Call Your API Using the Device Authorization Flow
Auth0 makes it easy for your app to implement the Device Authorization flow using:
Authentication API: Keep reading to learn how to call our API directly. For an interactive experience, read Device Flow Playground.
Prerequisites
Before beginning this tutorial:
Check limitations (below) to be sure the Device Authorization flow is suitable for your implementation.
Register the Application with Auth0.
Select an Application Type of Native.
If necessary, set Allowed Web Origins. You can use this to allow localhost as an origin for local development, or to set an allowed origin for specific TV software with architecture subject to CORS (e.g., HTML5 + JS). Most applications will not use this setting.
Ensure that the OIDC Conformant toggle is enabled. This setting is in the Dashboard under Applications > Application > Advanced Settings > OAuth.
Make sure the Application's Grant Types include Device Code. To learn how, read Update Grant Types.
If you want your Application to be able to use Refresh Tokens, make sure the Application's Grant Types include Refresh Token. To learn how, read Update Grant Types. To learn more about Refresh Tokens, read Refresh Tokens.
Set up and enable at least one connection for the Application: Database connections, Social connections
If you want your API to receive Refresh Tokens to allow it to obtain new tokens when the previous ones expire, enable Allow Offline Access. To learn more about Refresh Tokens, read Refresh Tokens.
Configure Device User Code Settings to define the character set, format, and length of your randomly-generated user code.
Steps
Request device code (Device Flow): Request a device code that the user can use to authorize the device.
Request device activation (Device Flow): Request that the user authorize the device using their laptop or smartphone.
Request tokens (Device Flow): Poll the token endpoint to request a token.
Authorize user (Browser Flow): The user authorizes the device, so the device can receive tokens.
Receive tokens (Device Flow): After the user successfully authorizes the device, receive tokens.
Call API (Device Flow): Use the retrieved Access Token to call your API.
Refresh tokens (Device Flow): Use a Refresh Token to request new tokens when the existing ones expire.
Optional: Explore sample use cases.
Optional: Troubleshoot.
Request device code
Once the user has started their device app and wants to authorize the device, you'll need to get a device code. When the user begins their session in their browser-based device, this code will be bound to that session.
To get the device code, your app must request a code from the device code URL, including the Client ID.
Example POST to device code URL
curl --request POST \
--url 'https://{yourDomain}/oauth/device/code' \
--header 'content-type: application/x-www-form-urlencoded' \
--data 'client_id={yourClientId}' \
--data 'scope={scope}' \
--data 'audience={audience}'
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var client = new RestClient("https://{yourDomain}/oauth/device/code");
var request = new RestRequest(Method.POST);
request.AddHeader("content-type", "application/x-www-form-urlencoded");
request.AddParameter("application/x-www-form-urlencoded", "client_id={yourClientId}&scope=%7Bscope%7D&audience=%7Baudience%7D", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
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package main
import (
"fmt"
"strings"
"net/http"
"io/ioutil"
)
func main() {
url := "https://{yourDomain}/oauth/device/code"
payload := strings.NewReader("client_id={yourClientId}&scope=%7Bscope%7D&audience=%7Baudience%7D")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("content-type", "application/x-www-form-urlencoded")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := ioutil.ReadAll(res.Body)
fmt.Println(res)
fmt.Println(string(body))
}
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HttpResponse<String> response = Unirest.post("https://{yourDomain}/oauth/device/code")
.header("content-type", "application/x-www-form-urlencoded")
.body("client_id={yourClientId}&scope=%7Bscope%7D&audience=%7Baudience%7D")
.asString();
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var axios = require("axios").default;
var options = {
method: 'POST',
url: 'https://{yourDomain}/oauth/device/code',
headers: {'content-type': 'application/x-www-form-urlencoded'},
data: {client_id: '{yourClientId}', scope: '{scope}', audience: '{audience}'}
};
axios.request(options).then(function (response) {
console.log(response.data);
}).catch(function (error) {
console.error(error);
});
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#import <Foundation/Foundation.h>
NSDictionary *headers = @{ @"content-type": @"application/x-www-form-urlencoded" };
NSMutableData *postData = [[NSMutableData alloc] initWithData:[@"client_id={yourClientId}" dataUsingEncoding:NSUTF8StringEncoding]];
[postData appendData:[@"&scope={scope}" dataUsingEncoding:NSUTF8StringEncoding]];
