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Future-Proof Your Transactions with API-First Payment Solutions
Sigma’s digital payment software solutions empower fintechs, enterprises, and digital-native businesses to offer seamless, compliant, and lightning-fast payment experiences. From instant checkout to international settlements, we build robust infrastructure so your payments scale with your business.
Why Settle for Slow? Go Digital-First with Sigma’s Online Payment Infrastructure
Accelerate Payments with Real-Time, Secure, and Scalable Solutions
With Sigma’s digital payment solutions, modernize your payment stack to deliver faster transactions, seamless CX, and global-ready infrastructure.
In a hyper-connected world, outdated payment systems are bottlenecks. Our fintech payment solutions solve for:
- Real-time, low-latency transaction processing
- Seamless user experience across all channels
- Compliance and security from Day 1
- Global reach with localized payment methods
- Agile platforms that grow with your product
Our Digital Payment Software Solutions for Fintech Platforms
A full-stack payment solution built for fintech scalability, cross-border expansion, real-time monitoring, and omnichannel enablement.
Multi-Channel Payment Solutions for a scalable digital payment platform
Omnichannel Payment Solutions for Frictionless Checkout
Sigma’s Omnichannel payment solutions enable businesses to deliver frictionless digital payment experiences across mobile, web, POS, and embedded platforms. With an API-first architecture, our digital payment solutions allow businesses to initiate card, UPI, wallet, ACH, and crypto transactions with secure flow automation and intelligent routing.
Our omnichannel payment solutions capabilities are the best fit for
- Unifying checkout across web, mobile, in-app, and POS
- Card, UPI, wallet, BNPL, and crypto payment integrations
- Faster developer integrations through embedded SDKs and APIs
- Multi-rail payment orchestration with fallback routing
- Cross-platform experiences to reduce cart abandonment
- White-label payment stack with built-in security
Payment Gateway Integration for fintech payment platforms
Plug Into Trusted Gateways with custom payment gateway solutions
Sigma’s Payment Gateway Integrations for fintechs enable secure digital payments through an API-first architecture that connects Apple Pay, Google Pay, credit cards, and wallets. Our effective payment integrations support global and local gateways with intelligent routing, real-time processing, and scalable, regulatory-compliant payment flows.
Our API-first payment system capabilities enable
- Real-time integration with Stripe, Razorpay, PayPal & Adyen
- Payment routing and fallback logic across PSPs
- Custom SDKs for easy integration into fintech apps
- Gateway-agnostic orchestration for global coverage
- Instant settlement, refunds, and chargeback handling
- PCI-ready APIs with built-in tokenization and fraud checks
Security & Compliance Built in for a scalable digital payment platforms
Secure Digital Payment Processing with Compliance Automation
Sigma’s PCI-compliant payment workflows allow fintech businesses to automate PCI, KYC, and invoicing with secure payment flow automation and regulatory-compliant payment processes. Our compliant payment workflows ensure secure digital payments with built-in fraud controls, audit trails, and compliance for debit cards, digital wallets, and mobile banking platforms.
Our Security & Compliance built-in capabilities support
- PCI-DSS compliant payment infrastructure
- Split settlements, recurring billing, and tax rules
- Merchant onboarding with automated KYC flows
- Secure audit logs and traceable data trails
- Disbursement rules based on geography or partner type
- Automated invoicing with tax and legal compliance
Real-Time Payment Analytics & Reporting for Fintech Payment Platforms
Drive Smarter Decisions with Real-Time Payment Intelligence
Sigma’s Real-Time Payment Analytics & Reporting solutions for fintech provide real-time visibility into your digital payment system with live analytics, dynamic fraud control, and performance tracking. Our solutions monitor credit and debit card flows and detect issues instantly, allowing businesses to enhance customer experience across all digital payment methods.
Our Real-time payment analytics and reporting solutions enable
- Customizable dashboards with live transaction health
- Monitor chargebacks, refunds, and fraud indicators
- Integration with Power BI, Tableau, or internal tools
- System alerts for abnormal transaction behavior
- Card, wallet, ACH, and crypto payment flow analysis
- Improvement of authorization rates with data-driven insights
Cross-Border Payments & Currency Handling for Fintech Payment Platforms
Simplify Global Expansion with Cross-Border Payment Solutions
Sigma’s cross-border payment solutions with an API-first architecture empower businesses to initiate global transactions. The software solutions allow businesses to accept credit cards, digital wallets, Apple Pay, and Google Pay in multiple currencies. Our Cross-Border Payment Solutions support real-time fund transfers, FX conversion, and secure, regulatory-compliant cross-border payment flows, which are crucial for businesses to gain a competitive edge.
Our cross-border payment solution capabilities support
- Accepting 100+ currencies with real-time FX rates
- Borderless invoicing and disbursement systems
- Local payment rail support (ACH, SEPA, UPI, etc.)
- Built-in compliance with remittance regulations
- Wallet, card, and bank payouts across geographies
- FX fee transparency and automated conversions
Third-Party & Banking Integration Solutions for API-first payment systems
Integrate Seamlessly with Banks, Wallets & Core Finance Platforms
Sigma’s payment API integration allows enterprises to connect seamlessly to core banking, ERP, and fintech platforms through an API-first architecture. The integrations support secure payments, real-time fund transfers, and intelligent routing, allowing businesses to unify digital wallets, credit cards, and mobile banking in a scalable payment ecosystem.
