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Classic ASP Web API Examples

Primary Categories

Facebook
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QuickBooks

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(Classic ASP) PayPal Search for Invoices

Search PayPal invoices.

See also SearchInvoices

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' Note: Requires Chilkat v9.5.0.64 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)
set jsonToken = Server.CreateObject("Chilkat_9_5_0.JsonObject")
success = jsonToken.LoadFile("qa_data/tokens/paypal.json")

' Build the Authorization request header field value.
set sbAuth = Server.CreateObject("Chilkat_9_5_0.StringBuilder")
' token_type should be "Bearer"
success = sbAuth.Append(jsonToken.StringOf("token_type"))
success = sbAuth.Append(" ")
success = 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.
set rest = Server.CreateObject("Chilkat_9_5_0.Rest")
bAutoReconnect = 1
success = rest.Connect("api.sandbox.paypal.com",443,1,bAutoReconnect)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
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..
' ----------------------------------------------------------------------------------------------

' Create JSON to specify the search
set json = Server.CreateObject("Chilkat_9_5_0.JsonObject")
json.EmitCompact = 0
success = json.AppendString("start_invoice_date","2016-01-01 PST")
success = json.AppendString("end_invoice_date","2016-11-16 PST")
success = json.AppendInt("page",0)
success = json.AppendInt("page_size",10)
success = json.AppendBool("total_count_required",1)

Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>"

' The JSON by the above code:

' 	{
' 	  "start_invoice_date": "2016-01-01 PST",
' 	  "end_invoice_date": "2016-11-16 PST",
' 	  "page": 0,
' 	  "page_size": 10,
' 	  "total_count_required": true
' 	}

' Send the POST equivalent to this CURL command:

' 	curl -v -X POST https://api.sandbox.paypal.com/v1/invoicing/search/ \
' 	-H "Content-Type:application/json" \
' 	-H "Authorization: Bearer Access-Token" \
' 	-d '{ invoice JSON goes here }'

json.EmitCompact = 1
set sbRequestBody = Server.CreateObject("Chilkat_9_5_0.StringBuilder")
set sbResponseBody = Server.CreateObject("Chilkat_9_5_0.StringBuilder")

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

success = rest.FullRequestSb("POST","/v1/invoicing/search",sbRequestBody,sbResponseBody)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

' We should have some sort of JSON response.  It could be successful, or an error.
set jsonResponse = Server.CreateObject("Chilkat_9_5_0.JsonObject")
jsonResponse.EmitCompact = 0
success = jsonResponse.LoadSb(sbResponseBody)

Response.Write "<pre>" & Server.HTMLEncode( "Response Status Code = " & rest.ResponseStatusCode) & "</pre>"

' Did we get a 200 success response?
If (rest.ResponseStatusCode <> 200) Then
    ' Show the JSON response body
    Response.Write "<pre>" & Server.HTMLEncode( jsonResponse.Emit()) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Failed.") & "</pre>"
    Response.End
End If

' Sample response JSON is shown below.

' Iterate over each invoice and get some information from each..
numInvoices = jsonResponse.SizeOfArray("invoices")
i = 0
Do While i < numInvoices
    jsonResponse.I = i
    Response.Write "<pre>" & Server.HTMLEncode( "Invoice ID: " & jsonResponse.StringOf("invoices[i].id")) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Shipping First Name: " & jsonResponse.StringOf("invoices[i].shipping_info.first_name")) & "</pre>"
    j = 0
    numBillingInfo = jsonResponse.SizeOfArray("invoices[i].billing_info")
    Do While j < numBillingInfo
        jsonResponse.J = j
        Response.Write "<pre>" & Server.HTMLEncode( "billing_info email: " & jsonResponse.StringOf("invoices[i].billing_info[j].email")) & "</pre>"
        j = j + 1
    Loop
    numLinks = jsonResponse.SizeOfArray("invoices[i].links")
    j = 0
    Do While j < numLinks
        jsonResponse.J = j
        Response.Write "<pre>" & Server.HTMLEncode( "link: " & jsonResponse.StringOf("invoices[i].links[j].href")) & "</pre>"
        j = j + 1
    Loop
    Response.Write "<pre>" & Server.HTMLEncode( "----") & "</pre>"
    i = i + 1
Loop