[postData appendData:[@"&audience={audience}" dataUsingEncoding:NSUTF8StringEncoding]];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://{yourDomain}/oauth/device/code"]
cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:10.0];
[request setHTTPMethod:@"POST"];
[request setAllHTTPHeaderFields:headers];
[request setHTTPBody:postData];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request
completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
if (error) {
NSLog(@"%@", error);
} else {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSLog(@"%@", httpResponse);
}
}];
[dataTask resume];
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$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://{yourDomain}/oauth/device/code",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "client_id={yourClientId}&scope=%7Bscope%7D&audience=%7Baudience%7D",
CURLOPT_HTTPHEADER => [
"content-type: application/x-www-form-urlencoded"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
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import http.client
conn = http.client.HTTPSConnection("")
payload = "client_id={yourClientId}&scope=%7Bscope%7D&audience=%7Baudience%7D"
headers = { 'content-type': "application/x-www-form-urlencoded" }
conn.request("POST", "/{yourDomain}/oauth/device/code", payload, headers)
res = conn.getresponse()
data = res.read()
print(data.decode("utf-8"))
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require 'uri'
require 'net/http'
require 'openssl'
url = URI("https://{yourDomain}/oauth/device/code")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
request = Net::HTTP::Post.new(url)
request["content-type"] = 'application/x-www-form-urlencoded'
request.body = "client_id={yourClientId}&scope=%7Bscope%7D&audience=%7Baudience%7D"
response = http.request(request)
puts response.read_body
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import Foundation
let headers = ["content-type": "application/x-www-form-urlencoded"]
let postData = NSMutableData(data: "client_id={yourClientId}".data(using: String.Encoding.utf8)!)
postData.append("&scope={scope}".data(using: String.Encoding.utf8)!)
postData.append("&audience={audience}".data(using: String.Encoding.utf8)!)
let request = NSMutableURLRequest(url: NSURL(string: "https://{yourDomain}/oauth/device/code")! as URL,
cachePolicy: .useProtocolCachePolicy,
timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data
let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
if (error != nil) {
print(error)
} else {
let httpResponse = response as? HTTPURLResponse
print(httpResponse)
}
})
dataTask.resume()
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Device code parameters
Note that when requesting a device code to call a custom API, you:
must include an audience parameter
can include additional scopes supported by the target API
Parameter Name | Description |
---|---|
client_id |
Your application's Client ID. You can find this value in your Application Settings. |
scope |
The scopes for which you want to request authorization. These must be separated by a space. You can request any of the standard OIDC scopes about users, such as profile and email , custom claims conforming to a namespaced format, or any scopes supported by the target API (e.g., read:contacts ). Include openid to get an ID Token or to be able to use the /userinfo endpoint to retrieve profile information for the user. Include offline_access to get a Refresh Token (make sure that the Allow Offline Access field is enabled in the API Settings). Note that this must be URL encoded. |
audience |
The unique identifier of the API your app wants to access. Use the Identifier value on the Settings tab for the API you created as part of the prerequisites for this tutorial. Note that this must be URL encoded. |
Device code response
If all goes well, you'll receive an HTTP 200
response with a payload containing device_code
, user_code
, verification_uri
, and expires_in
, interval
, and verification_uri_complete
values:
{
"device_code": "Ag_EE...ko1p",
"user_code": "QTZL-MCBW",
"verification_uri": "https://accounts.acmetest.org/activate",
"verification_uri_complete": "https://accounts.acmetest.org/activate?user_code=QTZL-MCBW",
"expires_in": 900,
"interval": 5
}
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device_code
is the unique code for the device. When the user goes to theverification_uri
in their browser-based device, this code will be bound to their session.user_code
contains the code that should be input at theverification_uri
to authorize the device.verification_uri
contains the URL the user should visit to authorize the device.verification_uri_complete
contains the complete URL the user should visit to authorize the device. This allows your app to embed theuser_code
in the URL, if you so choose.expires_in
indicates the lifetime (in seconds) of thedevice_code
anduser_code
.interval
indicates the interval (in seconds) at which the app should poll the token URL to request a token.
