CereTax + Rillet: Sales Tax and VAT Calculated Inside Rillet

Rillet closes your books. CereTax makes sure the tax on every invoice and credit memo is right before they close. Real-time calculation, product-level tax codes, and jurisdiction detail written back to the invoice.

Get a Demo

What You Get

Real-Time Webhook Sync

Tax calculated the moment an invoice or credit memo is created, updated, or paid in Rillet.

Sales Tax or VAT, Detected Automatically

The connector reads the tax type on the Rillet document and routes it to sales tax or VAT. No per-invoice setup.

Product-Level Tax Codes

Sync products from Rillet, assign a CereTax code to each, and let unmapped items fall back to your default.

Sales Tax Breakdown on Invoices

One tax line per jurisdiction, or a single summarized line. Your choice, and the full record stays in CereTax.

Accurate Sales Tax in Rillet Minus the Guesswork

Connect it once and let it run. CereTax listens for Rillet invoice and credit memo events, applies rooftop-level tax rules and your product codes, then writes a clean tax line back to the document. Credit memos reverse against the original invoice date, so your tax records match the period the tax was collected in.

CereTax Helps You:

See what matters.

Rooftop-accurate GIS and reporting you can actually use

Join the Companies That Trust CereTax to Get Sales Tax Right

From hyper-growth startups to multi-entity retail businesses, companies across industries rely on CereTax to simplify sales tax, reduce errors, and scale confidently.

You're in good company. Whether you’re selling subscriptions, physical goods, or SaaS, CereTax helps you stay compliant without slowing down your business.

Got Questions About the CereTax and Rillet Integration? Let’s Clear Things Up

How do I connect Rillet to CereTax?

Create an API key in Rillet, log in to the CereTax connector with your CereTax Portal credentials, enter both keys, and paste the connector's webhook URL into Rillet's webhook settings. Two admin screens, no code.

How are tax calculations triggered?

Rillet sends a webhook when an invoice or credit memo is created, updated, or paid. CereTax calculates the tax and writes the tax lines back to the document.

Does the connector handle VAT as well as sales tax?

Yes. The connector reads the tax type on the Rillet document and routes it to sales tax or VAT calculation automatically.

How do product tax codes work?

Sync your product list from Rillet into the connector, then assign a CereTax product and service code to each item, one at a time or by spreadsheet import. Anything unmapped uses your default code.

Will my invoices show a tax breakdown?

Yes. Turn on Detailed View of Tax and each invoice carries one tax line per jurisdiction. Leave it off and the invoice carries a single summarized tax line.

Ready to Take Tax Off Your Close Checklist?

Get accurate sales tax and VAT on every Rillet invoice without the month-end cleanup.

Talk to a Sales Tax Expert