Token API
The Token API in Drupal exists to allow replacement of placeholders in text—”tokens”—with contextual values that match those placeholders.
Overview of Token API
A short introduction to Token API and what it can do.
How to use Token API
Covering the most common methods of using Token API.
Token API hooks
Details for how to use Token API’s hooks.
Tokens available in Drupal core
List of tokens that are available in Drupal core.
Token upgrade guides
Information on how to upgrade Token API usage between major versions of Drupal.