JavaScript SDK
const units = await client.units.list();res = client.units.list()curl --request GET \
--url https://{cluster}.cognitedata.com/api/v1/projects/{project}/units \
--header 'Authorization: Bearer <token>'<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://{cluster}.cognitedata.com/api/v1/projects/{project}/units",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://{cluster}.cognitedata.com/api/v1/projects/{project}/units"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://{cluster}.cognitedata.com/api/v1/projects/{project}/units")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://{cluster}.cognitedata.com/api/v1/projects/{project}/units")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"items": [
{
"externalId": "temperature:deg_c",
"name": "DEG_C",
"longName": "degree Celsius",
"symbol": "°C",
"aliasNames": [
"°C",
"C",
"deg C",
"degC",
"DegC"
],
"quantity": "Temperature",
"conversion": {
"multiplier": 1,
"offset": 273.15
},
"source": "qudt.org",
"sourceReference": "http://qudt.org/vocab/unit/DEG_C"
}
]
}List all units
List all units.
GET
/
units
JavaScript SDK
const units = await client.units.list();res = client.units.list()curl --request GET \
--url https://{cluster}.cognitedata.com/api/v1/projects/{project}/units \
--header 'Authorization: Bearer <token>'<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://{cluster}.cognitedata.com/api/v1/projects/{project}/units",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://{cluster}.cognitedata.com/api/v1/projects/{project}/units"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://{cluster}.cognitedata.com/api/v1/projects/{project}/units")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://{cluster}.cognitedata.com/api/v1/projects/{project}/units")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"items": [
{
"externalId": "temperature:deg_c",
"name": "DEG_C",
"longName": "degree Celsius",
"symbol": "°C",
"aliasNames": [
"°C",
"C",
"deg C",
"degC",
"DegC"
],
"quantity": "Temperature",
"conversion": {
"multiplier": 1,
"offset": 273.15
},
"source": "qudt.org",
"sourceReference": "http://qudt.org/vocab/unit/DEG_C"
}
]
}Authorizations
oidc-tokenoauth2-client-credentialsoauth2-open-industrial-dataoauth2-auth-code
Access token issued by the CDF project's configured identity provider. Access token must be an OpenID Connect token, and the project must be configured to accept OpenID Connect tokens. Use a header key of 'Authorization' with a value of 'Bearer $accesstoken'. The token can be obtained through any flow supported by the identity provider.
Response
200 - application/json
Response with a list of units
Show child attributes
Show child attributes
Last modified on July 10, 2026
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