---
title: "Changes to Create an External Account"
method: POST
path: "/external_accounts"
---

# Changes to Create an External Account

`POST /external_accounts`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 98 revisions.

- **2026-07-26** `df2b1ead4c49`: 1 info
- **2026-07-13** `64a92a8cc343`: 4 info
- **2026-04-15** `8976b540ed44`: 2 breaking

## Changes

- **2026-07-26** `df2b1ead4c49`: 1 info
  - the `funding` request property default value `checking` was added
- **2026-07-13** `64a92a8cc343`: 4 info
  - 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`
- **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/external_accounts/post.md) - [API](https://skmtc.dev/increase/apis/increase-api-2.md) - [Page](https://skmtc.dev/increase/apis/increase-api-2/changes/external_accounts/post)