Sample code for 30+ languages & platforms
PowerBuilder

PayPal List Merchant Invoices

See more PayPal Examples

List PayPal invoices.

See also PayPal List Invoices REST API Reference

Chilkat PowerBuilder Downloads

PowerBuilder
integer li_rc
integer li_Success
oleobject loo_JsonToken
oleobject loo_SbAuth
oleobject loo_Rest
integer li_BAutoReconnect
oleobject loo_SbJsonResponse
oleobject loo_Json
integer li_NumInvoices
integer i
integer j
integer li_NumBillingInfo
integer li_NumLinks

li_Success = 0

// 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)
loo_JsonToken = create oleobject
li_rc = loo_JsonToken.ConnectToNewObject("Chilkat.JsonObject")
if li_rc < 0 then
    destroy loo_JsonToken
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_JsonToken.LoadFile("qa_data/tokens/paypal.json")

// Build the Authorization request header field value.
loo_SbAuth = create oleobject
li_rc = loo_SbAuth.ConnectToNewObject("Chilkat.StringBuilder")

// token_type should be "Bearer"
loo_SbAuth.Append(loo_JsonToken.StringOf("token_type"))
loo_SbAuth.Append(" ")
loo_SbAuth.Append(loo_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.
loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat.Rest")

li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("api.sandbox.paypal.com",443,1,li_BAutoReconnect)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_JsonToken
    destroy loo_SbAuth
    destroy loo_Rest
    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..
// ----------------------------------------------------------------------------------------------

loo_Rest.AddHeader("Authorization",loo_SbAuth.GetAsString())
loo_Rest.AddQueryParam("page","0")
loo_Rest.AddQueryParam("page_size","20")
loo_Rest.AddQueryParam("total_count_required","true")

// Send the GET request and get the JSON response.
loo_SbJsonResponse = create oleobject
li_rc = loo_SbJsonResponse.ConnectToNewObject("Chilkat.StringBuilder")

li_Success = loo_Rest.FullRequestNoBodySb("GET","/v1/invoicing/invoices",loo_SbJsonResponse)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_JsonToken
    destroy loo_SbAuth
    destroy loo_Rest
    destroy loo_SbJsonResponse
    return
end if

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.EmitCompact = 0
loo_Json.LoadSb(loo_SbJsonResponse)

Write-Debug "Response Status Code = " + string(loo_Rest.ResponseStatusCode)

// Did we get a 200 success response?
if loo_Rest.ResponseStatusCode <> 200 then
    Write-Debug loo_Json.Emit()
    Write-Debug "Failed."
    destroy loo_JsonToken
    destroy loo_SbAuth
    destroy loo_Rest
    destroy loo_SbJsonResponse
    destroy loo_Json
    return
end if

// Sample response JSON is shown below.

// Iterate over each invoice and get some information from each..
li_NumInvoices = loo_Json.SizeOfArray("invoices")
i = 0
do while i < li_NumInvoices
    loo_Json.I = i
    Write-Debug "Invoice ID: " + loo_Json.StringOf("invoices[i].id")
    Write-Debug "Invoice Number: " + loo_Json.StringOf("invoices[i].number")
    Write-Debug "Invoice Status: " + loo_Json.StringOf("invoices[i].status")
    Write-Debug "Shipping First Name: " + loo_Json.StringOf("invoices[i].shipping_info.first_name")
    j = 0
    li_NumBillingInfo = loo_Json.SizeOfArray("invoices[i].billing_info")
    do while j < li_NumBillingInfo
        loo_Json.J = j
        Write-Debug "billing_info email: " + loo_Json.StringOf("invoices[i].billing_info[j].email")
        j = j + 1
    loop
    li_NumLinks = loo_Json.SizeOfArray("invoices[i].links")
    j = 0
    do while j < li_NumLinks
        loo_Json.J = j
        Write-Debug "link: " + loo_Json.StringOf("invoices[i].links[j].href")
        j = j + 1
    loop
    Write-Debug "----"
    i = i + 1
loop

Write-Debug "Success."

// 	{ 
// 	  "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"
// 	        }
// 	      ]
// 	    }
// 	  ],
// 	  "links": [
// 	    { 
// 	      "rel": "self",
// 	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices?page=0&page_size=20&total_count_required=true",
// 	      "method": "GET"
// 	    }
// 	  ]
// 	}
// 


destroy loo_JsonToken
destroy loo_SbAuth
destroy loo_Rest
destroy loo_SbJsonResponse
destroy loo_Json