Request device activation
Once you have received a device_code
and user_code
, you must ask the user to go to the verification_uri
on their laptop or smartphone and enter the user_code
:
The device_code
is not intended for the user directly and should not be displayed during the interaction to avoid confusing the user.
Request tokens
While you are waiting for the user to activate the device, begin polling the token URL to request an Access Token. Using the extracted polling interval (interval
) from the previous step, you will need to POST
to the token URL sending along the device_code
.
To avoid errors due to network latency, you should start counting each interval after receipt of the last polling request's response.
Example request token POST to token URL
curl --request POST \
--url 'https://{yourDomain}/oauth/token' \
--header 'content-type: application/x-www-form-urlencoded' \
--data grant_type=urn:ietf:params:oauth:grant-type:device_code \
--data 'device_code={yourDeviceCode}' \
--data 'client_id={yourClientId}'
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var client = new RestClient("https://{yourDomain}/oauth/token");
var request = new RestRequest(Method.POST);
request.AddHeader("content-type", "application/x-www-form-urlencoded");
request.AddParameter("application/x-www-form-urlencoded", "grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Adevice_code&device_code=%7ByourDeviceCode%7D&client_id={yourClientId}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
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package main
import (
"fmt"
"strings"
"net/http"
"io/ioutil"
)
func main() {
url := "https://{yourDomain}/oauth/token"
payload := strings.NewReader("grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Adevice_code&device_code=%7ByourDeviceCode%7D&client_id={yourClientId}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("content-type", "application/x-www-form-urlencoded")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := ioutil.ReadAll(res.Body)
fmt.Println(res)
fmt.Println(string(body))
}
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HttpResponse<String> response = Unirest.post("https://{yourDomain}/oauth/token")
.header("content-type", "application/x-www-form-urlencoded")
.body("grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Adevice_code&device_code=%7ByourDeviceCode%7D&client_id={yourClientId}")
.asString();
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var axios = require("axios").default;
var options = {
method: 'POST',
url: 'https://{yourDomain}/oauth/token',
headers: {'content-type': 'application/x-www-form-urlencoded'},
data: new URLSearchParams({
grant_type: 'urn:ietf:params:oauth:grant-type:device_code',
device_code: '{yourDeviceCode}',
client_id: '{yourClientId}'
})
};
axios.request(options).then(function (response) {
console.log(response.data);
}).catch(function (error) {
console.error(error);
});
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#import <Foundation/Foundation.h>
NSDictionary *headers = @{ @"content-type": @"application/x-www-form-urlencoded" };
NSMutableData *postData = [[NSMutableData alloc] initWithData:[@"grant_type=urn:ietf:params:oauth:grant-type:device_code" dataUsingEncoding:NSUTF8StringEncoding]];
[postData appendData:[@"&device_code={yourDeviceCode}" dataUsingEncoding:NSUTF8StringEncoding]];
[postData appendData:[@"&client_id={yourClientId}" dataUsingEncoding:NSUTF8StringEncoding]];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://{yourDomain}/oauth/token"]
cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:10.0];
[request setHTTPMethod:@"POST"];
[request setAllHTTPHeaderFields:headers];
[request setHTTPBody:postData];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request
completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
if (error) {
NSLog(@"%@", error);
} else {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSLog(@"%@", httpResponse);
}
}];
[dataTask resume];
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$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://{yourDomain}/oauth/token",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Adevice_code&device_code=%7ByourDeviceCode%7D&client_id={yourClientId}",
CURLOPT_HTTPHEADER => [
"content-type: application/x-www-form-urlencoded"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
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import http.client
conn = http.client.HTTPSConnection("")
payload = "grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Adevice_code&device_code=%7ByourDeviceCode%7D&client_id={yourClientId}"
headers = { 'content-type': "application/x-www-form-urlencoded" }
conn.request("POST", "/{yourDomain}/oauth/token", payload, headers)
res = conn.getresponse()
data = res.read()
print(data.decode("utf-8"))
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require 'uri'
require 'net/http'
require 'openssl'
url = URI("https://{yourDomain}/oauth/token")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
request = Net::HTTP::Post.new(url)
request["content-type"] = 'application/x-www-form-urlencoded'
request.body = "grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Adevice_code&device_code=%7ByourDeviceCode%7D&client_id={yourClientId}"
response = http.request(request)
puts response.read_body
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import Foundation
let headers = ["content-type": "application/x-www-form-urlencoded"]
let postData = NSMutableData(data: "grant_type=urn:ietf:params:oauth:grant-type:device_code".data(using: String.Encoding.utf8)!)
