Anrok Help Center

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Getting started with Anrok New to Anrok? Check out our onboarding guide.






Account health checklist Checklist you should review when using Anrok.






Filing returns with Anrok First time filing? See our tips for filing returns.





Feature spotlight

Anrok Atlas, your built-in AI assistant

Anrok Atlas is your built-in AI assistant, ready to answer questions about your Anrok data, how the product works, and sales tax compliance. With Anrok Atlas, you can get:

  • Your questions answered instantly across your data, returns, and registrations.
  • Tax answers in seconds with complex compliance concepts explained in plain language.
  • Expert guidance on demand whenever you need it, no ticket required.

See how it works 

Product announcements

Self-serve transaction reprocessing


Anrok now lets you reprocess past transactions on demand, recalculating tax to reflect updated customer or invoice information.

Learn more 

Download filed return documents


For May 2026 returns forward, you can now download return documents for improved record keeping and audit readiness.

Learn more  

Create custom product tax categories


Anrok now supports custom product tax categories, letting you override taxability determinations for specific jurisdictions.

Learn more 

What's new in Anrok

Q2 Product announcement.png
Q1 Product announcement

Knowledge base

Onboarding
Anrok Basics
Sales Tax & Returns
Global VAT
Integrations
Account
Billing
Updates & Bulletins

FAQs

What is nexus and do I have it?
How do I know if I need to register in a jurisdiction?
How do remittances work?
What is VAT?
What is a VAT ID?
Do I need to charge VAT?
What is a historic backfill?
What are product IDs and how do they work?
What is a sales tax exemption?

Get support

Still need a hand?

Pick the way that suits you — Anrok will take it from there.

Message our team Submit a request and get a reply from customer care, usually the same day. Check with Atlas Get instant answers about your data, the product, and sales tax compliance.