# Get Device Metadata Value

You can get the value of any single-value (text, number, email, hostspot, device name, list, int, imei, image, iccid, device owner email) device meta field using it **exact name** (case sensitive).

**loc.latlon** is special hardcoded internal meta field to get device location "lat lon".

## Get Device Metafield Value

<mark style="color:blue;">`GET`</mark> `https://{server_address}/external/api/device/meta?token={token}&metaFieldId={metaFieldId}`

{% swagger-response status="400" description="Could not find a device token or Wrong metaField format or Could not find metaField id" %}

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

or

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

or

{"error":{"message":"MetaField doesn't exist."}}
```

{% hint style="info" %}
You can get the **Device auth token** in [Device info](https://bit.ly/BlynkSimpleAuth).
{% endhint %}


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.blynk.io/en/blynk.cloud/device-https-api/get-device-metafield-value.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.