---
title: "Retrieves the OpenID Configuration data for the Azure Attestation Service"
method: GET
path: "/.well-known/openid-configuration"
tags: ["Attestation Provider"]
---

# Retrieves the OpenID Configuration data for the Azure Attestation Service

`GET /.well-known/openid-configuration`

Retrieves metadata about the attestation signing keys in use by the attestation service

## Response `200`

Success

- object

## Other responses

- `400` — Error processing the request
- `default` — Error response describing why the operation failed

## Changes

- **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/.well-known/openid-configuration/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.dev/azure/apis/attestation-attestation/revisions/e2463a10f80d?raw)