---
title: "Changes to Start an ownership verification challenge"
method: POST
path: "/customers/external-accounts/{externalAccountId}/challenge"
---

# Changes to Start an ownership verification challenge

`POST /customers/external-accounts/{externalAccountId}/challenge`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 24 revisions.

- **2026-08-14** `aaa1fb8782c8` — 1 info

## Changes

- **2026-08-14** `aaa1fb8782c8` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/stainless-api/apis/grid-api/docs/customers/external-accounts/:externalAccountId/challenge/post.md) · [API](https://skmtc.dev/stainless-api/apis/grid-api.md) · [Page](https://skmtc.dev/stainless-api/apis/grid-api/changes/customers/external-accounts/:externalAccountId/challenge/post)