# Latest X.509 Public Key Certificate

Our last public key certificate has expired on 07 Nov 2024

Please download the latest Public Key Certificate here

{% file src="/files/H8s7FPPAcBBkzVhQ5WkO" %}

Once you are ready to deploy, follow the following steps (screenshot has been attached below)

1. Login to SDP
2. Edit affected application
3. Select "Renewed certificate"
4. Select Update

<figure><img src="/files/y9IrtPeAumD5KgLB0b8b" alt=""><figcaption><p>Certificate selection on Application Configuration page</p></figcaption></figure>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.developer.singpass.gov.sg/docs/legacy-myinfo-v3-v4/technical-specifications/myinfo-v3/latest-x.509-public-key-certificate.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
