获得贝宝的访问令牌从令牌刷新

问题描述：

当我尝试通过卷曲或成功邮递员得到响应从刷新令牌获得的access_token，获得贝宝的访问令牌从令牌刷新

REQUEST

POST /v1/oauth2/token HTTP/1.1 
Host: api.sandbox.paypal.com 
Content-Type: application/x-www-form-urlencoded 
Authorization: Basic QVZZeWdRa2dSX3pScmtJT25PZXVz..... 
Cache-Control: no-cache 

grant_type=refresh_token&refresh_token=-Q1_6fEwUDQ0ci0CJIA......

结果

{ 
"scope":"phone https://uri.paypal.com/services/subscriptions https://api.paypal.com/v1/payments/.* address email https://api.paypal.com/v1/vault/credit-card https://uri.paypal.com/services/applications/webhooks https://uri.paypal.com/services/payments/futurepayments openid https://api.paypal.com/v1/vault/credit-card/.*","nonce":"2016-11-08T13:58:45Zm5eDiRGyJIDC9EwX7DRl6aB7IPlRl-cjoS_E3Ro8sCo", 
"access_token":"A103.CfI6WQaDmEqrQ.....", 
"token_type":"Bearer", 
"app_id":"APP-80W28448....", 
"expires_in":28796 
}

但是，当我做贝宝网SDK这样一回事，

var apiContext = PaypalConfiguration.GetAPIContext(); 
var tokenInfo = new Tokeninfo(); 
tokenInfo.refresh_token = "-Q1_6fEwUDQ0ci0CJIA7BtG_Ey4i...."; 
var refreshTokenParams = new CreateFromRefreshTokenParameters(); 
var token = tokenInfo.CreateFromRefreshToken(apiContext, refreshTokenParams);

我不断收到这个响应，

{ 
"error_description":"POST /v1/oauth2/token returned a response status of 400 Bad Request", 
"error":"400", 
"correlation_id":"46ecefc761f3f", 
"information_link":"https://developer.paypal.com/docs/api/#errors" 
}

我的模式设置为沙盒，客户端ID和客户端密钥是正确的为沙盒。

能否请你告诉我，我错了或者有什么问题Paypal-NET-SDK？

答

有这一直fixed的错误。

答

尝试它对于.NET SDK

byte[] bytes = Encoding.UTF8.GetBytes("ClientId:ClientSecret"); 
      string base64 = Convert.ToBase64String(bytes); 
      var client = new RestClient("https://api.sandbox.paypal.com/v1/identity/openidconnect/tokenservice"); 
      var request = new RestRequest(Method.POST); 
      request.AddHeader("postman-token", "3c08eb6d-d6fb-a622-5d21-e9f1a6daa3ce"); 
      request.AddHeader("cache-control", "no-cache"); 
      request.AddHeader("content-type", "application/x-www-form-urlencoded"); 
      request.AddHeader("authorization", "Basic " + base64); 
      request.AddParameter("application/x-www-form-urlencoded", "grant_type=refresh_token&refresh_token=" + dataFilter.RefreshToken, ParameterType.RequestBody); 
      IRestResponse response = client.Execute(request);

获得贝宝的访问令牌从令牌刷新

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