postData.append("&device_code={yourDeviceCode}".data(using: String.Encoding.utf8)!)
postData.append("&client_id={yourClientId}".data(using: String.Encoding.utf8)!)
let request = NSMutableURLRequest(url: NSURL(string: "https://{yourDomain}/oauth/token")! as URL,
cachePolicy: .useProtocolCachePolicy,
timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data
let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
if (error != nil) {
print(error)
} else {
let httpResponse = response as? HTTPURLResponse
print(httpResponse)
}
})
dataTask.resume()
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Token request parameters
Parameter Name | Description |
---|---|
grant_type |
Set this to "urn:ietf:params:oauth:grant-type:device_code". This is an extension grant type (as defined by Section 4.5 of RFC6749). Note that this must be URL encoded. |
device_code |
The device_code retrieved in the previous step of this tutorial. |
client_id |
Your application's Client ID. You can find this value in your Application Settings. |
Token responses
While you wait for the user to authorize the device, you may receive a few different HTTP 4xx
responses:
Authorization pending
You will see this error while waiting for the user to take action. Continue polling using the suggested interval retrieved in the previous step of this tutorial.
HTTP/1.1 403 Forbidden
{
"error": "authorization_pending",
"error_description": "..."
}
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Slow down
You are polling too fast. Slow down and use the suggested interval retrieved in the previous step of this tutorial. To avoid receiving this error due to network latency, you should start counting each interval after receipt of the last polling request's response.
HTTP/1.1 429 Too Many Requests
{
"error": "slow_down",
"error_description": "..."
}
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Expired token
The user has not authorized the device quickly enough, so the `device_code` has expired. Your application should notify the user that the flow has expired and prompt them to reinitiate the flow.
HTTP/1.1 403 Bad Request
{
"error": "expired_token",
"error_description": "..."
}
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Access denied
Finally, if access is denied, you will receive:
HTTP/1.1 403 Forbidden
{
"error": "access_denied",
"error_description": "..."
}
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This can occur for a variety of reasons, including:
the user refused to authorize the device
the authorization server denied the transaction
a configured rule denied access (To learn more, read Auth0 Rules.)
Authorize user
The user will either scan the QR code, or else will open the activation page and enter the user code:
A confirmation page will be shown to have the user confirm that this is the right device:
The user will complete the transaction by signing in. This step may include one or more of the following processes:
Authenticating the user;
Redirecting the user to an Identity Provider to handle authentication;
Checking for active SSO sessions;
Obtaining user consent for the device, unless consent has been previously given.
Upon successful authentication and consent, the confirmation prompt will be shown:
At this point, the user has authenticated, and the device has been authorized.
Receive tokens
While the user has been authenticating and authorizing the device, the device app has continued to poll the token URL to request an Access Token.
Once the user has successfully authorized the device, you'll receive an HTTP 200
response with a payload containing access_token
, refresh_token
(optionally), id_token
(optionally), token_type
, and expires_in
values:
{
"access_token":"eyJz93a...k4laUWw",
"refresh_token":"GEbRxBN...edjnXbL",
"id_token": "eyJ0XAi...4faeEoQ",
"token_type":"Bearer",
"expires_in":86400
}
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Access Tokens are used to call the Auth0 Authentication API's /userinfo
endpoint or another API. (To learn more about Access Tokens, read Access Tokens.) You will be able to use the Access Token to call /userinfo
only if you included the openid
scope. If you are calling your own API, the first thing your API will need to do is verify the Access Token.
ID Tokens contain user information that must be decoded and extracted. (To learn more about ID Tokens, read ID Tokens.) The id_token
will only be present in the response if you included the openid
scope.
Refresh Tokens are used to obtain a new Access Token or ID Token after the previous one has expired. (To learn more about Refresh Tokens, read Refresh Tokens.) The refresh_token
will only be present in the response if you included the offline_access
scope and enabled Allow Offline Access for your API in the Dashboard.
