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Lua Requires Chilkat v9.5.0.64+

PayPal Create Invoice

See more PayPal Examples

Creates a draft invoice.

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Lua
local chilkat = require("chilkat")

-- 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)
local jsonToken = chilkat.JsonObject.new()
jsonToken:load_file("qa_data/tokens/paypal.json")

-- Build the Authorization request header field value.
local sbAuth = chilkat.StringBuilder.new()
-- token_type should be "Bearer"
sbAuth:append(jsonToken:string_of("token_type"))
sbAuth:append(" ")
sbAuth:append(jsonToken:string_of("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.
local rest = chilkat.Rest.new()
local bAutoReconnect = true
local success = rest:connect("api.sandbox.paypal.com", 443, true, bAutoReconnect)
if not success then
    print(rest.last_error_text)
    return
end

-- ----------------------------------------------------------------------------------------------
-- 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..
-- ----------------------------------------------------------------------------------------------

-- First create a JSON invoice:
local json = chilkat.JsonObject.new()
json.emit_compact = false
json:update_string("merchant_info.email", "frank-facilitator@example.com")
json:update_string("merchant_info.first_name", "Frank")
json:update_string("merchant_info.last_name", "Facilitator")
json:update_string("merchant_info.business_name", "Medical Professionals, LLC")
json:update_string("merchant_info.phone.country_code", "001")
json:update_string("merchant_info.phone.national_number", "5032141716")
json:update_string("merchant_info.address.line1", "1234 Main St.")
json:update_string("merchant_info.address.city", "Portland")
json:update_string("merchant_info.address.state", "OR")
json:update_string("merchant_info.address.postal_code", "97217")
json:update_string("merchant_info.address.country_code", "US")
json:update_string("billing_info[0].email", "frank-buyer@somewhere.com")
json:update_string("items[0].name", "Sutures")
json:update_int("items[0].quantity", 100)
json:update_string("items[0].unit_price.currency", "USD")
json:update_string("items[0].unit_price.value", "5")
json:update_string("note", "Medical Invoice 16 Jul, 2013 PST")
json:update_string("payment_term.term_type", "NET_45")
json:update_string("shipping_info.first_name", "Sally")
json:update_string("shipping_info.last_name", "Patient")
json:update_string("shipping_info.business_name", "Not applicable")
json:update_string("shipping_info.phone.country_code", "001")
json:update_string("shipping_info.phone.national_number", "5039871234")
json:update_string("shipping_info.address.line1", "1234 Broad St.")
json:update_string("shipping_info.address.city", "Portland")
json:update_string("shipping_info.address.state", "OR")
json:update_string("shipping_info.address.postal_code", "97216")
json:update_string("shipping_info.address.country_code", "US")

print(json:emit())

-- The JSON invoice created by the above code:

--     {
--       "merchant_info": {
--         "email": "frank-facilitator@example.com",
--         "first_name": "Frank",
--         "last_name": "Facilitator",
--         "business_name": "Medical Professionals, LLC",
--         "phone": {
--           "country_code": "001",
--           "national_number": "5032141716"
--         },
--         "address": {
--           "line1": "1234 Main St.",
--           "city": "Portland",
--           "state": "OR",
--           "postal_code": "97217",
--           "country_code": "US"
--         }
--       },
--       "billing_info": [
--         {
--           "email": "frank-buyer@somewhere.com"
--         }
--       ],
--       "items": [
--         {
--           "name": "Sutures",
--           "quantity": 100,
--           "unit_price": {
--             "currency": "USD",
--             "value": "5"
--           }
--         }
--       ],
--       "note": "Medical Invoice 16 Jul, 2013 PST",
--       "payment_term": {
--         "term_type": "NET_45"
--       },
--       "shipping_info": {
--         "first_name": "Sally",
--         "last_name": "Patient",
--         "business_name": "Not applicable",
--         "phone": {
--           "country_code": "001",
--           "national_number": "5039871234"
--         },
--         "address": {
--           "line1": "1234 Broad St.",
--           "city": "Portland",
--           "state": "OR",
--           "postal_code": "97216",
--           "country_code": "US"
--         }
--       }
--     }

