ERP Software Development Cost India 2026: ₹4L to ₹1.2Cr
Founder & Lead Developer, Codingclave · 200+ projects since 2017
ERP Software Development Cost India 2026: The Honest Build vs Buy Guide
If you are evaluating ERP in 2026, you are choosing between four real paths, Tally + Zoho duct-tape (₹50K-₹4L/year), Odoo or Zoho One (₹1.5L-₹18L/year), SAP Business One (₹14L-₹40L upfront + ₹6-12L/year), or a fully custom build (₹4L-₹1.2Cr+ upfront). Make the wrong call and you burn ₹20L-₹3Cr over five years on a system your team quietly abandons. If you are leaning towards the off-the-shelf paths, our ranked best ERP software in India comparison covers Tally, Zoho, Odoo and SAP B1 product by product.
I am Ashish Sharma, founder of Codingclave. We have shipped 14+ ERP systems for Indian businesses since 2019, pharma distributors, garment manufacturers, electronics wholesalers, ed-tech operators, and one 240-user textile group with three plants. This guide is the founder-to-founder cost breakdown I wish someone had handed me before I built my first ERP in 2019.
TL;DR: ERP Cost by Business Profile (India 2026)
| Business profile | SaaS annual cost | Custom build upfront | Best path 2026 |
|---|---|---|---|
| Solo / 1-10 users, simple trade | ₹50K-₹2.5L (Tally + Zoho Books) | ₹4L-₹6L | Stay SaaS |
| SME 10-30 users, single location | ₹1.5L-₹6L (Zoho One, Odoo Community) | ₹4.5L-₹10L | SaaS or Odoo Community |
| Mid-size 30-80 users, 2-3 branches | ₹6L-₹22L (Odoo Enterprise, Zoho One) | ₹10L-₹28L | Custom usually wins on TCO |
| Manufacturer 80-200 users, MRP-heavy | ₹15L-₹45L (SAP B1, Odoo) | ₹26L-₹65L | Custom wins on fit + cost |
| Enterprise 200-500 users, multi-plant | ₹40L-₹2Cr+ (SAP B1, S/4HANA, Oracle) | ₹65L-₹1.2Cr+ | Custom or SAP, depending on global footprint |
| Conglomerate 500+ users, multi-country | ₹1.5Cr-₹8Cr (S/4HANA, Oracle Fusion) | ₹1.2Cr-₹4Cr+ | Tier-1 SaaS usually wins |
The honest crossover: under 30 users you almost always lose money building custom. Over 80 users you almost always lose money staying on SaaS. The 30-80 user band is where most Indian businesses live, and where the build vs buy decision is genuinely hard.
WhatsApp +91 92771 84741 for a 30-min discovery call, I will tell you honestly which path fits, even if it is not us.
Path 1: What You Really Pay for SaaS ERP (Zoho, Odoo, SAP B1) in 2026
Indian SaaS ERP pricing has tightened in 2026 as Zoho pushes hard on bundle pricing and Odoo localizes more deeply.
Zoho One (most popular for Indian SMEs in 2026): approximately ₹1,250/user/month for the All-Employee plan, ₹2,500/user/month for the Flexible-User plan. A 30-user company pays around ₹4.5L/year on All-Employee, covers 50+ apps including Books, Inventory, CRM, People, Desk. The honest catch: deep customization is limited, multi-state GSTIN handling needs manual workarounds for some workflows, and once you cross 80-100 users the per-user math gets painful.
Zoho ERP standalone (newer, launched 2025-26): about ₹2,999/user/month in India. Targets businesses that want ERP-only without the wider Zoho suite. Good fit for 10-50 user manufacturing/trading firms. SAP-style features at SaaS pricing.
Odoo Enterprise: roughly ₹2,000-2,500/user/month for all-app access plus implementation. A 30-user team pays ₹7-9L/year in license alone, plus ₹3L-₹18L one-time implementation. Odoo Community is free to self-host, many of our clients run Community for 1-3 years before moving to Enterprise or custom. Honest tradeoff: Odoo's Indian localization (GST, e-invoicing, e-way bills) is solid but lags 4-8 weeks behind regulatory changes; you will sometimes patch manually.
SAP Business One (for serious mid-market manufacturers): starts around ₹6-8L/year for 25 users on Cloud, plus ₹8-15L implementation by an SAP partner. Heavier on-premise deployments hit ₹18-40L upfront. Honest take: SAP B1 is genuinely strong for export-heavy manufacturers and businesses planning IPO/audit-grade compliance. Overkill for ₹2-15Cr domestic trade.
