SAP S/4HANA ↔ Vertex — Global Indirect Tax Determination
The SAP S/4HANA ↔ Vertex connector by ERPPlugs calls Vertex O Series for real-time tax determination on every S/4HANA Sales Order + Purchase Order + AP Invoice — global VAT, GST, US sales tax with rate updates handled by Vertex. Returns generated per jurisdiction match Vertex Compliance filings. Replaces per-country tax table maintenance in S/4HANA.
Vertex O Series calls on every S/4HANA transaction for real-time global tax determination — VAT, GST, US sales tax with rate updates handled centrally.
What this connector does
Vertex O Series is the enterprise tax-determination platform for global VAT + GST + US sales tax; it is deployed at most Fortune 500s alongside S/4HANA. The ERPPlugs S/4HANA ↔ Vertex connector uses SAP's External Tax System interface + Vertex's standard SAP connector to route every Sales Order line, Purchase Order line, and AP Invoice line through Vertex for real-time rate determination. Vertex maintains rate updates globally so S/4HANA never needs per-country tax table maintenance. Compliance data flows back to Vertex Returns for jurisdiction filings.
How data flows and what gets synced
The bridge between SAP S/4HANA and Vertex, and the exact records that move across it.
SAP S/4HANA
ERPPlugs Engine
Vertex
| Data Type | Direction | Frequency |
|---|---|---|
| Tax determination calls | S/4HANA → Vertex | Real-time |
| Tax rate updates | Vertex → S/4HANA | On Vertex update |
| Compliance data | S/4HANA → Vertex Returns | Daily |
| Nexus + registration | Vertex → S/4HANA | On event |
What's included
Key Benefits
No More Tax-Table Maintenance
Global rate updates handled by Vertex centrally.
Real-Time Determination
Every SO + PO + AP line taxed at post-time.
Compliance Feed Automated
Vertex Compliance filings match S/4HANA books.
Marketplace Facilitator Handled
MPF logic applied on marketplace-sourced revenue.
Try the SAP S/4HANA ↔ Vertex Connector Free
Start with 1 connector and 100 transactions/month — no credit card required. See real data flowing between SAP S/4HANA and Vertex inside 5 minutes.
Compliance-ready. Live in minutes.
What you get out of the box for statutory compliance — and the exact steps to go live.
Setup in Minutes
Configure S/4HANA External Tax System
Activate FTXP with Vertex as tax procedure per country.
Authorise Vertex O Series
Grant ERPPlugs Vertex API + calling credentials.
Map tax categories + registrations
Sync Vertex nexus + registration data into S/4HANA.
Enable determination + compliance
Turn on real-time tax determination + daily compliance feed.
Simple, Transparent Pricing
Plans from Rs 499/month — upgrade as you grow.
Basic
- 1 connector (read-only sync)
- Daily sync (manual trigger)
- Basic GST compliance (CGST, SGST, IGST)
- HSN code auto-mapping
- Community support
- Standard sync-status dashboard
- ERPPlugs branding on reports
- Data retention (30 days)
Starter
- 1 connector (read-write sync)
- 15-minute sync intervals
- Full GST compliance (CGST, SGST, IGST, RCM)
- HSN and SAC auto-classification
- Email support (48-hour response)
- Bank reconciliation with UTR matching
- Multi-user access (up to 3 users)
- Standard reporting dashboard
- No ERPPlugs branding on reports
- Data retention (12 months)
Growth
- 3 connectors (read-write sync)
- Real-time sync (under 30 seconds)
- Full GST compliance + e-invoice + e-way bill
- HSN, SAC, and TDS auto-classification
- Priority support (4-hour response)
- Bank reconciliation across multiple accounts
- Multi-user access (up to 10 users)
- Custom field mapping and transformations
- Advanced analytics dashboard
- Webhook notifications for every event
- Scheduled reports (daily / weekly / monthly)
- Data retention (36 months)
Enterprise
- Unlimited connectors
- Real-time sync with sub-second latency
- Dedicated account manager (1-hour SLA)
- Full GST + e-invoice + e-way bill + IRN
- White-label option (your brand on reports)
- Custom field mapping and business logic
- Advanced analytics + custom BI exports
- Webhook notifications with retry and DLQ
- SSO and role-based access control
- Custom SLA with uptime guarantees
- Onboarding workshop and dedicated CS team
- Data retention (7 years) and audit export
- India-region data residency (DPDP-aligned)
Frequently Asked Questions
Native tax tables require per-country + per-jurisdiction maintenance and don't scale to global enterprises with 50+ jurisdictions. Vertex maintains rates, rules, and nexus centrally with monthly content updates. Enterprises with US + EU + APAC operations typically save 100+ hours per quarter on tax-table maintenance alone.
SAP's External Tax System interface (activated in transaction FTXP) sends every SD Sales Order line and MM Purchase Order line to Vertex for rate determination. Vertex returns tax code + amount which S/4HANA persists on the document.
Vertex Compliance takes transaction data feeds and generates filings per jurisdiction. The connector routes S/4HANA transactional detail to Vertex Compliance daily; filed returns match Vertex's outputs.
For US + EU + UK jurisdictions where marketplaces (Amazon, eBay, Walmart) collect tax as Marketplace Facilitators, the connector applies Vertex's Marketplace Facilitator logic on S/4HANA revenue postings so the seller's own returns reflect only their own-collected tax.
Yes — SAP DRC handles e-invoicing + statutory reporting; Vertex handles rate determination. The two typically layer: Vertex determines the tax, DRC handles the electronic invoice + statutory filing.
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