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# Tokenization

Transparent Tokenization is useful if you retrieve sensitive data from 3rd-party APIs (booking engines, partners, etc.). In this model, your application would construct the same HTTPS POST (or GET) that it does today, with a few minor changes used to authenticate your request and locate the sensitive data in the 3rd party's response. TokenEx would then issue the request to the 3rd-party API and tokenize the sensitive data in the response. Your application would receive the same response that it currently does, albeit containing tokens in place of the sensitive data.

> **Info**
>
> If one or more headers are expected from the endpoint, you can request they be included in the response by providing the header names as a comma-separated list within the optional TX\_Headers header.

Tokenize supports the following HTTP verbs: GET, POST