Tally Prime + Zoho duct-tape: still the most common Indian stack under ₹5Cr revenue. Tally Prime: ₹22-65K one-time, ₹4-12K/year renewal. Add Zoho Books or Inventory for ₹15-40K/user/year. Total under ₹3L/year for 10-15 users. Works until you hit multi-warehouse, multi-GSTIN, or field-sales app needs.
Path 2: Real Cost of a Custom ERP Build by Component
When SaaS hits the ceiling, custom ERP gives you exact-fit workflows, full data ownership, and (often) lower 5-year TCO. Here is the honest cost breakdown by component, based on 14 deployments since 2019.
Frontend (web admin + dashboards)
React/Next.js or Vue-based ERP frontend with role-based access, responsive design, complex form workflows: ₹3L-₹14L depending on number of screens (25-200+) and depth of interactions.
Backend (APIs, business logic, RBAC)
Node.js/NestJS, Django, or Laravel backend with multi-tenant capability, RBAC, audit logging, workflow engine: ₹4L-₹22L depending on module count and business-rule complexity.
Database + data layer
PostgreSQL or MySQL with proper schema design for multi-company, multi-currency, multi-warehouse, time-series financial data, audit trails: ₹1.5L-₹6L including migration scripts from Tally/Excel/legacy.
Mobile apps (iOS + Android)
React Native or Flutter apps for field sales, warehouse picking, manager approvals, attendance: ₹4L-₹16L for both platforms, depending on offline-first complexity.
Core module set (out of 12-20 modules)
| Module | Build cost range | Build time |
|---|---|---|
| Finance + GST + ledgers | ₹2.5L-₹7L | 3-5 weeks |
| GST e-invoicing + IRP integration | ₹60K-₹1.5L | 1-2 weeks |
| E-way bill generation | ₹40K-₹1L | 1 week |
| Sales + quotation + invoicing | ₹1.5L-₹4L | 2-3 weeks |
| Purchase + vendor + PO approval | ₹1.5L-₹4L | 2-3 weeks |
| Inventory + multi-warehouse + batch | ₹2.5L-₹7L | 3-5 weeks |
| HRMS + attendance + leave | ₹2L-₹5L | 2-4 weeks |
| Payroll + PF/ESI/PT/TDS | ₹2L-₹6L | 3-5 weeks |
| Manufacturing + BOM + MRP | ₹4L-₹14L | 5-8 weeks |
| Production planning + job cards | ₹3L-₹10L | 4-6 weeks |
| CRM + lead-to-cash | ₹2L-₹6L | 2-4 weeks |
| Project + timesheet | ₹2L-₹5L | 2-4 weeks |
| BI dashboards + custom reports | ₹2L-₹8L | 3-5 weeks |
| Multi-company + multi-currency | ₹1.5L-₹4L | 2-3 weeks |
| WhatsApp Business integration | ₹60K-₹2L | 1-2 weeks |
Integrations layer (the budget killer)
Each external integration adds 18-30% to base build cost. See the FAQ for the full breakdown, Tally, GSTN, Razorpay, banks, marketplaces, logistics, WhatsApp.
Hosting + DevOps
AWS/Azure production setup with auto-scaling, daily backups, DR, monitoring: ₹15K-₹2L/month depending on load. Setup + IaC: ₹1L-₹4L one-time.
Hidden Costs Most Indian Buyers Miss
I have watched founders go ₹6-18L over budget on ERP because the proposal hid these line items. Build them into your 2026 budget.
- Data migration from Tally/Excel/legacy: ₹1.5L-₹6L. Old Tally databases are messy; SKU master cleanup alone takes 3-5 weeks.
- Staff training + change management: ₹1L-₹4L. Sales teams, warehouse operators, accountants all need 4-12 hours of structured training plus 6-12 weeks of hand-holding.
- Annual maintenance contract (AMC): 12-22% of build cost per year. Covers bug fixes, regulatory updates (GST rate changes, e-invoicing schema updates), minor features.
- Regulatory updates: GST schema changes, TDS section additions, DPDP Act compliance updates. Budget ₹1.5-4L/year for serious changes.
- Server scaling: once you cross 80-100 concurrent users, hosting bills jump 2-4x. Plan for ₹50K-₹2L/month at scale.
