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How to Send Data to Smartvatten from an External Source

Explains how external water meter data can be sent to Smartvatten

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Written by Aleksandra
Updated this week

You can use the Smartvatten HUB even if your meters are not Smartvatten devices.

Smartvatten provides an OPEN API that allows you to send your own water meter readings (POST requests) directly to our platform.
Once the data is received, it will appear in the Smartvatten HUB where you can:

  • View consumption graphs

  • Export data

  • Use all standard HUB tools

We offer a dedicated endpoint for storing externally collected readings:

POST /ext/save

Example request body:

[
{
"deviceId": "1aq3e4q2",
"timestamp": "2025-01-01T23:51:00.000Z",
"value": 342.761
}
]

deviceId — the Smartvatten Device ID linked to your external meter

  • timestamp — reading time in UTC (ISO 8601 format)

  • value — cumulative meter value at that timestamp

You can find full API documentation here:
https://data.flowone.io/api-docs/#/

If you're interested in setting this up, contact integrations@smartvatten.com for technical guidance.

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