Enterprise Payment Engine 2.0

The financial infrastructure for modern businesses

EienONE powers scalable checkout flows, instant payouts, and automated bill payments — all with 99.999% uptime and bank-grade security.

PCI-DSS Compliant
Instant Setup
99.999% Uptime

Powering checkout experiences alongside

ShopLine
StackCommerce
OmniPlatform
React Native
Quick Integration

Go live in minutes, not months.

Our developer-friendly APIs and comprehensive SDKs get you from zero to production faster than ever.

01

Create Account

Sign up in seconds and get instant access to our sandbox environment.

02

Get API Keys

Generate your API credentials and configure your webhook endpoints.

03

Integrate SDK

Use our libraries for React, Node.js, Python, or direct REST API calls.

04

Go Live

Switch from sandbox to production with a single toggle. Start accepting payments.

Developer First

Clean APIs that just work.

Our RESTful APIs are designed with developer experience in mind. Clear documentation, consistent patterns, and predictable responses.

RESTful API with JSON responses
Webhooks for real-time events
SDKs for Node.js, Python, PHP, Go
Postman collections included
99.99% API uptime SLA
payment.js
const payment = await eienone.payments.create({
amount: 2499,
currency: 'INR',
method: 'upi',
});

// Payment processed in 50ms
webhook-handler.js
// Webhook received
app.post('/webhook', (req, res) => {
const event = req.body;
if (event.type === 'payment.success') {
fulfillOrder(event.data);
}
});
Enterprise Security

Bank-grade security at every layer.

Your data and transactions are protected by the same standards used by the world's leading financial institutions.

PCI-DSS Level 1

Certified compliant with the highest payment card industry standards.

256-bit Encryption

AES-256 encryption for all data at rest and in transit.

AI Fraud Detection

Machine learning models analyze 100+ risk signals per transaction.

Global Compliance

GDPR, SOC 2 Type II, and ISO 27001 certified infrastructure.

ISO 27001
PCI-DSS
SOC 2 Type II
GDPR Compliant
RBI Registered

The ultimate router.

Direct bank pipes, programmable ledgers, and ML-driven fraud prevention — all from a single API.

Direct Bank Integration

Bypass legacy intermediaries. We pipe directly into top-tier banking infrastructure resulting in lower latency and immediate settlement mapping.

Programmable Ledgers

Spin up immutable sub-wallets for your users via API. Split payments, hold funds in escrow, and trigger automated reconciliations.

ML Fraud Prevention

Our real-time neural networks scan 100+ variables per transaction routing risky vectors to challenge flows automatically.

Architecture

System Reliability.
Built in.

We've engineered our platform to never act as a single point of failure. Redundant database clusters, multi-region failover, and active-active setups.

  • 99.999% Historical Uptime

    Maintained consistently over millions of requests.

  • Zero-Downtime Deployments

    Updates hit production without dropping a single packet.

  • Real-time Observability

    Full-stack monitoring, tracing, and alerting on every microservice.

production-logs
~ tail -f /var/log/EienONE/sys.log
[14:32:01] INFO: Region US-East synced.
[14:32:04] INFO: Load balancer routing 4,200 req/s.
[14:32:05] SUCCESS: Auth sequence verified for sk_12a...
[14:32:06] INFO: Webhook dispatcher idle.
[14:32:09] DB: Query latency < 2.4ms.
0B+
Processed Annually
0.99%
Success Rate
0ms
Avg Latency
0k+
Active Merchants
Got Questions?

Frequently Asked Questions

Everything you need to know about getting started with EienONE.

How long does it take to integrate EienONE?

Most developers complete their first integration within a few hours. Our REST APIs are designed for simplicity, and we provide SDKs for popular languages along with comprehensive documentation and Postman collections.

What payment methods do you support?

We support 100+ payment methods including UPI, Credit/Debit Cards (Visa, Mastercard, RuPay), Net Banking with 50+ banks, Wallets (Paytm, PhonePe, Amazon Pay), and BNPL options.

Is there a sandbox environment for testing?

Yes! Every account gets access to a fully-featured sandbox environment where you can test all payment flows, webhooks, and edge cases without using real money.

How do you handle payouts?

Our Payouts API lets you disburse funds instantly to bank accounts, UPI IDs, and wallets 24/7/365. We support bulk payouts, scheduled transfers, and real-time status tracking.

What are your pricing and transaction fees?

We offer transparent, pay-as-you-go pricing with no setup fees or hidden charges. Payment gateway fees start at 2% + GST, with volume-based discounts available. Contact our sales team for custom enterprise pricing.

How secure is the platform?

Security is our top priority. We're PCI-DSS Level 1 certified, use AES-256 encryption, and employ ML-based fraud detection. Our infrastructure is SOC 2 Type II and ISO 27001 certified.

Still have questions?

Contact Support

Trusted by engineering teams

Don't just take our word for it. Hear from the developers and founders who build on our platform.

"Integrating took our team less than a week. The APIs are pristine, the webhooks are instantly delivered, and the dashboard is incredibly intuitive."

Sarah Jenkins
CTO at TechFlow

"We migrated from a legacy payment processor and saw our authorization rates jump by 4.5%. The smart routing feature alone is worth it."

David Martinez
VP Eng at ShopLine

"Handling payouts for 10,000+ gig workers used to be a nightmare. Now it's a single API call. Absolutely game-changing infrastructure."

Priya Patel
Founder, FlexWork

Stop reading. Start integrating.

Create a free sandbox account right now and deploy your first payment intent using our detailed API specs.