- Mobile app store fees + Apple/Google certs: ₹10K-₹50K/year ongoing.
- Custom report builder added later: ₹2L-₹8L. Every CFO wants a custom MIS dashboard six months in.
- Backup, DR, and security audit: ₹1.5L-₹5L/year for serious workloads. SOC 2-style audits cost ₹4-12L if needed.
Total hidden-cost overhead: budget 30-45% on top of the headline build number for year 1, and 18-26% of build cost annually thereafter.
Cost by Feature Tier: Basic, Advanced, Enterprise
Basic ERP (₹4L-₹9L, 10-14 weeks)
For: 5-25 user trading or service businesses, single location, single GSTIN. Includes: Finance, GST, sales, purchase, inventory, basic HRMS, web only, single-tenant. Skips: Manufacturing, multi-warehouse, mobile apps, BI dashboards.
Advanced ERP (₹10L-₹28L, 14-22 weeks)
For: 25-100 user manufacturers, distributors, multi-location service businesses. Includes: All of basic plus manufacturing-lite/MRP, multi-warehouse, multi-GSTIN, payroll, CRM, mobile app, WhatsApp integration, BI dashboards. Skips: Multi-company consolidation, advanced production planning, ML forecasting.
Enterprise ERP (₹28L-₹1.2Cr+, 24-60 weeks)
For: 100-500+ user manufacturers, multi-plant, multi-company, export-heavy. Includes: Everything in advanced plus multi-company consolidation, full MRP with capacity planning, advanced BOM with sub-contracting, multi-currency, ML demand forecasting, dedicated mobile apps per role, deep BI/data warehouse, white-glove deployment per plant.
Real Anonymized Example: ₹19.4L Mid-Size Manufacturer ERP
A Noida-based auto-components manufacturer, 68 employees across HQ + plant + warehouse, ₹38Cr revenue, was running Tally Prime + 7 separate Excel sheets + a 4-year-old half-built Odoo Community deployment that no one trusted. They came to us in mid-2025.
Scope shipped in 19 weeks:
| Line item | Cost (₹) |
|---|---|
| Discovery + architecture (3 weeks) | 1,80,000 |
| Finance + GST + 2 GSTIN handling | 3,40,000 |
| Sales + CRM + quotation engine | 2,20,000 |
| Purchase + vendor + 3-step PO approval | 1,80,000 |
| Inventory + 3 warehouses + batch + serial | 3,20,000 |
| Manufacturing-lite (BOM + MRP basic + job cards) | 4,40,000 |
| HRMS + payroll + PF/ESI/TDS | 2,80,000 |
| GST e-invoicing + e-way bill (NIC IRP direct) | 1,20,000 |
| Tally migration + 4-year historical data import | 2,40,000 |
| WhatsApp dispatch notifications + payment reminders | 1,10,000 |
| BI dashboards (sales, inventory, plant utilization) | 2,80,000 |
| Mobile app (warehouse + field sales) | 4,60,000 |
| Razorpay + HDFC bank statement integration | 1,40,000 |
| AWS hosting setup + DevOps | 1,80,000 |
| Training + 8 weeks parallel run + cutover | 2,40,000 |
| Total ship cost | ₹37,50,000 |
| Less: Phase 2 deferred to 2026 (multi-company, ML forecasting) | -18,10,000 |
| Phase 1 launched cost | ₹19,40,000 |
ROI 9 months in: Tally + Excel + Odoo licenses retired saving ₹4.8L/year; bookkeeper team rebalanced freeing 2.2 FTE (₹14L/year); inventory writeoffs dropped from 5.8% to 1.4% on ₹14Cr inventory base saving ₹6.2L/year; GST compliance penalties dropped from ₹2.4L (FY24) to zero. Break-even hit month 16.
