How To Make A Dev Product Purchase Log Webhook

Help and Feedback Scripting Support
1

Currently I have a Donation Board in my game.
How would I make the script ‘detect’ a purchase of dev products?
I already know how to do webhooks, so that might be the only thing I need to know.

2

You would use JSON Http Service as everyone knows, calculate the tax from each gamepass OR dev product, if you wanted to convert it to USD you would do:

 function robuxToUsd(robux)

    local tax = 0.3*robux

    local afterTax = robux - tax

    return 0.0035*afterTax

    end

then you would create a table and make a function sending from the person, the asset Id, and the amount, also use PostASync once your done, I can’t write this script for you because I don’t have that time right now and I am not allowed to based on Scripting Support Rules

local table = {}

function table:send(person,asset,amount)

Should be a module btw

3

That’s not what I wanted help with. You’re telling me how to convert Robux to Usd, I’m talking about how I would detect a purchase.

4

You would need to use ProcessReceipt to detect a purchase of dev products. Here is a link: Link

5

I said that was optional, I basically told you how it worked I’m not making the whole entire script for you

6

You can use ProcessReceipt from MarketplaceService. Since you already know how to use webhooks, you would just connect the event of a product being purchased to sending data to your webhook.

Sample code from ProcessReceipt’s page:

local MarketplaceService = game:GetService("MarketplaceService")
local DataStoreService = game:GetService("DataStoreService")
local Players = game:GetService("Players")
 
-- Data store for tracking purchases that were successfully processed
local purchaseHistoryStore = DataStoreService:GetDataStore("PurchaseHistory")
 
-- Table setup containing product IDs and functions for handling purchases
local productFunctions = {}
-- ProductId 123123 for a donation
productFunctions[123123] = function(receipt, player)
	--You would post data to a webhook here aswell!
    return true --Return true to mark success
end
 
-- The core 'ProcessReceipt' callback function
local function processReceipt(receiptInfo)
 
	-- Determine if the product was already granted by checking the data store  
	local playerProductKey = receiptInfo.PlayerId .. "_" .. receiptInfo.PurchaseId
	local purchased = false
	local success, errorMessage = pcall(function()
		purchased = purchaseHistoryStore:GetAsync(playerProductKey)
	end)
	-- If purchase was recorded, the product was already granted
	if success and purchased then
		return Enum.ProductPurchaseDecision.PurchaseGranted
	elseif not success then
		error("Data store error:" .. errorMessage)
	end
 
	-- Find the player who made the purchase in the server
	local player = Players:GetPlayerByUserId(receiptInfo.PlayerId)
	if not player then
		-- The player probably left the game
		-- If they come back, the callback will be called again
		return Enum.ProductPurchaseDecision.NotProcessedYet
	end
	
	-- Look up handler function from 'productFunctions' table above
	local handler = productFunctions[receiptInfo.ProductId]
 
	-- Call the handler function and catch any errors
	local success, result = pcall(handler, receiptInfo, player)
	if not success or not result then
		warn("Error occurred while processing a product purchase")
		print("\nProductId:", receiptInfo.ProductId)
		print("\nPlayer:", player)
		return Enum.ProductPurchaseDecision.NotProcessedYet
	end
 
	-- Record transaction in data store so it isn't granted again
	local success, errorMessage = pcall(function()
		purchaseHistoryStore:SetAsync(playerProductKey, true)
	end)
	if not success then
		error("Cannot save purchase data: " .. errorMessage)
	end
 
	-- IMPORTANT: Tell Roblox that the game successfully handled the purchase
	return Enum.ProductPurchaseDecision.PurchaseGranted
end
 
-- Set the callback; this can only be done once by one script on the server! 
MarketplaceService.ProcessReceipt = processReceipt

To @ItsMeFelixAccept, OP asking how to connect events to a developer product being purchased, not how to convert usd to robux or use webhooks. This is not against the rules of scripting support.

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