---
title: "Retrieves the attestation signing keys in use by the attestation service"
method: GET
path: "/certs"
tags: ["OpenID Metadata Discovery"]
---

# Retrieves the attestation signing keys in use by the attestation service

`GET /certs`

Retrieves metadata signing certificates in use by the attestation service

## Response `200`

Success

- JSONWebKeySet — unresolved $ref

## Other responses

- `default` — Error response describing why the operation failed

## Changes

- **2026-07-13** (2018-09-01-preview) `74e240995f3e` — 1 breaking, 1 info
  - added the new required `query` request parameter `api-version`
  - api tag `OpenID Metadata Discovery` removed
- **2026-07-13** (2018-09-01-preview) `e2463a10f80d` — 3 info
  - api tag `Attestation Provider` added
  - api tag `OpenID Metadata Discovery` removed
  - added the non-success response with the status `400`
- **2026-07-13** (2018-09-01-preview) `cb7cc16888f7` — 3 info
  - api tag `OpenID Metadata Discovery` added
  - api tag `Attestation Provider` removed
  - removed the non-success response with the status `400`

[Change history](https://skmtc.dev/azure/apis/attestation-attestation/changes/certs/get.md)

---

[API](https://skmtc.dev/azure/apis/attestation-attestation.md) · [All operations](https://skmtc.dev/azure/apis/attestation-attestation/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/azure/attestation-attestation/revisions/f6d2d76e034a/schema)