Founder
Building a payment gateway in India involves RBI regulations, PCI-DSS compliance, banking partnerships, and real-time transaction systems. It’s the kind of infrastructure work that sits at the center of fintech application development in India, and more broadly within fintech software development as a discipline.
UPI’s transaction volume keeps climbing month over month, and that scale is why businesses now weigh building their own gateway against a third-party provider, a call that depends on transaction volume, business model, and compliance capacity.
This guide covers how payment gateways work, the 2026 regulatory landscape, the build process, costs, and how to start a payment gateway company in India.
A payment gateway is the layer between a merchant’s checkout and banking systems. It captures payment details, encrypts them, and routes the transaction for approval within seconds.
In India, building a gateway usually means building the full system: checkout, processing, and bank integrations. Businesses serving other merchants also need an RBI Payment Aggregator license, which is a core part of payment gateway software development at scale in India.
A live transaction takes 2 to 3 seconds from “Pay Now” to confirmation:
RBI’s 2022 circular requires all entities, except card issuers and networks, to purge stored card data and transition to tokenization. It’s a compliance requirement, not a design choice.
Most businesses do not need to build one. Third-party solutions offer strong APIs and competitive pricing, and they already handle compliance.
Building makes sense when transaction volume is high enough that 1.5% to 3% fees add up, your model (marketplace, SaaS) requires collecting and settling payments for others, or you need custom flows and full control over payment data. Businesses serving other merchants also need an RBI Payment Aggregator license, a core part of building a custom payment gateway that operates at scale in India.
Think twice if RBI licensing (6 to 12 months, ₹15 crore net worth) and bank partnerships feel out of reach, or your team lacks payments expertise. Processing ₹10 crore monthly at 2% means ₹20 lakh in yearly fees, versus ₹1 to 2 crore to build; it comes down to long-term scale.
| Cost Category | INR (₹) | USD ($) |
|---|---|---|
| Core Development | ₹40L – ₹80L | $48,000 – $96,000 |
| PCI-DSS Certification | ₹8L – ₹20L | $9,600 – $24,000 |
| RBI Compliance | ₹5L – ₹10L | $6,000 – $12,000 |
| Bank Deposits | ₹20L – ₹50L | $24,000 – $60,000 |
| Infrastructure (Year 1) | ₹8L – ₹20L | $9,600 – $24,000 |
| Fraud Systems | ₹5L – ₹15L | $6,000 – $18,000 |
| Annual Maintenance | ₹10L – ₹15L | $12,000 – $18,000 |
A fully compliant gateway typically costs ₹1 crore to ₹2 crore ($120,000 to $240,000) in year one. Payment gateway development cost varies with payment rails, compliance scope, and domestic versus cross-border use. Building in phases, core features first, is the more practical path.
For most businesses, integrating an established gateway is the faster, lower-risk path; building only makes sense at meaningful transaction volume with the license, capital, and team to support it. Companies that do build typically need support across architecture, license documentation, API development, and PCI-DSS readiness.
Zethic works with fintech teams on exactly this kind of payment infrastructure work in India, backed by a dedicated regulatory technology and unified banking solutions practice that covers everything from PA license documentation to production-grade transaction systems, delivered through our fintech software development in Bangalore team. Teams weighing this decision are welcome to talk to Zethic about their specific numbers.
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Realistically, 6 to 12 months from application submission, since the RBI commonly sends queries requiring additional documentation for incomplete applications. There’s no guaranteed timeline, so fundraising and product plans should account for the full range.
The RBI Payment Aggregator license requires a minimum net worth of ₹15 crore, scaling to ₹25 crore within three years. Beyond that, expect ₹1 to 2 crore in development costs and ₹20 to 50 lakh in banking security deposits, putting total capital outlay before going live at roughly ₹2 to 3 crore.
It’s possible, but the RBI scrutinizes the promoter’s background and the credibility of the business plan closely. Having a founding team member with financial services experience, or engaging a fintech compliance consultant, meaningfully strengthens the application.
The fastest way is to integrate an established provider like Razorpay or PayU through their APIs, usually a few days of work with compliance already built in. Building from scratch only makes sense at meaningful transaction volume, with the licensing, capital, and team in place to support it.