-- Send the POST equivalent to this CURL command:

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

json.emit_compact = true
local sbRequestBody = chilkat.StringBuilder.new()
local sbResponseBody = chilkat.StringBuilder.new()

rest:add_header("Content-Type", "application/json")
rest:add_header("Authorization", sbAuth:get_as_string())
json:emit_sb(sbRequestBody)

success = rest:full_request_sb("POST", "/v1/invoicing/invoices", sbRequestBody, sbResponseBody)
if not success then
    print(rest.last_error_text)
    return
end

-- We should have some sort of JSON response.  It could be successful, or an error.
local jsonResponse = chilkat.JsonObject.new()
jsonResponse.emit_compact = false
jsonResponse:load_sb(sbResponseBody)

print("Response Status Code = " .. rest.response_status_code)

-- Did we get a 201 success response?
if rest.response_status_code ~= 201 then
    -- Show the JSON response body
    print(jsonResponse:emit())

    print(rest.last_request_start_line)
    print(rest.last_request_header)
    print("Failed.")
    return
end

-- Show a few parts of the JSON response
print("id: " .. jsonResponse:string_of("id"))
print("number: " .. jsonResponse:string_of("number"))
print("template_id: " .. jsonResponse:string_of("template_id"))
print("status: " .. jsonResponse:string_of("status"))

-- Show the full JSON response.
print(jsonResponse:emit())
print("Success.")

-- A successful response looks like this:

--     {
--       "id": "INV2-ZG2H-HKAW-PMWU-N6ZR",
--       "number": "0001",
--       "template_id": "TEMP-8HS37702UW384535K",
--       "status": "DRAFT",
--       "merchant_info": {
--         "email": "smith-facilitator@chilkatsoft.com",
--         "first_name": "Joe",
--         "last_name": "Facilitator",
--         "business_name": "Medical Professionals, LLC",
--         "phone": {
--           "country_code": "001",
--           "national_number": "5032141716"
--         },
--         "address": {
--           "line1": "1234 Main St.",
--           "city": "Portland",
--           "state": "OR",
--           "postal_code": "97217",
--           "country_code": "US"
--         }
--       },
--       "billing_info": [
--         {
--           "email": "smith-buyer@chilkatsoft.com"
--         }
--       ],
--       "shipping_info": {
--         "first_name": "Sally",
--         "last_name": "Patient",
--         "business_name": "Not applicable",
--         "phone": {
--           "country_code": "001",
--           "national_number": "5039871234"
--         },
--         "address": {
--           "line1": "1234 Broad St.",
--           "city": "Portland",
--           "state": "OR",
--           "postal_code": "97216",
--           "country_code": "US"
--         }
--       },
--       "items": [
--         {
--           "name": "Sutures",
--           "quantity": 100.0,
--           "unit_price": {
--             "currency": "USD",
--             "value": "5.00"
--           }
--         }
--       ],
--       "invoice_date": "2016-11-15 PST",
--       "payment_term": {
--         "term_type": "NET_45",
--         "due_date": "2016-12-30 PST"
--       },
--       "tax_calculated_after_discount": false,
--       "tax_inclusive": false,
--       "note": "Medical Invoice 16 Jul, 2013 PST",
--       "total_amount": {
--         "currency": "USD",
--         "value": "500.00"
--       },
--       "metadata": {
--         "created_date": "2016-11-15 06:17:03 PST"
--       },
--       "links": [
--         {
--           "rel": "self",
--           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
--           "method": "GET"
--         },
--         {
--           "rel": "send",
--           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/send",
--           "method": "POST"
--         },
--         {
--           "rel": "update",
--           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/update",
--           "method": "PUT"
--         },
--         {
--           "rel": "delete",
--           "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
--           "method": "DELETE"
--         }
--       ]
--     }
--