Lua Requires Chilkat v9.5.0.64+

PayPal Send Invoice

See more PayPal Examples

Sends a PayPal invoice to a customer.

See also Send Invoice

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

-- Build a path using a draft invoice ID.
local sbPath = chilkat.StringBuilder.new()
sbPath:append("/v1/invoicing/invoices/invoice_id/send")
local numReplacements = sbPath:replace("invoice_id", "INV2-QCHR-QHSD-M2VU-AVXC")

rest:add_header("Authorization", sbAuth:get_as_string())
rest:add_query_param("notify_merchant", "true")

local responseBody = rest:full_request_form_url_encoded("POST", sbPath:get_as_string())
if not rest.last_method_success then
    print(rest.last_error_text)
    return
end

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

-- Did we get a 202 accepted response?
if rest.response_status_code ~= 202 then
    print(responseBody)
    print("Failed.")
    return
end

-- If the 202 response is received, the response body would be empty...
print("Success.")