---
title: "Changes to Validate an existing alias"
method: POST
path: "/v1/transactions/validate"
---

# Changes to Validate an existing alias

`POST /v1/transactions/validate`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `78b27ccc5443`: 5 warning, 1 info

## Changes

- **2026-11-03** `78b27ccc5443`: 5 warning, 1 info
  - added the new `CONCURRENT_LIMIT_REACHED` enum value to the `error/code` response property for the response status `400`
  - added the new `NOT_FOUND` enum value to the `error/code` response property for the response status `400`
  - added the new `ROUTING_LOOKUP_FAILED` enum value to the `error/code` response property for the response status `400`
  - added the new `ROUTING_NOT_CONFIGURED` enum value to the `error/code` response property for the response status `400`
  - added the new `ROUTING_NOT_FOUND` enum value to the `error/code` response property for the response status `400`
  - added the new optional request property `card/3D/dsTransId`

---

[Operation](https://skmtc.dev/pci-proxy/apis/pci-proxy-api-reference-datatrans-endpoints/docs/v1/transactions/validate/post.md) - [API](https://skmtc.dev/pci-proxy/apis/pci-proxy-api-reference-datatrans-endpoints.md) - [Page](https://skmtc.dev/pci-proxy/apis/pci-proxy-api-reference-datatrans-endpoints/changes/v1/transactions/validate/post)