Response.Write "<pre>" & Server.HTMLEncode( "Success.") & "</pre>"

' A successful response looks like this:

' { 
'   "total_count": 2,
'   "invoices": [
'     { 
'       "id": "INV2-XV4B-736P-PLVN-SZCE",
'       "number": "0002",
'       "status": "DRAFT",
'       "merchant_info": { 
'         "email": "smith-facilitator@chilkatsoft.com"
'       },
'       "billing_info": [
'         { 
'           "email": "smith-buyer@chilkatsoft.com"
'         }
'       ],
'       "shipping_info": { 
'         "email": "smith-buyer@chilkatsoft.com",
'         "first_name": "Sally",
'         "last_name": "Patient",
'         "business_name": "Not applicable"
'       },
'       "invoice_date": "2016-11-15 PST",
'       "payment_term": { 
'         "due_date": "2016-12-30 PST"
'       },
'       "note": "Medical Invoice 16 Jul, 2013 PST",
'       "total_amount": { 
'         "currency": "USD",
'         "value": "500.00"
'       },
'       "metadata": { 
'         "created_date": "2016-11-15 08:09:21 PST"
'       },
'       "paid_amount": { 
'         "paypal": { 
'           "currency": "USD",
'           "value": "0.00"
'         },
'         "other": { 
'           "currency": "USD",
'           "value": "0.00"
'         }
'       },
'       "refunded_amount": { 
'         "paypal": { 
'           "currency": "USD",
'           "value": "0.00"
'         },
'         "other": { 
'           "currency": "USD",
'           "value": "0.00"
'         }
'       },
'       "links": [
'         { 
'           "rel": "self",
'           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE",
'           "method": "GET"
'         },
'         { 
'           "rel": "send",
'           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE/send",
'           "method": "POST"
'         },
'         { 
'           "rel": "update",
'           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE/update",
'           "method": "PUT"
'         },
'         { 
'           "rel": "delete",
'           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE",
'           "method": "DELETE"
'         }
'       ]
'     },
'     { 
'       "id": "INV2-ZG2H-HKAW-PMWU-N6ZR",
'       "number": "0001",
'       "status": "SENT",
'       "merchant_info": { 
'         "email": "smith-facilitator@chilkatsoft.com"
'       },
'       "billing_info": [
'         { 
'           "email": "smith-buyer@chilkatsoft.com"
'         }
'       ],
'       "shipping_info": { 
'         "email": "smith-buyer@chilkatsoft.com",
'         "first_name": "Sally",
'         "last_name": "Patient",
'         "business_name": "Not applicable"
'       },
'       "invoice_date": "2016-11-15 PST",
'       "payment_term": { 
'         "due_date": "2016-12-30 PST"
'       },
'       "note": "Medical Invoice 16 Jul, 2013 PST",
'       "total_amount": { 
'         "currency": "USD",
'         "value": "500.00"
'       },
'       "metadata": { 
'         "created_date": "2016-11-15 06:17:03 PST",
'         "payer_view_url": "https://www.sandbox.paypal.com/cgi_bin/webscr?cmd=_pay-inv&viewtype=altview&id=INV2-ZG2H-HKAW-PMWU-N6ZR"
'       },
'       "paid_amount": { 
'         "paypal": { 
'           "currency": "USD",
'           "value": "0.00"
'         },
'         "other": { 
'           "currency": "USD",
'           "value": "0.00"
'         }
'       },
'       "refunded_amount": { 
'         "paypal": { 
'           "currency": "USD",
'           "value": "0.00"
'         },
'         "other": { 
'           "currency": "USD",
'           "value": "0.00"
'         }
'       },
'       "links": [
'         { 
'           "rel": "self",
'           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
'           "method": "GET"
'         },
'         { 
'           "rel": "update",
'           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/update",
'           "method": "PUT"
'         },
'         { 
'           "rel": "cancel",
'           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/remind",
'           "method": "POST"
'         },
'         { 
'           "rel": "remind",
'           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/cancel",
'           "method": "POST"
'         },
'         { 
'           "rel": "record-payment",
'           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/record-payment",
'           "method": "POST"
'         },
'         { 
'           "rel": "qr-code",
'           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/qr-code",
'           "method": "GET"
'         }
'       ]
'     }
'   ]
' }
' 

%>
</body>
</html>

 

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