When to Build Custom vs When to Stay on SaaS
Stay on SaaS (Zoho One / Odoo / Tally + add-ons) if:
- Under 30 users with broadly standard workflows
- Revenue under ₹12Cr and growing under 40%/year
- Single GSTIN, 1-2 warehouses, no field-sales mobile need
- You do not have a tech-savvy founder or CTO who will defend the project for 6-12 months
- You want live in 4-10 weeks, not 14-40 weeks
Build custom (₹10L-₹70L tier) if:
- 30-200 users with at least 3 of: multi-warehouse, multi-GSTIN, field sales, manufacturing/MRP, marketplace integration, regional bank integration
- Revenue above ₹15Cr with clear visibility to ₹40Cr+
- Your industry workflow is genuinely unique (pharma batch tracking, garment size-curve, electronics serial tracking, ed-tech multi-batch)
- You want full data ownership and 5-year TCO at 50-70% of SaaS equivalent
- You have a founder/CTO who will own the deployment internally
Go enterprise SAP/Oracle (₹1Cr+ tier) if:
- 500+ users, multi-country, IPO-track or audit-graded compliance
- Genuine need for SAP-grade manufacturing depth (process industries, complex sub-contracting)
- Budget for ₹40L-₹2Cr/year ongoing license + support
The honest truth: 70-80% of Indian SMEs we talk to are best served by either SaaS or our mid-tier custom build (₹10L-₹28L). Only 10-15% genuinely need full enterprise. Anyone selling you SAP for a ₹20Cr trading business is selling, not advising.
The Codingclave ERP Offering: 4 Fixed-Scope Tiers
We work in fixed-price tiers so founders have full clarity upfront. Each tier includes GST e-invoicing, e-way bill, IRN/QR, DPDP Act-compliant data architecture, role-based access, and 90 days of free post-launch fixes.
Tier 1: ERP Starter (₹4.5L-₹8L, 10-12 weeks)
4-5 core modules: finance + GST + sales + purchase + inventory. Up to 25 users, 1 GSTIN, web only. For small trading/service businesses migrating from Tally + Excel.
Tier 2: ERP Growth (₹10L-₹22L, 14-20 weeks)
7-10 modules including HRMS, payroll, manufacturing-lite, multi-warehouse, multi-GSTIN, mobile app, WhatsApp integration, BI dashboards. For 25-100 user mid-market businesses. Most popular tier.
Tier 3: ERP Full (₹26L-₹58L, 24-36 weeks)
12-16 modules including full MRP, BOM, job cards, multi-company, advanced BI, role-based access, deep integrations, iOS + Android apps. For 100-300 user manufacturers + distributors.
Tier 4: ERP Enterprise (₹65L-₹1.2Cr+, 36-60 weeks)
Multi-plant, multi-country, advanced ML forecasting, dedicated DevOps, white-glove rollout per location, 24x7 support SLA. For 300+ user enterprises and conglomerates.
AMC after first 90 days: 14-18% of build cost annually. Includes regulatory updates, bug fixes, minor feature additions, hosting management.
WhatsApp +91 92771 84741 for a 30-min discovery call. I will tell you honestly which tier fits, and if SaaS is genuinely the right call for your stage, I will tell you that too.
Related Codingclave Guides
- Build vs Buy CRM India 2026: the same build vs buy framework for CRM
- Hospital Management Software Cost India 2026: for healthcare-specific ERP/HMS needs
- Marketplace App Development Cost India 2026: if your ERP needs marketplace seller workflows
- Restaurant POS Software Cost India 2026: for F&B/QSR-specific ERP needs
- Society Management App Development Cost India 2026: for residential/commercial society ERP
About the Author
Ashish Sharma is the founder of Codingclave, a Top Rated Upwork agency headquartered in Lucknow building custom software for Indian and Gulf businesses since 2017. Codingclave has shipped 14+ custom ERP deployments across manufacturing, distribution, ed-tech, healthcare, and services, including a 240-user textile group spanning three plants. Ashish writes founder-to-founder guides on the real economics of custom software in India. Connect on LinkedIn or WhatsApp +91 92771 84741.
Frequently asked questions
Honest 2026 ranges from our 14 ERP deployments. Lite ERP (5-25 users, 3-5 core modules — sales, inventory, billing, basic HR, finance): ₹4L-₹9L upfront, 10-14 weeks build. Mid-tier ERP (25-100 users, 6-10 modules including manufacturing/MRP, multi-warehouse, GST e-invoicing, basic CRM): ₹10L-₹28L upfront, 14-22 weeks. Full ERP (100-500 users, 12-20 modules incl. production planning, multi-company, multi-currency, BI dashboards, mobile apps): ₹28L-₹70L upfront, 24-40 weeks. Enterprise ERP (500+ users, multi-plant, multi-country, advanced workflows, native ML forecasting, deep integrations): ₹70L-₹1.2Cr+ upfront, 36-60 weeks. Add 12-22% annual AMC. Most Indian mid-size businesses fit the ₹10L-₹28L band — and recover the investment in 14-22 months versus Zoho/Odoo SaaS subscriptions when user count crosses 40-60.
