---
title: "Changes to Get Destination Auth Key"
method: POST
path: "/checkout/destination-auth-key"
---

# Changes to Get Destination Auth Key

`POST /checkout/destination-auth-key`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 43 revisions.

- **2026-09-17** `81b590227b14`: 1 warning, 1 info
- **2026-09-12** `66b771d6d31f`: 1 info
- **2026-08-29** `430f04d8d2a9`: 1 breaking, 2 warning, 1 info

## Changes

- **2026-09-17** `81b590227b14`: 1 warning, 1 info
  - deleted the `header` request parameter `Authorization`
  - the endpoint scheme security `merchant` was added to the API
- **2026-09-12** `66b771d6d31f`: 1 info
  - api operation id `get-destination-auth-key` removed and replaced with `checkout_GetDestinationAuthKey`
- **2026-08-29** `430f04d8d2a9`: 1 breaking, 2 warning, 1 info
  - the request's body type changed from `object` to no type
  - removed the request property `blockchain`
  - removed the request property `destination`
  - added `#/components/schemas/SingleDestination, #/components/schemas/MultipleAmountDestination, #/components/schemas/MultiplePercentageDestination` to the request body `oneOf` list

---

[Operation](https://skmtc.dev/coinflow/apis/api-reference/docs/checkout/destination-auth-key/post.md) - [API](https://skmtc.dev/coinflow/apis/api-reference.md) - [Page](https://skmtc.dev/coinflow/apis/api-reference/changes/checkout/destination-auth-key/post)