---
title: "Changes to Register a new Credit Card."
method: POST
path: "/creditCards"
---

# Changes to Register a new Credit Card.

`POST /creditCards`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `04d5b0da2197`: 2 breaking, 2 warning, 2 info

## Changes

- **2026-11-03** `04d5b0da2197`: 2 breaking, 2 warning, 2 info
  - the `billingAddress/emailAddress` request property format changed from no format to `email`
  - the `contactInformation/items/emailAddress` request property format changed from no format to `email`
  - the `billingAddress/emailAddress` request property's maxLength was set to `255`
  - the `contactInformation/items/emailAddress` request property's maxLength was set to `255`
  - the request property `ipAddress` became optional
  - the `billingAddress/emailAddress` request property's minLength was decreased from `1` to `0`

---

[Operation](https://skmtc.dev/tangocard/apis/tango-api/docs/creditCards/post.md) - [API](https://skmtc.dev/tangocard/apis/tango-api.md) - [Page](https://skmtc.dev/tangocard/apis/tango-api/changes/creditCards/post)