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Payments & Invoices

Send invoices, payment links and due-date reminders on WhatsApp via API, and confirm payments, renewals and cancellations automatically. Each notice is an approved template sent with POST /sendTemplate, and in an open chat an invoice PDF goes out with /sendFile. Each scenario has copy-ready code in cURL, Node.js, Python, PHP and Go.

Payment due reminder via WhatsApp API

The scenario sends the customer a personalised WhatsApp template before a payment due date.

Subscription renewal reminder via WhatsApp API

The scenario sends the customer a personalised WhatsApp template before a subscription renewal date.

Subscription activated message via WhatsApp API

The scenario sends the customer a personalised WhatsApp template when a new subscription is activated.

Subscription cancellation message via WhatsApp API

The scenario sends the customer a personalised WhatsApp template when a subscription is cancelled.

Send a PDF invoice via WhatsApp API (sendFile)

This scenario sends a PDF document with sendFile during the 24-hour WhatsApp customer service window.

Plan expiry reminder via WhatsApp API

The scenario sends the customer a personalised WhatsApp template before a plan or subscription ends.

Payment confirmation message via WhatsApp API

The scenario sends the customer a personalised WhatsApp template when a payment succeeds.

Overdue payment reminder via WhatsApp API

The scenario sends the customer a personalised WhatsApp template when their payment becomes overdue.

Payment method choice with WhatsApp buttons (API)

The scenario sends the customer a personalised WhatsApp template when billing needs to know the payment method.

Send a payment link via WhatsApp API

The scenario sends the customer a personalised WhatsApp template when billing or checkout needs to collect payment.

Offline payment receipt via WhatsApp API

The scenario sends the customer a personalised WhatsApp template when an offline payment is recorded.

Payment received alert to finance via WhatsApp API

The scenario sends the finance manager a personalised WhatsApp template when a new payment is received.

Monthly invoice notification via WhatsApp API

The scenario sends the customer a personalised WhatsApp template when a monthly invoice is issued.

Loan repayment reminder via WhatsApp API

The scenario sends the customer a personalised WhatsApp template before a loan or installment due date.

Send invoice notifications via WhatsApp API

The scenario sends the customer a personalized WhatsApp template when a new invoice is issued.