OXXO payment reminders on WhatsApp

How it works

1. Your customer picks OXXO in your Stripe checkout and gets a voucher with a reference.
2. ChatSales sees the voucher in your Stripe and schedules the reminder.
3. Before it expires (24 hours before by default; you choose how many), it sends the WhatsApp from your number. Right before, it checks with Stripe that it's still unpaid.
4. If Stripe already shows it paid, nothing is sent. Optional: send the reference as soon as the voucher is created.

Use cases

This is the message your customers get, in three kinds of business. Sample data; customers receive the Mexican-Spanish template.

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Set up in 3 steps

1. Connect your Stripe with a restricted key. The guide walks you through it click by click.
2. Choose your WhatsApp number: ChatSales creates the reminder template and submits it to Meta for you.
3. Turn on the reminder and choose how many hours before the voucher expires it goes out.

See the step-by-step guide →

The message your customer gets

ChatSales creates this utility template in Mexican Spanish. For different wording, pick another message flow or create a new one; Meta must approve it too.

Hola {{nombre}}, tu pedido {{pedido}} por {{monto}} tiene una ficha de pago OXXO pendiente.

Referencia: {{referencia}}
Fecha límite: {{vence}}

Puedes pagarla en cualquier tienda OXXO con esta referencia. Si ya pagaste, ignora este mensaje.

Your Stripe, with minimum permissions

• The restricted key needs 3 permissions: Payment Intents (read), Customers (read) and Webhook Endpoints (write). Recommended: Payment Methods (read), where Stripe often keeps the phone the customer types at checkout.
• ChatSales reads your OXXO vouchers and the customer's phone, and registers a webhook to hear when they're paid. It can't charge or move money.
• Keys are stored encrypted.

See what happened to every voucher

Recent vouchers shows each one with its status:

• Scheduled
• Reminded
• Paid
• Expired
• Not sent (with the reason)

What you need

• OXXO payments through your own Stripe account, for example the Stripe app on Shopify or your Stripe checkout. It doesn't work with Shopify Payments.
• A WhatsApp API number connected in ChatSales.
• Meta's approval of the template. While it's in review, no reminders go out.