PayMongo

PayMongo is a hosted checkout for the Philippines. Prices are charged in PHP.

What you need

Field	Where to find it
Secret Key	PayMongo Dashboard → Developers. Starts with `sk_live_` or `sk_test_`
Webhook secret	shown when you create the webhook. Starts with `whsk_`

Copy your Secret Key

Open the PayMongo Dashboard and copy the Secret Key.

Add the webhook

Create a webhook for checkout_session.payment.paid with this URL:

https://dash.joinmarkt.com/api/paymongo/webhook

Connect in Join Markt

Go to Payment methods → PayMongo. Paste the Secret Key and the webhook secret.

Turn it on

Enable Active at checkout, then save.

Option	What it does
Payment methods	pick which methods show. Leave all unchecked for cards, GCash, Maya, GrabPay and QR Ph
Pass payment fees to customer	adds PayMongo’s fee to the buyer’s total
Send email receipt	PayMongo emails the buyer a receipt

Other methods (Atome, BillEase, ShopeePay, online banking) work only if they are on in your PayMongo account.

The order is marked paid only when the webhook arrives. Never deliver before that.