
WOPA
Invoicing for tradespeople, right inside WhatsApp.
What it does
WOPA is a WhatsApp invoicing assistant for UK tradespeople. Message it like “Invoice Chris £850 for rewire” and WOPA drafts a PDF invoice, lets you review it, emails it to your customer, tracks what’s outstanding, and helps chase unpaid invoices. Customers get a normal email; you stay in WhatsApp. WOPA remembers all your customers when you need it.
Does the same job
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Veevi — Invoice from WhatsApp in SecondsJul 2026 · getveevi.com · ▲8Clients are already on WhatsApp. Your invoices should be too

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