diff --git a/src/Providers/Socialite/IntuitProvider.php b/src/Providers/Socialite/IntuitProvider.php
index 2c43f4a..1f83e3c 100644
--- a/src/Providers/Socialite/IntuitProvider.php
+++ b/src/Providers/Socialite/IntuitProvider.php
@@ -2,13 +2,18 @@
 
 namespace Intuit\Providers\Socialite;
 
+use Carbon\Carbon;
+use GuzzleHttp\RequestOptions;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Facades\Auth;
+use Laravel\Passport\Exceptions\InvalidAuthTokenException;
 use Laravel\Socialite\Two\InvalidStateException;
 use Laravel\Socialite\Two\ProviderInterface;
 use Laravel\Socialite\Two\AbstractProvider;
 use Laravel\Socialite\Two\User as SocialUser;
 
+use App\Models\{ProviderOauth,ProviderToken};
+
 class IntuitProvider extends AbstractProvider implements ProviderInterface
 {
 	private const hosts = [
@@ -79,4 +84,54 @@ class IntuitProvider extends AbstractProvider implements ProviderInterface
 			->setRefreshToken(Arr::get($details,'refresh_token'))
 			->setExpiresIn(Arr::get($details,'expires_in'));
 	}
+
+	/* METHODS */
+
+	public function getAuthorisationHeader(ProviderOauth $po): array
+	{
+		return [
+			'Accept' => 'application/json',
+			'Authorization' => sprintf('Basic %s',base64_encode($this->clientId.':'.$this->clientSecret)),
+			'Content-Type' => 'application/x-www-form-urlencoded'
+		];
+	}
+
+	public function getRefreshTokenFields(string $refreshtoken): array
+	{
+		return [
+			'grant_type' => 'refresh_token',
+			'refresh_token' => $refreshtoken,
+		];
+	}
+
+	public function refreshtoken(ProviderToken $to): bool
+	{
+		$response = $this->getHttpClient()->post($this->getTokenUrl(), [
+			RequestOptions::HEADERS => $this->getAuthorisationHeader($to->provider),
+			RequestOptions::FORM_PARAMS => $this->getRefreshTokenFields($to->refresh_token),
+		]);
+
+		switch ($response->getStatusCode()) {
+			case '200':
+				$body = json_decode($response->getBody(), true);
+
+				if (Arr::get($body,'token_type') !== 'bearer')
+					throw new InvalidAuthTokenException(sprintf('Invalid response [%d] didnt get a bearer token for [%s] (%s)',$response->getStatusCode(),$to->user->email,$body));
+
+				$to->access_token = Arr::get($body,'access_token');
+				$to->access_token_expires_at = Carbon::now()->addSeconds(Arr::get($body,'expires_in'));
+
+				// If the refresh token changed
+				if (($x=Arr::get($body,'refresh_token')) !== $to->refresh_token) {
+					$to->refresh_token = $x;
+					$to->refresh_token_expires_at = Carbon::now()->addSeconds(Arr::get($body,'x_refresh_token_expires_in'));
+				}
+				$to->save();
+
+				return TRUE;
+
+			default:
+				throw new InvalidAuthTokenException(sprintf('Invalid response [%d] refreshing token for [%s] (%s)',$response->getStatusCode(),$to->user->email,$response->getBody()));
+		}
+	}
 }
\ No newline at end of file