---
title: "Retrieve JSON metadata stored with a process under a key"
method: GET
path: "/api/v3/process/{id}/metadata/{key}"
tags: ["v16.7.2"]
---

# Retrieve JSON metadata stored with a process under a key

`GET /api/v3/process/{id}/metadata/{key}`

Retrieve the previously stored JSON metadata under the given key. If the key is empty, all metadata will be returned.

## Path parameters

- `id` string, required
- `key` string, required

## Response `200`

OK

- unknown

## Other responses

- `400` — Bad Request
- `404` — Not Found

## Changes

- **2022-10-13** `37e2216cc6a2` — 1 info
  - api tag `v16.7.2` added
- **2022-07-29** `44bcbc1544e1` — 1 info
  - api operation id `restream-3-get-process-metadata` removed and replaced with `process-3-get-process-metadata`
- **2022-05-13** `d0614126abfa` — 2 info
  - api operation id `process-3-get-process-metadata` removed and replaced with `restream-3-get-process-metadata`
  - api tag `v16.7.2` removed

[Change history](https://skmtc.dev/datarhei/apis/datarhei-core-api/changes/api/v3/process/:id/metadata/:key/get.md)

---

[API](https://skmtc.dev/datarhei/apis/datarhei-core-api.md) · [All operations](https://skmtc.dev/datarhei/apis/datarhei-core-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/datarhei/datarhei-core-api/revisions/0197dcdcdd5a/schema)