---
title: "Modify an existing software stack"
method: PUT
path: "/api/target_nodes/software_stacks"
tags: ["Target Nodes"]
---

# Modify an existing software stack

`PUT /api/target_nodes/software_stacks`

Modify an existing software stack with AMI and configuration details

## Headers

- `X-EDH-USER` string, required
- `X-EDH-TOKEN` string, required

## Response `200`

Software stack updated successfully

- object
  - `success` boolean, required
  - `message` string, required

## Other responses

- `400` — Invalid input parameters
- `401` — Missing authentication header
- `404` — Software stack not found
- `500` — AWS API error or internal server error

## Changes

- **2026-08-15** (v1) `058396b8f0f1` — 2 info
  - the endpoint scheme security `socaAuth AND socaToken` was added to the API
  - the endpoint scheme security `edhAuth AND edhToken` was removed from the API
- **2026-04-21** (v1) `6db97cead8df` — 2 info
  - the endpoint scheme security `edhAuth AND edhToken` was added to the API
  - the endpoint scheme security `socaAuth AND socaToken` was removed from the API
- **2026-04-16** (v1) `50051f4491c5` — 2 breaking, 2 warning
  - added the new required `header` request parameter `X-EDH-TOKEN`
  - added the new required `header` request parameter `X-EDH-USER`
  - deleted the `header` request parameter `X-SOCA-TOKEN`
  - deleted the `header` request parameter `X-SOCA-USER`
- **2025-11-17** (v1) `0f78e4dd8dcc` — 1 info
  - endpoint added
- **2025-08-05** (v1) `55c07c16d2e1` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/aws-samples/apis/engineering-development-hub-edh-api/changes/api/target_nodes/software_stacks/put.md)

---

[API](https://skmtc.dev/aws-samples/apis/engineering-development-hub-edh-api.md) · [All operations](https://skmtc.dev/aws-samples/apis/engineering-development-hub-edh-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/aws-samples/engineering-development-hub-edh-api/revisions/058396b8f0f1/schema)