---
title: "Changes to Retrieve a batch of pre-generated certificates (the outcome of a batch certificate creation task) either as a downloadable zip file (default) or as a list of pre-signed urls."
method: GET
path: "/certificates/{taskId}"
---

# Changes to Retrieve a batch of pre-generated certificates (the outcome of a batch certificate creation task) either as a downloadable zip file (default) or as a list of pre-signed urls.

`GET /certificates/{taskId}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 3 revisions.

- **2021-12-29** `d7859da15bfc` — 1 warning, 5 info

## Changes

- **2021-12-29** `d7859da15bfc` — 1 warning, 5 info
  - the optional response header `location` removed for the status `303`
  - api operation id `getBulkCertificates` removed and replaced with `getCertificates`
  - added the new optional `query` request parameter `downloadType`
  - added the media type `application/vnd.aws-cdf-v1.0+json` for the response with the status `200`
  - added the media type `application/vnd.aws-cdf-v1.0+json` for the response with the status `404`
  - added the media type `application/zip` for the response with the status `200`

---

[Operation](https://skmtc.dev/aws-samples/apis/aws-connected-device-framework-bulk-certs/docs/certificates/:taskId/get.md) · [API](https://skmtc.dev/aws-samples/apis/aws-connected-device-framework-bulk-certs.md) · [Page](https://skmtc.dev/aws-samples/apis/aws-connected-device-framework-bulk-certs/changes/certificates/:taskId/get)