Update Datastream Value

Update the Datastream value

GET https://{server_address}/external/api/update?token={token}&{pin}={value}

This endpoint allows you to update the value of the Datastream value via GET request. Example: https://blynk.cloud/external/api/update?token=ffujYGgbf805tgsf&v1=100

Path Parameters

Name	Type	Description

200 Success

400

{"error":{"message":"Invalid token."}}
or
{"error":{"message":"Wrong pin format."}}
or
{"error":{"message":"Value doesn't match the Datastream data type."}}
or
{"error":{"message":"No datastream setup for that pin."}}

You can get the Device auth token in Device info.

Update value by Datastream ID

GET https://{server_address}/external/api/update?token={token}&dataStreamId={id}&value={value}

{% swagger-response status="400" description="Could not find a device token or Wrong dataStreamId format or Value doesn't match the Datastream data type" %}

{"error":{"message":"Invalid token."}}

or

{"error":{"message":"Wrong dataStreamId format."}}

or

{"error":{"message":"Value doesn't match the Datastream data type"}}

To update Datastreams that have 2 values, for example Location Datastream, use this call:

/external/api/update?token={token}&dataStreamId={id}&value=lon&value=lat

or

/external/api/update?token={token}&pin=V1&value=lon&value=lat