Search Documentation

Search across all documentation pages, APIs and guides.

Blogs & Resources

Explore our guides, announcements, and deep dives into payments processing and integration.

OnePay Brings Google Pay to Sri Lanka's Grassroots Businesses
July 2026

OnePay Brings Google Pay to Sri Lanka's Grassroots Businesses

OnePay has enabled Google Pay across its Unified Checkout, giving home based sellers and listed companies alike a faster, more familiar way to get paid online.

Sri Lanka Is the World's #1 Trending Wellness Destination
June 2026

Sri Lanka Is the World's #1 Trending Wellness Destination

Sri Lanka was just named the world's top trending wellness destination for 2026. Here is the opportunity, the data, and how to capture it.

OnePay Unified Checkout
June 2026

OnePay Unified Checkout

Sri Lanka's most trusted and convenient payment gateway for modern businesses. One checkout page. Every way your customer wants to pay.

OnePay Orchestration: How Smart Payment Routing Increases Approval Rates
June 2026

OnePay Orchestration: How Smart Payment Routing Increases Approval Rates

OnePay Orchestration connects acquirers, payment methods, banks, fraud tools, and CX tools into one smart routing layer. Higher approval rates, multi-currency acceptance, and automated payouts.

Accept Payments in 11 Currencies. Grow Without Borders.
June 2026

Accept Payments in 11 Currencies. Grow Without Borders.

OnePay is the only payment gateway in Sri Lanka that lets you accept cards in 10 currencies. Learn how it helps travel agents, hotels, and SaaS businesses.

What Is Card-on-File? A Complete Guide for Sri Lankan Merchants
May 2026

What Is Card-on-File? A Complete Guide for Sri Lankan Merchants

Card-on-file lets your customers save their card details once and pay with a single click on every future visit. Learn how it works on OnePay.

How Hotels Can Accept Online Payments
May 2026

How Hotels Can Accept Online Payments

Every unconfirmed booking is a booking you're about to lose. Here's the simple, modern fix for Sri Lankan Hotels & Tour Operators.

"Do Not Honour" Explained: Response Code 05
May 2026

"Do Not Honour" Explained: Response Code 05

A complete guide for Sri Lankan Merchants on what a 'Do Not Honour' card decline means and how to recover the sale.

Onepay Learning Center Basics
May 2025

Onepay Learning Center Basics

Learn how to complete the initial setup, password reset, and merchant portal configuration for Onepay.