1.Prerequisites
| Requirement | Why it matters |
|---|---|
| Zoho organisation | Gives you GST fields, IRP connection & HSN/SAC codes |
| Base admin access | Needed to add integrations & automatic actions |
| API token in BaseLinker | 100 req/min limit keeps IRP traffic stable |
| GSTIN & HSN/SAC codes | Mandatory for e‑invoice schema (Version 1.1) Zoho Corporation |
2. Connect Zoho to BaseLinker
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Base Dashboard → Integrations → Add integration
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Search Zoho and pick Zoho Tile
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Click Connect Zoho Invoice account, Books or Inventory (you can add all three).
- Authorise & save
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Approve the OAuth pop‑up with your Zoho Super Admin login.
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Back in Base, hit Save — you’re connected.
3. Configure GST settings
| Panel | What to do |
|---|---|
| Series mapping | Link each Base invoice series (e.g. INV‑24) to a Zoho numbering sequence. |
| GST taxes | Import Zoho tax codes (CGST + SGST or IGST) and apply by state. |
| IRP auto‑upload | Toggle Send e‑invoice automatically to push IRN in real‑time. |
| HSN/SAC | Ensure every product in Base has an HSN; Zoho Books will validate before IRP upload. Zoho |
4. How data flows
| Direction | Data | Frequency | Notes |
|---|---|---|---|
| BL → Zoho | Invoices, credit notes, delivery challans | Instant, bulk, or API | Supports RCM self‑invoice (Books April 2025 update) Zoho Corporation |
| Zoho → IRP | JSON e‑invoice payload | Instant | Receives IRN + QR code ✔ |
| Zoho → BL | PDF with IRN + QR | After IRP approval | File stored in order attachments |
| Zoho Inventory → BL | Stock, base price (INR) | 10 min–24 h | Multi‑warehouse SKUs supported |
5. Automations for workflows
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Paid order → Issue invoice → Upload to IRP — sends GST e‑invoice seconds after Razorpay/COD confirmation.
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Country = IN + Amount > ₹50,000 → Create E‑way Bill (Zoho Books automation).
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Weekly bulk push — use Export documents to send older invoices before GSTR‑1 filing.
6. Base vs Competitors
| Feature | Base | Tally Connector | Busy + Zapier |
|---|---|---|---|
| Multi‑channel order import | ✅ 100+ marketplaces incl. Amazon India & Flipkart | ❌ Manual CSV | ⚠️ Limited |
| Native Zoho GSP link | ✅ OAuth + IRP push | ❌ | ❌ |
| Rupee warehouse & GST fields | ✅ | ⚠️ Add‑on | ⚠️ Mapping rules |
| Free trial for India | ✅ 30 days | 🚫 | 🚫 |
Base is the only connector that delivers one‑click Zoho GSP e‑invoicing, multi‑channel stock sync and local Indian support, no spreadsheets or middleware required.
7. Troubleshoots
| Issue | Solution |
|---|---|
| IRP rejects invoice (error 2150) | Check HSN code format and state‑wise tax split. |
| RCM self‑invoice missing | Use Zoho Books > Print Self‑Invoice feature and re‑sync. Zoho Corporation |
| API limit reached | Batch exports (max 200 docs per minute) or stagger via scheduler. |
8. FAQ’s:
Q: How do I create GST e‑invoices automatically?
A: Enable Automatic actions in Base: trigger “Order paid” → “Issue invoice” → “Export to Zoho”. Zoho pushes JSON to the IRP, returns IRN + QR and Base stores the PDF. Zoho
Q: Does Zoho Invoice stay free in India?
A: Yes. The Free plan includes unlimited e‑invoices. Upgrade to Zoho Books for ledgers, bank feeds and GSTR‑2A reconciliation. Zoho
Q: Can I handle Reverse Charge Mechanism?
A: Zoho Books April 2025 update adds Download Self‑Invoice for RCM; Base forwards the bill so you can print and attach it. Zoho Corporation
Q: What about multiple GSTINs for different states?
A: Create a separate Zoho organisation for each GSTIN and connect them individually in Base; use warehouse or series rules to route orders.