Summary

This message may be misleading. The TeamworkIQ uses API Keys rather than authentication tokens. The most likely cause of this error is an error in the URI path. While some path errors result in 404 or other statuses, TeamworkIQ may reject bogus paths, such as 

  https://api.stg-teamworkiq.com/api/v3/templates/12345/65432/access

  https://api.stg-teamworkiq.com/api/v3/templates/12345/accesssss

  https://api.stg-teamworkiq.com/api/v3/templates

as unauthenticated and return HTTP status 401 with "Missing Authentication Token".

If you are seeing this error, 

  1. Check whether your API Key is valid by invoking
    https://api.stg-teamworkiq.com/api/v3/templates/12345/access
    using a known-to-work third-party tool like cURL or PostMan.

  2. Verify that your URI path is correct.

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