Is this Rails JSON authentication API (using Devise) secure?

Is this Rails JSON authentication API (using Devise) secure?

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Devise API authentication [closed]

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Ruby on Rails 3 - to_json not including all attributes

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User Registration in Devise through API

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Overriding devise SessionsController destroy

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How to skip Devise authentication when using an API key?

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How to make Devise authentication respond to JSON only?

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How to return custom JSON after successful sign_in in devise_token_auth gem?

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User auth example in Rails 3, using Devise, OmniAuth, Mongoid, and JSON responses

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Customize Devise user JSON response on creation of a user account

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Rails 3 + devise - How to get devise to respond with JSON

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uninitialized constant devise::controllers::internalhelpers

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Create User in Devise from JSON

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How to test json login in devise with rspec

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Using Devise 1.3 to authenticate JSON login requests

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