Our Embedded finance API connectors support
- API-led integration with banks, ERPs, and wallets
- Core banking connectors for real-time sync
- Middleware for loan servicing and invoicing tools
- One-click integration with third-party fintech APIs
- Unify merchant, customer, and transaction data
- Reduce integration overhead via prebuilt connectors
Instant Payments with Built-In KYC & Fraud Prevention
KYC-powered payment onboarding
Fraud-aware payment processing
Sigma’s digital payment solutions help fintechs, NBFCs, and enterprises launch, scale, and optimize user experience.
Accelerate Growth with Developer-Ready APIs and SDKs
Rapid fintech product development through modular APIs that unify payments, wallets, and banking integrations.
Global Expansion with Built-In Compliance Support
Rapid fintech product development through modular APIs that unify payments, wallets, and banking integrations.
Scale Confidently with Secure Cloud-Native Infrastructure
Deliver secure, always-on payment experiences with encrypted, zero-trust architecture.
Speed Up Launches with Reusable, Plug-and-Play Payment Components
Go live faster with prebuilt orchestration modules designed for rapid MVPs and enterprise scale.
Optimize Revenue with Real-Time Payment Analytics
Use live insights to boost success rates, reduce fraud, and drive smarter product decisions.
Market momentum!
The global digital payments market will exceed $20T, rising to $38T by 2030, growing at a CAGR of 13.6%!
Sigma’s digital payment solutions for fintech platforms in action
Discover how Sigma Infosolutions powers real-world payment transformation with tech-driven precision.
Tailored Digital Payment Solutions for Every Financial Model
From fintechs to global SaaS platforms, Sigma delivers API-first, secure, and scalable digital payment systems that support diverse business needs and user flows.
Fintechs
Real-time, multi-rail payment systems with wallet, BNPL, and crypto support.
Enterprises & Marketplaces
Split payments, escrow workflows, and tax-compliant invoicing automation.
Digital Banks & NBFCs
Secure, recurring billing and AML-ready payment systems integrated into core banking.
Global SaaS Platforms
Embedded finance APIs with multi-currency billing and real-time FX support.
Payment Transformation in 4 Phases
Ready to Build the Future of Payments?
Sigma’s digital payment solutions are built for growth—enabling frictionless digital payment experiences, secure flow automation, and regulatory-compliant operations across global markets.
Together with Clients, We Build Fintech That Performs
Success Stories
Learn how AWS cloud modernization helped a U.S. lender achieve scalability, speed, and security across its lending and servicing operations.
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Discover how a smarter LMS helped a U.S. lender boost scalability, streamline renewals, and improve transparency across loan servicing.
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See how a leading U.S. banking association boosted efficiency, security, and member engagement through innovative tech solutions.
Read moreFrequently Asked Questions
What makes Sigma’s digital payment solutions ideal for fintech startups and digital lenders?
Sigma offers a secure and scalable digital payment solution for fintech startups and lenders with API-first architecture, mobile wallet integrations, and real-time payment processing with customizable APIs, all built for compliance, growth, and speed to market.
Can Sigma help integrate Apple Pay, Google Pay, and mobile wallets into the payment platform?
Yes. We enable seamless integration of Apple Pay, Google Pay, debit cards, digital wallets, and BNPL systems to deliver frictionless digital payment experiences and support every preferred payment method across lending and eCommerce apps.
How does Sigma support regulatory-compliant payment flows and fraud detection?
Our digital payment software solutions include secure payment flow automation, AML/KYC checks, and dynamic fraud control in payment systems to ensure that every transaction meets PCI DSS and local compliance standards, making Sigma a reliable partner for regulated digital lenders and alternative lenders.
Is your payment infrastructure suitable for high-volume or high-availability use cases?
Absolutely. Sigma delivers digital payment software solutions for high-availability payment platforms with a modular payment technology stack that supports scalability and uptime-critical needs across neobanks, microfinance platforms, and global SaaS providers.
Can Sigma offer cross-border payments and multi-currency solutions?
Yes. We provide digital payment solutions that support real-time fund transfer ecosystems with intelligent transaction routing and FX conversion and are also fit for local rails (ACH, SEPA, UPI).
Do you offer embedded finance APIs for fast integration?
Yes. Sigma’s embedded finance APIs rapidly integrate with digital payment engines into apps for loan origination, online repayments, or one-click checkout for lending apps—supporting real-time settlements and smart routing.
How does Sigma’s digital payment solutions enable online collections and digital disbursements for NBFCs or microfinance firms?
Our digital payment software solutions encompass wallet-based disbursement tools, recurring and one-time payment flows, and cloud-native payment platforms best suited for financial institutions looking for smooth online collections, bulk payouts, and automated repayment tracking.
What types of digital payment methods does Sigma support?
We support a wide range of digital payment methods, including credit and debit cards, ACH, wallets, UPI, BNPL, crypto, and mobile banking, making us the right fit for any digital banking or embedded finance use case.
What type of digital payment services does Sigma offer?
We offer a comprehensive range of digital payment services tailored to meet your business needs. Our services include digitizing client onboarding processes to enhance customer experience, leveraging advanced analytics and machine learning to identify and prevent fraud, assisting in the implementation, migration, and management of core platforms, building customized models to identify risks and business opportunities, transforming middle and back-office solutions using productivity tools, utilizing artificial intelligence (AI) and machine learning (ML) to improve top-line and bottom-line performance, and integration with third-party systems. Our goal is to provide you with robust and innovative solutions that optimize your digital payment processes and drive business growth.