Sample code for 30+ languages & platforms
Go

PayPal List Merchant Invoices

See more PayPal Examples

List PayPal invoices.

See also PayPal List Invoices REST API Reference

Chilkat Go Downloads

Go
    success := false

    // 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)
    jsonToken := chilkat.NewJsonObject()
    jsonToken.LoadFile("qa_data/tokens/paypal.json")

    // Build the Authorization request header field value.
    sbAuth := chilkat.NewStringBuilder()
    // 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.
    rest := chilkat.NewRest()
    bAutoReconnect := true
    success = rest.Connect("api.sandbox.paypal.com",443,true,bAutoReconnect)
    if success != true {
        fmt.Println(rest.LastErrorText())
        jsonToken.DisposeJsonObject()
        sbAuth.DisposeStringBuilder()
        rest.DisposeRest()
        return
    }

    // ----------------------------------------------------------------------------------------------
    // 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..
    // ----------------------------------------------------------------------------------------------

    rest.AddHeader("Authorization",*sbAuth.GetAsString())
    rest.AddQueryParam("page","0")
    rest.AddQueryParam("page_size","20")
    rest.AddQueryParam("total_count_required","true")

    // Send the GET request and get the JSON response.
    sbJsonResponse := chilkat.NewStringBuilder()
    success = rest.FullRequestNoBodySb("GET","/v1/invoicing/invoices",sbJsonResponse)
    if success != true {
        fmt.Println(rest.LastErrorText())
        jsonToken.DisposeJsonObject()
        sbAuth.DisposeStringBuilder()
        rest.DisposeRest()
        sbJsonResponse.DisposeStringBuilder()
        return
    }

    json := chilkat.NewJsonObject()
    json.SetEmitCompact(false)
    json.LoadSb(sbJsonResponse)

    fmt.Println("Response Status Code = ", rest.ResponseStatusCode())

    // Did we get a 200 success response?
    if rest.ResponseStatusCode() != 200 {
        fmt.Println(*json.Emit())
        fmt.Println("Failed.")
        jsonToken.DisposeJsonObject()
        sbAuth.DisposeStringBuilder()
        rest.DisposeRest()
        sbJsonResponse.DisposeStringBuilder()
        json.DisposeJsonObject()
        return
    }

    // Sample response JSON is shown below.

    // Iterate over each invoice and get some information from each..
    numInvoices := json.SizeOfArray("invoices")
    i := 0
    for i < numInvoices {
        json.SetI(i)
        fmt.Println("Invoice ID: ", *json.StringOf("invoices[i].id"))
        fmt.Println("Invoice Number: ", *json.StringOf("invoices[i].number"))
        fmt.Println("Invoice Status: ", *json.StringOf("invoices[i].status"))
        fmt.Println("Shipping First Name: ", *json.StringOf("invoices[i].shipping_info.first_name"))
        j := 0
        numBillingInfo := json.SizeOfArray("invoices[i].billing_info")
        for j < numBillingInfo {
            json.SetJ(j)
            fmt.Println("billing_info email: ", *json.StringOf("invoices[i].billing_info[j].email"))
            j = j + 1
        }

        numLinks := json.SizeOfArray("invoices[i].links")
        j = 0
        for j < numLinks {
            json.SetJ(j)
            fmt.Println("link: ", *json.StringOf("invoices[i].links[j].href"))
            j = j + 1
        }

        fmt.Println("----")
        i = i + 1
    }

    fmt.Println("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"
    // 	    }
    // 	  ]
    // 	}
    // 

    jsonToken.DisposeJsonObject()
    sbAuth.DisposeStringBuilder()
    rest.DisposeRest()
    sbJsonResponse.DisposeStringBuilder()
    json.DisposeJsonObject()