Let agents run your invoicing and tax compliance
QX calculates tax, issues invoices, validates customer tax IDs and chases the paperwork—so your team closes the books faster and stops fearing audit season.
Stop hand-calculating tax, chasing missing IDs, and rebuilding the same invoice every month. Hand it to an agent.
Invoices that issue themselves
New customers and orders flow straight into Quaderno—contacts created, line items priced, tax applied, and the finished invoice delivered by email without anyone touching a form.
Every VAT ID checked
Customer tax IDs get validated at the point of sale, jurisdictions matched, and the right rate applied—so you never charge wrong tax or miss a reverse-charge again.
Audit-ready in minutes
Expenses, credit notes and evidence are kept tidy and reconciled in real time, with reporting requests pulled, summarised and shared with finance the moment the period closes.
Quaderno
Real workflows, built for your team
Build complex workflows in minutes that chain Quaderno together with the rest of your stack. Trigger them on specific events, on schedule, or on demand.
Finance: From checkout to compliant invoice
New paid order
Triggered in Stripe
Match customer & resolve address
Agent step
Validate buyer's tax ID
in Quaderno
Calculate the correct tax rate
in Quaderno
Create & deliver the invoice
in Quaderno
Flag failed validations
Alert via Slack
QX agents can calculate tax, issue invoices, validate IDs and deliver paperwork—and a lot more
+ 24 more actions
About Quaderno
Quaderno is a tax compliance and invoicing platform used by thousands of SaaS, e-commerce and digital businesses worldwide. It calculates the right tax for every jurisdiction, issues compliant invoices and credit notes, and keeps audit-ready records—with a well-documented API that's a natural fit for automation.
About QX Labs
QX is an AI agent platform that helps you build, run and scale AI across your team in a few clicks. Create agents that connect to your data and 1,000+ apps, building institutional memory that gets sharper every run. Then delegate tasks to them from where you already work—Slack, Teams, WhatsApp or email.
See Quaderno working inside your stack
Want an AI co-worker that handles your tax and invoicing for you? Book a demo call to discuss your use cases, or get started for free.
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