# Add Block

Launch stage: GA

`POST /api/2.0/dbfs/add-block`

Appends a block of data to the stream specified by the input handle. If the handle does not
 exist, this call will throw an exception with ``RESOURCE_DOES_NOT_EXIST``.

 If the block of data exceeds 1 MB, this call will throw an exception with ``MAX_BLOCK_SIZE_EXCEEDED``.

API scopes: files

## Request body

- `handle` (int64, optional)
  The handle on an open stream.
- `data` (string, optional)
  The base64-encoded data to append to the stream. This has a limit of 1 MB.

## Response

```json
{}
```