Help centre

Short, plain guides to the parts of Kwikbill that need a little explaining. Everything else is meant to be obvious from the app; if it is not, tell us at [email protected].

• Connect an AI assistantAdd Kwikbill to Claude or ChatGPT, what the assistant can and cannot do, example prompts, and how to disconnect.
• API and webhooksAPI keys and scopes, request and money formats, idempotency, every endpoint, curl examples, signed webhooks and the OpenAPI document.
• Share on WhatsAppSend an invoice, quote, reminder or payment link to a client's WhatsApp in one tap, and edit the message templates.
• Viewed and opened trackingHow Kwikbill counts every client view, tracks email opens, and where that shows up.
• Pay by bank with GoCardlessConnect your own GoCardless account so clients can pay invoices straight from their bank, with fees, refunds and payouts explained.

Getting started

• Sign in or create an account, then set up your business. You get a free first month with no card needed; after that Kwikbill costs £14.99 a month per business, UK VAT included.
• Settings → Client payment options connects Stripe (cards) and GoCardless (pay by bank) so clients can pay from the invoice page.
• Settings → Import data brings in clients from a CSV file, or everything from an Invoice2go export.
• Settings → API & integrations is where API keys, connected assistants and webhooks live.

Legal

Terms of service and privacy policy. Kwikbill is operated by Input IT Ltd.