Streamline Collections with UPI Payment Gateway

Streamline Collections with UPI Payment Gateway

Streamline Collections with UPI Payment Gateway

Castler's UPI APIs - Static, Dynamic, Intent & QR allow businesses, NBFCs, fintechs, insurers & government institutions to accept payments at scale with automated reconciliation and bank-level compliance.

Castler's UPI APIs - Static, Dynamic, Intent & QR allow businesses, NBFCs, fintechs, insurers & government institutions to accept payments at scale with automated reconciliation and bank-level compliance.

Castler's UPI APIs - Static, Dynamic, Intent & QR allow businesses, NBFCs, fintechs, insurers & government institutions to accept payments at scale with automated reconciliation and bank-level compliance.

Same-Day Settlement – Faster cash flow, no delays

Same-Day Settlement

Faster cash flow, no delays

Multi-Bank Integrations – One gateway, multiple partners

Multi-Bank Integrations

One gateway, multiple partners

Seamless UPI APIs – Static, Dynamic, Intent & QR flows

Seamless UPI APIs

Static, Dynamic, Intent & QR flows

Automated Reconciliation – Error-free & compliance-ready

Automated Reconciliation

Error-free & compliance-ready

Why Enterprises Choose Castler

Why Enterprises Choose Castler

Instant Requests

Route safe collection requests to customer apps.

Same-Day Settlement

Get funds credited the very same day, unlike traditional T+1 cycles.

Unified UPI API

Single API supporting multiple payment flows.

Trusted Payment Gateway

Infrastructure built for compliance-intensive sectors.

Flexible Options

Accept using Static, Dynamic, or QR-based options.

Simplified QR Collections

One-time and recurring with QR Collection API.

Enterprise-Grade Security

PCI DSS, ISO 27001, SOC-2 compliant with fraud detection.

Automated Reconciliation

All transactions monitored in real-time.

Supported Payment Flows

Supported Payment Flows

Static

One-time, fixed QR/VPA for frequent collections (utilities, offline merchants, government challans).

Dynamic

Unique, real-time requests for each transaction (marketplaces, subscriptions).

Dynamic

Unique, real-time requests for each transaction (marketplaces, subscriptions).

Intent

Deep linking that directly opens customer apps for seamless checkout.

Where Castler Adds Value

NBFCs & Lenders

Accelerate EMI collections and loan repayments with secure UPI APIs, same-day settlement, and automated reconciliation. This reduces defaults and improves customer experience.

Accelerate EMI collections and loan repayments with secure UPI APIs, same-day settlement, and automated reconciliation. This reduces defaults and improves customer experience.

Insurance & Mutual Funds

Simplify premium collections and SIP payments through seamless UPI flows. This ensures timely, compliant, and hassle-free recurring transactions on a large scale.

Simplify premium collections

and SIP payments through

seamless UPI flows. This

ensures timely, compliant, and

hassle-free recurring

transactions on a large scale.

Government & PSU Payments

Enable digital-first collections for taxes, challans, and statutory fees using secure UPI QR flows. These flows are streamlined, auditable, and meet regulatory standards.

Enable digital-first collections for taxes, challans, and statutory fees using secure UPI QR flows. These flows are streamlined, auditable, and meet regulatory standards.

Marketplaces & Aggregators

Manage vendor payouts and settlements efficiently with Castler’s dynamic UPI requests, automated reconciliation, and trusted multi-bank integrations.

Manage vendor payouts and settlements efficiently with Castler’s dynamic UPI requests, automated reconciliation, and trusted multi-bank integrations.

Subscriptions

Power in-app and recurring payments instantly through intent-based UPI APIs. This offers a smooth, secure, and compliant billing experience for customers.

Power in-app and recurring payments instantly through intent-based UPI APIs. This offers a smooth, secure, and compliant billing experience for customers.

The Distinct Advantage of Choosing Castler

The Distinct Advantage of Choosing Castler

Same-Day Settlement – The only UPI Payment Gateway to provide funds settlement on the same day, enhancing cash flow and minimizing working capital friction.

Escrow-based trust layer – Guarantees compliance and transparency.

Proven scalability – Millions of API calls per month with enterprise-level uptime.

Multi-bank benefit – 12+ bank integrations for redundancy and success rates.

1,000+ enterprises choose us - Across BFSI, fintech, insurance, and government.

Risk reduction - Fraud protection and compliance-first architecture

Frequently Asked Questions

How rapidly can integration occur?

What is a UPI Payment Gateway and how does it differ from a UPI API?

How does this differ from UPI Autopay or eNACH?

Can Castler manage high-volume enterprise payments?

Which flows do you support?

How secure is Castler’s Payment Gateway?

Who should use Castler’s collection solutions?

What are the distinctions between Static, Dynamic, and Intent?

Does Castler have multi-bank support?

Does Castler offer faster settlements than other UPI API providers?

Why Castler?

Frequently Asked Questions

How does Castler ensure transparency and control over escrow funds?

What is an escrow account and how does it benefit businesses?

Who should use escrow services in an enterprise context?

How is an enterprise escrow account different from a regular escrow account?

What are the benefits of using Castler’s enterprise escrow service?

Is Castler’s escrow account solution compliant with Indian regulations?

Can Castler integrate escrow workflows into my existing enterprise systems?

How long does it take to set up an enterprise escrow account with Castler?

Does Castler support multi-party or milestone-based escrow agreements?

What industries is Castler’s escrow service best suited for?

Frequently Asked Questions

How rapidly can integration occur?

What is a UPI Payment Gateway and how does it differ from a UPI API?

How does this differ from UPI Autopay or eNACH?

Can Castler manage high-volume enterprise payments?

Which flows do you support?

How secure is Castler’s Payment Gateway?

Who should use Castler’s collection solutions?

What are the distinctions between Static, Dynamic, and Intent?

Does Castler have multi-bank support?

Does Castler offer faster settlements than other UPI API providers?

Why Castler?

Get Started with Castler

Get Started with Castler

Simplify collections through a safe UPI Payment Gateway and developer-friendly UPI APIs. Whether Static, Dynamic, Intent, or QR-based flows you require, Castler delivers compliance-first, enterprise-class digital payments.

Simplify collections through a safe UPI Payment Gateway and developer-friendly UPI APIs. Whether Static, Dynamic, Intent, or QR-based flows you require, Castler delivers compliance-first, enterprise-class digital payments.

Get in touch