---
title: "Changes to Create dead letter"
method: POST
path: "/v2/pipelines/{pipeline_key}/dead_letters"
---

# Changes to Create dead letter

`POST /v2/pipelines/{pipeline_key}/dead_letters`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 13 revisions.

- **2026-09-14** `c94fd099d78b` — 2 info

## Changes

- **2026-09-14** `c94fd099d78b` — 2 info
  - added the new optional request property `operation`
  - added the required property `operation` to the response with the `201` status

---

[Operation](https://skmtc.dev/vectara/apis/vectara-rest-api-v2/docs/v2/pipelines/:pipeline_key/dead_letters/post.md) · [API](https://skmtc.dev/vectara/apis/vectara-rest-api-v2.md) · [Page](https://skmtc.dev/vectara/apis/vectara-rest-api-v2/changes/v2/pipelines/:pipeline_key/dead_letters/post)