01 · Get Payment Gateway keys
In the PhonePe Business dashboard, open Developer settings and copy the Client ID, Client Version and Client Secret.
02 · Connect in BillsKing
Cash & Bank → Online Payments (PhonePe) → Connect. Paste the keys and choose your bank account.
03 · Add the webhook
Copy the webhook address shown and add it in PhonePe with the same username and password.
04 · Share and get paid
Unpaid invoices now show a Pay online QR code and link. Payments are recorded automatically.