Overview
Connect a tax provider, set nexus/OSS, and validate invoice tax lines.
Prerequisites
Permissions required
Downloads & Templates
Steps (3)
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1
Connect TaxJar or Avalara
Settings → Taxes → **Connect** and paste API credentials.
Tips
Validation
Success criteria
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2
Set nexus / OSS
Define US nexus states or enable EU OSS for cross-border VAT.
Tips
Validation
Success criteria
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3
Validate an invoice
Create a $10 test invoice; verify tax lines and rounding against your policy.
Tips
Validation
Success criteria
About this guide
PayStream unifies payments for your workspace. Create invoices or subscriptions, accept global methods (cards, wallets, bank pay), and automate dunning with email/SMS links. Providers are pluggable, so you can route by region or fail over without rewriting flows. Agents issue refunds and send secure payment links from Agent Desk; receipts and PDFs are stored in SecureStore, and every event hits your FlowForge automations and Chronicle timeline.
Security-first design: tokenized instruments, least-privilege keys, signed webhooks with idempotency, and exportable audit logs. Finance and CX teams get shared metrics in InsightLake—auth rates, recovery, refunds, and MRR/ARR.