> For the complete documentation index, see [llms.txt](https://dev.guardian.hedera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.guardian.hedera.com/guardian/standard-registry/external-events/send-data-using-the-external-data-apis.md).

# Send Data using the External Data APIs

Endpoint for submitting data from an external source directly to a running Guardian policy block. Used to feed MRV or other external data into a policy workflow.

**Authentication:** Bearer token required (`Authorization: Bearer <token>`)

***

| Method | Endpoint           | Description                                                                            | Auth Required |
| ------ | ------------------ | -------------------------------------------------------------------------------------- | ------------- |
| `POST` | `/api/v1/external` | Sends data from an external source to the matching policy block by owner and block tag | No            |

## Endpoints

* [Sends Data from an External Source](/guardian/standard-registry/external-events/send-data-using-the-external-data-apis/sends-data-from-an-external-source.md)