CashApp IMAP Payment Gateway

CashApp IMAP Payment Gateway lets you accept Cash App payments in WHMCS using your personal Cash App $Cashtag. Customers pay the invoice amount to your Cashtag and put the invoice number in the payment note. The gateway connects to your email via IMAP, reads Cash App "Payment received" emails, matches the amount and note to the correct invoice, and marks the invoice as paid automatically. No manual checking; no "I've paid" button required. Licensed annually at $100/year per domain.

How It Works

1. You set your $Cashtag, the email address where you receive Cash App receipts, and your IMAP settings (e.g. Gmail: imap.gmail.com, port 993, App Password).
2. You configure a signing secret so payment links are signed and time-limited (e.g. 60 minutes).
3. On the invoice, the client sees a "Pay with Cash App" button and is sent to a payment page showing your $Cashtag, amount, and a reminder to use the invoice # as the note.
4. After the customer sends payment, they can click "Check for Payment". The gateway checks your inbox for Cash App "Payment received" emails, matches note = invoice ID and amount ≥ invoice total, then adds the payment in WHMCS and marks the invoice paid.
5. Transaction ID is taken from the receipt (e.g. receipt URL or #D-XXX) when possible, so it appears correctly in WHMCS.

Key Features

• IMAP auto-verify – Reads Cash App "Payment received" emails and marks the invoice paid automatically.
• $Cashtag – Use your personal Cash App username (e.g. $YourName). No Cash App for Business required.
• Invoice # as note – Customer adds the invoice number in the Cash App note; gateway matches it to the right invoice.
• Secure payment link – Signed token URL with configurable payment window (e.g. 60 minutes).
• Annual license – $100/year per domain; valid license from whmcsmodules.net required.
• Configurable – IMAP host/port, from-address (e.g. [email protected]), custom customer note on payment page.
• Works with Gmail – Use App Password if 2FA is on.
• Transaction ID – Stored in WHMCS from receipt when available.

After installation, activate the gateway in WHMCS, enter your license key, $Cashtag, email, IMAP credentials, and signing secret. Customers will see "Pay with Cash App" on the invoice and get a secure payment page with your Cashtag and amount.