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Get Project REST API v3 cannot find matches

Moduon Loom
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May 4, 2026

When using Get Project REST API v3:

https://developer.atlassian.com/cloud/jira/platform/rest/v3/api-group-projects/#api-rest-api-3-project-projectidorkey-get

 

Always return 404 and "No project could be found with key 'XXXXXX'" is the message.

This was working recently...

Using ID of the project instead of key doesn't work too.

 

I've tested removing the "expand" query parameters but always fails.

 

This endpoint has been working on production environments for almost 3 years.

Anyone could help?

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Moduon Loom
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May 5, 2026

Solution: Token has expired

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Akash Singh
Community Champion
May 4, 2026

Hi @Moduon Loom

Could you please confirm whether the account or API key being used has the required Browse Projects permission for the target project?

Additionally, if possible, could you share the API endpoint you’re using in your request (with any site-specific or sensitive details masked)?

Moduon Loom
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May 5, 2026

Thanks for your reponse,

I've checked with my customer and the problem was the token was expired.

 

Thank you for your quick response

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