Call your API
To call your API, the application must pass the retrieved Access Token as a Bearer token in the Authorization header of your HTTP request.
curl --request GET \
--url https://myapi.com/api \
--header 'authorization: Bearer ACCESS_TOKEN' \
--header 'content-type: application/json'
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var client = new RestClient("https://myapi.com/api");
var request = new RestRequest(Method.GET);
request.AddHeader("content-type", "application/json");
request.AddHeader("authorization", "Bearer ACCESS_TOKEN");
IRestResponse response = client.Execute(request);
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package main
import (
"fmt"
"net/http"
"io/ioutil"
)
func main() {
url := "https://myapi.com/api"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("content-type", "application/json")
req.Header.Add("authorization", "Bearer ACCESS_TOKEN")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := ioutil.ReadAll(res.Body)
fmt.Println(res)
fmt.Println(string(body))
}
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HttpResponse<String> response = Unirest.get("https://myapi.com/api")
.header("content-type", "application/json")
.header("authorization", "Bearer ACCESS_TOKEN")
.asString();
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var axios = require("axios").default;
var options = {
method: 'GET',
url: 'https://myapi.com/api',
headers: {'content-type': 'application/json', authorization: 'Bearer ACCESS_TOKEN'}
};
axios.request(options).then(function (response) {
console.log(response.data);
}).catch(function (error) {
console.error(error);
});
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#import <Foundation/Foundation.h>
NSDictionary *headers = @{ @"content-type": @"application/json",
@"authorization": @"Bearer ACCESS_TOKEN" };
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://myapi.com/api"]
cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:10.0];
[request setHTTPMethod:@"GET"];
[request setAllHTTPHeaderFields:headers];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request
completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
if (error) {
NSLog(@"%@", error);
} else {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
NSLog(@"%@", httpResponse);
}
}];
[dataTask resume];
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$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://myapi.com/api",
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 ACCESS_TOKEN",
"content-type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
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import http.client
conn = http.client.HTTPSConnection("myapi.com")
headers = {
'content-type': "application/json",
'authorization': "Bearer ACCESS_TOKEN"
}
conn.request("GET", "/api", headers=headers)
res = conn.getresponse()
data = res.read()
print(data.decode("utf-8"))
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require 'uri'
require 'net/http'
require 'openssl'
url = URI("https://myapi.com/api")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
request = Net::HTTP::Get.new(url)
request["content-type"] = 'application/json'
request["authorization"] = 'Bearer ACCESS_TOKEN'
response = http.request(request)
puts response.read_body
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import Foundation
let headers = [
"content-type": "application/json",
"authorization": "Bearer ACCESS_TOKEN"
]
let request = NSMutableURLRequest(url: NSURL(string: "https://myapi.com/api")! as URL,
cachePolicy: .useProtocolCachePolicy,
timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers
let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
if (error != nil) {
print(error)
} else {
let httpResponse = response as? HTTPURLResponse
print(httpResponse)
}
})
dataTask.resume()
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Refresh tokens
You have already received a Refresh Token if you've been following this tutorial and completed the following:
configured your API to allow offline access
included the
offline_access
scope when you initiated the authentication request through the authorize endpoint
You can use the Refresh Token to get a new Access Token. Usually, a user will need a new Access Token only after the previous one expires or when gaining access to a new resource for the first time. It's bad practice to call the endpoint to get a new Access Token every time you call an API, and Auth0 maintains rate limits that will throttle the amount of requests to the endpoint that can be executed using the same token from the same IP.
To refresh your token, make a POST
request to the /oauth/token
endpoint in the Authentication API, using grant_type=refresh_token
.
Example refresh token POST to token URL
curl --request POST \
--url 'https://{yourDomain}/oauth/token' \
--header 'content-type: application/x-www-form-urlencoded' \
--data grant_type=refresh_token \
--data 'client_id={yourClientId}' \
--data 'client_secret={yourClientSecret}' \
--data 'refresh_token={yourRefreshToken}'
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var client = new RestClient("https://{yourDomain}/oauth/token");
var request = new RestRequest(Method.POST);
request.AddHeader("content-type", "application/x-www-form-urlencoded");
request.AddParameter("application/x-www-form-urlencoded", "grant_type=refresh_token&client_id={yourClientId}&client_secret={yourClientSecret}&refresh_token=%7ByourRefreshToken%7D", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);