> For the complete documentation index, see [llms.txt](https://docs-v3.toucantoco.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs-v3.toucantoco.com/visualizations-and-layouts/embedding/embed-sdk/embed-sdk-authentication.md).

# Embed SDK Authentication

Some methods are calling directly Toucan's API, such as:

* [sendPDFReport](/visualizations-and-layouts/embedding/embed-sdk.md#sendpdfreport)
* [insertEmbedById](/visualizations-and-layouts/embedding/embed-sdk.md#insertembedbyid)

If you want to use those methods, you need to pass an authentication token when initializing the SDK. It requires an opaque token, follow the steps to [authenticate embeds](/visualizations-and-layouts/embedding/authentication.md).

As for the embed context, we recommend to use this payload:

{% code lineNumbers="true" %}

```javascript
{
  // You need these fields from the examples in the embed manager
  "iss": "https://<YOUR TENANT ID>-embed",
  "aud": "https://<YOUR INSTANCE URL>/api/auth/realms/<YOUR TENANT ID>",
  // Unix timestamp in seconds since 1970-01-01
  "exp": <TIMESTAMP_IN_FUTURE>,
  "jti": "<RANDOM_UNIQUE_ID>",
  "sub": "toucan-embed-client",
  "embed_context": {
    "username": "SDK_TOKEN",
    // to get from admin interface
    "workspace_id": "WORKSPACE_ID"
    "roles": ["ADMIN"],
    // ADMIN role grant access to all apps
    "privileges": {},
    "groups": [],
    "attributes": {}
  }
}
```

{% endcode %}


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