discourse/app/views/user_api_keys/otp.html.erb

<h1><%= t("user_api_key.otp_description", application_name: @application_name) %></h1>
<div class='authorize-api-key'>
<%= form_tag(user_api_key_otp_path) do %>
  <%= hidden_field_tag 'application_name', @application_name %>
  <%= hidden_field_tag 'public_key', @public_key%>
  <%= hidden_field_tag('auth_redirect', @auth_redirect) %>
  <%= submit_tag t('user_api_key.authorize'), class: 'btn btn-primary' %>
<% end %>
</div>