FAQ
What is an Authenticity Token error?
We use a mechanism to prevent Cross-site request forgery. The protection is only activated for Requests that were made by a browser. Only the POST/PUT/DELETE HTTP Methods are checked.
If you receive this error in your application you probably forgot to set the correct HTTP Content-Type and Accept Header. See API Formats for more information.
How long are the OAuth Access Tokens valid?
The Access Token has an unlimited life span. It only becomes invalid when a User revokes access rights to your application in the settings on the Tagcrumbs website. See API Authentication for more information.
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