Enterprise Payment Engine 2.0

The financial API for agile teams.

EienPay routes billions of rupees. Build scalable checkout flows, deploy instantly via robust SDKs, and process payments securely with 99.999% uptime.

PCI-DSS Compliant
Instant Setup

Get your API keys

Enter your email to instantly receive sandbox credentials and start testing our core endpoints.

By generating keys, you agree to our Master Service Agreement.

initialize.ts
import { EienPay } from '@EienPay/node';
const pw = new EienPay(process.env.KEY);

Powering checkout experiences alongside

ShopLine
StackCommerce
OmniPlatform
React Native

The ultimate router.

Unify your incoming collection streams with your outgoing vendor payouts globally on a single dashboard utilizing pure RESTful nodes.

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.

production-logs
~ tail -f /var/log/EienPay/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.
₹100B+
Processed Annually
99.99%
Success Rate
50ms
Avg Latency
10k+
Active Merchants

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.