> For the complete documentation index, see [llms.txt](https://docs.guardianservice.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.guardianservice.app/technical-information/users/standard-registry-users-schemas-and-policies/policies/available-policy-workflow-blocks/http-request-block.md).

# Http Request Block

This block for retrieving information from outside (3rd party) services via HTTP requests

## Properties

| Property Name    | Description                                                                       | Example                   |
| ---------------- | --------------------------------------------------------------------------------- | ------------------------- |
| Tag              | Unique name for the logic block.                                                  | Http\_Block               |
| Permissions      | Which entity has rights to interact at this part of the workflow.                 | Standard Registry         |
| Default Active   | Shows whether this block is active at this time and whether it needs to be shown. | Checked or Unchecked      |
| Stop Propagation | End processing here, don't pass control to the next block.                        | Checked or Unchecked      |
| On Errors        | Called if the system error has occurs in the Block                                | No Entry/Retry            |
| URL              | URL of the external service end point                                             | <http://localhost:8080>   |
| Method           | HTTP method of the request                                                        | GET/POST/DELETE/PUT/PATCH |
| Body             | Body of the HTTP request                                                          | $(document)               |
| Headers          | Additional HTTP headers (can be used for authentication purposes)                 | Bearer $(document).Source |

<figure><img src="/files/070apE8zoCx3Y4rqIkRI" alt=""><figcaption></figcaption></figure>

## 2. Dynamic Variables

The values of the URL, Body and Header parameters  can contain variables of the format ${variable}.

Possible values are as follows:

* “did” – DID of the current user
* “username” – name of the current user
* “document” or “documents” – a single document or an array of document correspondingly, which have been passed to the block on entry