The crossover depends on user count and customization depth. For 1-15 users with standard workflows, SaaS wins on TCO — Zoho ERP at approximately ₹2,999/user/month or Odoo Enterprise around ₹2,000-2,500/user/month means a 10-user team pays ₹3.6L-₹3.7L/year, much less than a custom ₹10L+ upfront. For 30-80 users, the math flips — at ₹3K/user/month for 50 users you're paying ₹18L/year in licenses alone, so a one-time ₹20L custom build pays back in 13-14 months and saves ₹70-90L over 5 years. For 100+ users with complex Indian-specific workflows (Hindi UI, multi-state GST, manual job-card workflows, regional bank integrations) custom almost always wins on both cost and fit. SAP Business One starts around ₹6-8L/year licensing for 25 users plus ₹8-15L implementation, so SAP only makes sense if you genuinely need its global manufacturing depth or audit pedigree.
The eight hidden costs that blow up ERP budgets. (1) Data migration from Tally/Excel/legacy systems: ₹1.5L-₹6L depending on data quality. (2) GST e-invoicing + e-way bill integration with NIC IRP: ₹40K-₹1.5L if not bundled. (3) Bank statement reconciliation + payment gateway integration: ₹80K-₹3L. (4) WhatsApp Business API for order confirmations + dispatch notifications: ₹60K-₹2L plus ongoing meta charges. (5) Staff training + change management: ₹1L-₹4L (often eaten by founder's time, but a real cost). (6) Hosting + infra (AWS/Azure for production): ₹15K-₹2L/month for serious workloads. (7) Annual maintenance contract (AMC): 12-22% of build cost per year. (8) Custom report builder + BI dashboards added later: ₹2L-₹8L. Most agencies quote module build cost and stay silent on these — budget another 30-45% on top of the headline number.
The non-negotiable modules for any Indian SME ERP in 2026. (1) Finance + accounting with auto-posted GST ledgers, TDS, multi-state GSTIN handling. (2) GST e-invoicing direct to NIC IRP with IRN/QR generation. (3) E-way bill generation + auto-update on dispatch. (4) Sales + CRM with quote-to-cash workflow. (5) Purchase + vendor management with PO approvals. (6) Inventory + multi-warehouse with batch/serial tracking (mandatory for pharma, FMCG, electronics). (7) HRMS + payroll with PF/ESI/PT compliance + Form 16 generation. (8) MIS dashboards + role-based access. Manufacturing add: BOM + MRP + production planning + job cards. Distribution add: route planning + DSR + secondary sales tracking. Service businesses add: project + timesheet + utilization tracking. Without modules 1-3 you cannot legally invoice above the GST threshold — they are not optional, they are statutory.
Realistic timelines from 14 ERP projects we've shipped. Lite ERP build: 10-14 weeks development + 3-5 weeks rollout (data migration, training, parallel run, cutover). Mid-tier ERP: 14-22 weeks development + 5-9 weeks rollout. Full ERP: 24-40 weeks development + 8-14 weeks rollout. Enterprise multi-plant ERP: 36-60 weeks development + 12-22 weeks phased rollout per plant. We always phase deployments — Phase 1 (weeks 0-12): finance + GST + sales + purchase + inventory. Phase 2 (weeks 12-24): manufacturing/MRP + HRMS + payroll. Phase 3 (weeks 24-36): advanced modules, mobile apps, BI, integrations. Big-bang launches fail 60-70% of the time in Indian factories — the team revolts, paper parallel runs forever, and the system gets abandoned. Phased rollout with 4-6 week parallel runs at each phase is the only model that actually sticks.
Odoo is genuinely the best middle path for many Indian SMEs in the 20-150 user range. Odoo Community is open-source and free to self-host; Odoo Enterprise costs around ₹2,000-2,500/user/month with all modules unlocked. Implementation cost in India ranges from ₹90K for a simple 5-user Community setup to ₹40L+ for a heavily customized Enterprise rollout with manufacturing + multi-company + Indian localization. We've delivered Odoo implementations in the ₹3L-₹18L range for clients who wanted faster time-to-value than full custom. The tradeoff: you inherit Odoo's UX (acceptable but not great in Hindi/regional languages), and deep customization can fight the upgrade path. For under 50 users with broadly standard workflows, Odoo wins. For over 100 users with hyper-specific Indian workflows (job-work, sub-contracting, tax stratification by state, regional bank file formats) custom usually wins because Odoo customization fees stack faster than people expect.
