---
title: "Set Endpoint Headers"
method: PUT
path: "/api/v1/app/{app_id}/endpoint/{endpoint_id}/headers"
tags: ["Endpoint"]
---

# Set Endpoint Headers

`PUT /api/v1/app/{app_id}/endpoint/{endpoint_id}/headers`

Set the additional headers to be sent with the webhook.

## Path parameters

- `app_id` string, required — The Application's ID or UID.
- `endpoint_id` string, required — The Endpoint's ID or UID.

## Request body

- EndpointHeadersIn
  - `headers` object, required

## Response `204`

no content

## Other responses

- `400` — Bad request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `409` — Conflict
- `422` — Validation Error
- `429` — Too Many Requests

## Changes

- **2026-08-19** `dc130bd1b074` — 1 info
  - api operation id `v1.endpoint.update-headers` removed and replaced with `v1.endpoint.set-headers`

[Change history](https://skmtc.dev/svix/apis/svix-api/changes/api/v1/app/:app_id/endpoint/:endpoint_id/headers/put.md)

---

[API](https://skmtc.dev/svix/apis/svix-api.md) · [All operations](https://skmtc.dev/svix/apis/svix-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/svix/svix-api/revisions/267f7078e536/schema)