` was added
  - the `standard_entry_class_code` request property default value `corporate_credit_or_debit` was added
- **2026-07-13** `64a92a8cc343`: 1 breaking, 8 info
  - removed the required property `notifications_of_change/items/corrected_data` from the response with the `200` status
  - added `subschema #8, subschema #10` to the `allOf[#/components/schemas/error]/` response property `anyOf` list for the response status `4XX`
  - added `subschema #8, subschema #10` to the `allOf[#/components/schemas/error]/` response property `anyOf` list for the response status `5XX`
  - removed `subschema #8, subschema #10` from the `allOf[#/components/schemas/error]/` response property `anyOf` list for the response status `4XX`
  - removed `subschema #8, subschema #10` from the `allOf[#/components/schemas/error]/` response property `anyOf` list for the response status `5XX`
  - added the required property `notifications_of_change/items/corrected_account_funding` to the response with the `200` status
  - added the required property `notifications_of_change/items/corrected_account_number` to the response with the `200` status
  - added the required property `notifications_of_change/items/corrected_individual_id` to the response with the `200` status
  - added the required property `notifications_of_change/items/corrected_routing_number` to the response with the `200` status
- **2026-04-15** `8976b540ed44`: 2 breaking
  - added the pattern `^[0-9]*$` to the request property `routing_number`
  - added the pattern `^[a-zA-Z0-9]*$` to the request property `account_number`

---

[Operation](https://skmtc.dev/increase/apis/increase-api-2/docs/ach_prenotifications/post.md) - [API](https://skmtc.dev/increase/apis/increase-api-2.md) - [Page](https://skmtc.dev/increase/apis/increase-api-2/changes/ach_prenotifications/post)