Real ROI we've measured across our 14 ERP deployments. Direct cost savings: (1) Bookkeeper + accountant time drops 40-60% — saves ₹2-8L/year for mid-size business. (2) Inventory write-offs (expired/obsolete stock) drop from 4-7% to 1-2% — saves ₹4-25L/year for a ₹10Cr+ trading or manufacturing business. (3) GST compliance penalties + interest drop near zero — saves ₹50K-₹6L/year. (4) Procurement leakage (over-ordering, missed discounts) reduces 8-12% on input cost — saves ₹6-40L/year on a ₹2Cr+ purchase base. (5) AR collection cycle shortens by 8-18 days — frees ₹15L-₹2Cr of working capital. Revenue gains: faster quote-to-cash adds 5-12% to win-rate. Realistic break-even on a ₹15-25L custom ERP: 14-22 months for a mid-size manufacturer; 18-30 months for a mid-size trader; 9-14 months for a service business with high billing volume. Anyone promising under 9 months is selling, not honest.
For a 30-person Indian trading business, the honest answer in 2026 is usually still SaaS — but with caveats. If revenue is under ₹10Cr and workflows are standard (purchase, inventory, sales, GST), Tally Prime (₹22K-₹65K one-time) plus Zoho Inventory or Zoho Books (₹1.5L-₹4L/year for 30 users) is the lowest-friction stack. You'll hit ceilings: weak multi-warehouse handling, manual e-way bills above threshold, no real CRM, no field-sales app. Move to custom ERP when you hit at least three of: (1) revenue crossing ₹15Cr; (2) over 3 warehouses or branches; (3) more than 5 GSTINs across states; (4) field sales team needing offline mobile app; (5) integration needs with 4+ external systems (payment, logistics, marketplaces, banks); (6) bookkeeping team spending over 30% of their time on data entry instead of analysis. At that point a ₹12-22L custom ERP saves ₹4-8L/year in SaaS plus ₹6-12L/year in operational waste.
We work in four fixed-scope tiers so founders have full price clarity upfront. Tier 1 — ERP Starter (₹4.5L-₹8L, 10-12 weeks): 4-5 core modules — finance + GST + sales + purchase + inventory, up to 25 users, 1 GSTIN, web only. Tier 2 — ERP Growth (₹10L-₹22L, 14-20 weeks): 7-10 modules incl. HRMS, payroll, manufacturing-lite, multi-warehouse, multi-GSTIN, mobile app, WhatsApp integration. Tier 3 — ERP Full (₹26L-₹58L, 24-36 weeks): 12-16 modules incl. full MRP, BOM, job cards, multi-company, BI dashboards, role-based access, deep integrations, iOS + Android apps. Tier 4 — Enterprise (₹65L-₹1.2Cr+, 36-60 weeks): multi-plant, multi-country, advanced ML forecasting, dedicated DevOps, white-glove rollout per location. Every tier includes GST e-invoicing, e-way bill, IRN/QR, DPDP Act-compliant data architecture, and 90 days of free post-launch fixes. AMC after that is 14-18% of build cost annually. WhatsApp [+91 92771 84741](https://wa.me/919277184741?text=Hi%20Ashish,%20I%20need%20ERP%20development%20help) for a 30-min discovery call.
Yes — every serious Indian ERP in 2026 must integrate with this stack. Tally: two-way Tally Prime XML or ODBC sync, typically ₹1-2.5L (useful during 6-12 month migration window; we usually retire Tally fully within a year). GSTN: direct NIC IRP integration for e-invoicing + e-way bill, ₹40K-₹1.2L. Razorpay/PayU/Cashfree: payment links, auto-reconciliation, payout APIs, ₹50K-₹1.5L. Banks: HDFC Connect, ICICI CIB, SBI CINB statement pulls + bulk payments, ₹80K-₹3L per bank. Marketplaces: Amazon SP-API, Flipkart Seller, Meesho, Myntra inventory + order sync, ₹1L-₹3L per channel. Logistics: Shiprocket, Delhivery, Bluedart, Ecom Express label + tracking, ₹50K-₹2L per partner. WhatsApp Business API: order confirmations, dispatch, payment reminders, ₹60K-₹2L plus per-message fees. Plan integrations as a separate line item in the budget — they typically add 18-30% on top of core build cost.