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B4X

PayPal - Execute Approved PayPal Payment

See more PayPal Examples

Executes an approved PayPal payment. (This is for executing an approved PayPal payment, not a credit card payment.)

Note: This example requires Chilkat v9.5.0.65 or greater.

Chilkat B4X Downloads

B4X
Dim success As Boolean = False

'  Note: Requires Chilkat v9.5.0.65 or greater..

'  This requires the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

'  Load our previously obtained access token. (see PayPal OAuth2 Access Token)
Dim jsonToken As ChilkatJsonObject
jsonToken.Initialize
jsonToken.LoadFile("qa_data/tokens/paypal.json")

'  Build the Authorization request header field value.
Dim sbAuth As ChilkatStringBuilder
sbAuth.Initialize
'  token_type should be "Bearer"
sbAuth.Append(jsonToken.StringOf("token_type"))
sbAuth.Append(" ")
sbAuth.Append(jsonToken.StringOf("access_token"))

'  Make the initial connection.
'  A single REST object, once connected, can be used for many PayPal REST API calls.
'  The auto-reconnect indicates that if the already-established HTTPS connection is closed,
'  then it will be automatically re-established as needed.
Dim rest As ChilkatRest
rest.Initialize("rest")
Dim bAutoReconnect As Boolean = True
success = rest.Connect("api.sandbox.paypal.com", 443, True, bAutoReconnect)
If success <> True Then
    Log(rest.LastErrorText)
    Return
End If


'  ----------------------------------------------------------------------------------------------
'  The code above this comment could be placed inside a function/subroutine within the application
'  because the connection does not need to be made for every request.  Once the connection is made
'  the app may send many requests..
'  ----------------------------------------------------------------------------------------------

'  Build the JSON containing the payer_id
Dim json As ChilkatJsonObject
json.Initialize
json.EmitCompact = False
json.AppendString("payer_id", "RRCYJUTFJGZTA")
Log(json.Emit)

'  The JSON created by the above code:

'  	{ 
'  	  "payer_id": "RRCYJUTFJGZTA"
'  	}

rest.AddHeader("Authorization", sbAuth.GetAsString)
rest.AddHeader("Content-Type", "application/json")

'  The payment ID is passed in the path.
Dim sbPath As ChilkatStringBuilder
sbPath.Initialize
sbPath.Append("/v1/payments/payment/payment_id/execute")
Dim numReplaced As Int = sbPath.Replace("payment_id", "PAY-4N746561P0587231SKQQK6MY")

'  Send the POST request containign the JSON in the request body, and get the JSON response.
Dim sbJsonRequest As ChilkatStringBuilder
sbJsonRequest.Initialize
json.EmitCompact = True
json.EmitSb(sbJsonRequest)
Dim sbJsonResponse As ChilkatStringBuilder
sbJsonResponse.Initialize
success = rest.FullRequestSb("POST", sbPath.GetAsString, sbJsonRequest, sbJsonResponse)
If success <> True Then
    Log(rest.LastErrorText)
    Return
End If


json.EmitCompact = False
json.LoadSb(sbJsonResponse)

Log("Response Status Code = " & rest.ResponseStatusCode)

'  Did we get a 200 success response?
If rest.ResponseStatusCode <> 200 Then
    Log(json.Emit)
    Log("Failed.")
    Return
End If


'  Sample JSON response is shown below.
Log(json.Emit)

Log("success")

'  ------------------------------------------------
'  A sample JSON response:

'  	{ 
'  	  "id": "PAY-4N746561P0587231SKQQK6MY",
'  	  "create_time": "2014-09-22T23:22:27Z",
'  	  "update_time": "2014-09-22T23:31:13Z",
'  	  "state": "approved",
'  	  "intent": "sale",
'  	  "payer": { 
'  	    "payment_method": "paypal",
'  	    "payer_info": { 
'  	      "email": "npurayil-uspr-60@paypal.com",
'  	      "first_name": "Brian",
'  	      "last_name": "Robinson",
'  	      "payer_id": "JMKDKJ4D7DG7G",
'  	      "shipping_address": { 
'  	        "line1": "4thFloor",
'  	        "line2": "unit#34",
'  	        "city": "SAn Jose",
'  	        "state": "CA",
'  	        "postal_code": "95131",
'  	        "country_code": "US",
'  	        "phone": "011862212345678",
'  	        "recipient_name": "HelloWorld"
'  	      }
'  	    }
'  	  },
'  	  "transactions": [
'  	    { 
'  	      "amount": { 
'  	        "total": "30.11",
'  	        "currency": "USD",
'  	        "details": { 
'  	          "subtotal": "30.00",
'  	          "tax": "0.07",
'  	          "shipping": "0.03",
'  	          "handling_fee": "1.00",
'  	          "insurance": "0.01",
'  	          "shipping_discount": "-1.00"
'  	        }
'  	      },
'  	      "description": "This is the payment transaction description.",
'  	      "item_list": { 
'  	        "items": [
'  	          { 
'  	            "name": "hat",
'  	            "sku": "1",
'  	            "price": "3.00",
'  	            "currency": "USD",
'  	            "quantity": "5",
'  	            "description": "Brown color hat",
'  	            "tax": "0.01"
'  	          },
'  	          { 
'  	            "name": "handbag",
'  	            "sku": "product34",
'  	            "price": "15.00",
'  	            "currency": "USD",
'  	            "quantity": "1",
'  	            "description": "Black color handbag",
'  	            "tax": "0.02"
'  	          }
'  	        ],
'  	        "shipping_address": { 
'  	          "recipient_name": "HelloWorld",
'  	          "line1": "4thFloor",
'  	          "line2": "unit#34",
'  	          "city": "SAn Jose",
'  	          "state": "CA",
'  	          "phone": "011862212345678",
'  	          "postal_code": "95131",
'  	          "country_code": "US"
'  	        }
'  	      },
'  	      "related_resources": [
'  	        { 
'  	          "sale": { 
'  	            "id": "4XP56210M0797192Y",
'  	            "create_time": "2014-09-22T23:22:27Z",
'  	            "update_time": "2014-09-22T23:31:13Z",
'  	            "amount": { 
'  	              "total": "30.11",
'  	              "currency": "USD"
'  	            },
'  	            "payment_mode": "INSTANT_TRANSFER",
'  	            "state": "completed",
'  	            "protection_eligibility": "ELIGIBLE",
'  	            "protection_eligibility_type": "ITEM_NOT_RECEIVED_ELIGIBLE",
'  	            "transaction_fee": { 
'  	              "value": "1.75",
'  	              "currency": "USD"
'  	            },
'  	            "parent_payment": "PAY-4N746561P0587231SKQQK6MY",
'  	            "links": [
'  	              { 
'  	                "href": "https://api.paypal.com/v1/payments/sale/4XP56210M0797192Y",
'  	                "rel": "self",
'  	                "method": "GET"
'  	              },
'  	              { 
'  	                "href": "https://api.paypal.com/v1/payments/sale/4XP56210M0797192Y/refund",
'  	                "rel": "refund",
'  	                "method": "POST"
'  	              },
'  	              { 
'  	                "href": "https://api.paypal.com/v1/payments/payment/PAY-4N746561P0587231SKQQK6MY",
'  	                "rel": "parent_payment",
'  	                "method": "GET"
'  	              }
'  	            ]
'  	          }
'  	        }
'  	      ]
'  	    }
'  	  ],
'  	  "links": [
'  	    { 
'  	      "href": "https://api.paypal.com/v1/payments/payment/PAY-4N746561P0587231SKQQK6MY",
'  	      "rel": "self",
'  	      "method": "GET"
'  	    }
'  	  ]
'  	}