Omise is a name commonly encountered by online stores in Thailand when starting out with payment systems. It helps websites accept payments from customers through multiple channels, including credit cards, debit cards, PromptPay, e-wallets, installment plans, and API connections, offering more customization options than typical off-the-shelf platforms.
What is Omise?
Omise We are a technology provider offering online payment solutions for businesses, enabling stores, websites, applications, and various platforms to accept payments from customers through our Payment Gateway system without having to build their own card acceptance or bank transfer systems from scratch.
Simply put, Omise acts as an intermediary between the "customer who makes a payment" and the "business that receives the payment." The system handles payment processing, transaction verification, transaction confirmation, and back-end transaction data management—a crucial aspect for e-commerce websites and online service systems.
Why does an online store need a payment gateway?
If a website still accepts payments through manual transfers, requiring customers to send their own transfer slips and waiting for an administrator to review each transaction, the business will waste time on back-end operations and have a higher chance of making mistakes. However, when using... Payment Gateway The system allows customers to pay instantly, and the website can automatically change the order status or resume service.
The main function of a Payment Gateway.
- Receive a payment request from the website or app.
- The information is sent for processing with the relevant payment methods.
- The system will notify you of the success, failure, or pending payment status.
- It helps the team review items and process refunds in a systematic way.
What services does Omise offer?
According to information on Omise's website and documentation, their core services aren't limited to just accepting credit cards. They encompass tools for online merchants, large platforms, and development teams that need to integrate specialized payment systems.
1. Accept online payments at checkout.
Omise supports payment methods on the checkout page of websites or apps, such as credit cards, debit cards, PromptPay, mobile banking, wallets, and other channels depending on the country and terms and conditions where the merchant has enabled the service. This is ideal for businesses that want customers to complete payments on the website and reduce the need for manual receipt verification.
2. Payment Links+ for selling through multiple channels.
For businesses that sell through chat, social media, or don't yet have a complex shopping cart system, Payment Links+ helps create payment links to easily send to customers for payment. It's ideal for sales teams closing deals via LINE, Facebook, Instagram, or other chat channels.
3. Dashboard and Transaction Management System
After receiving payment, the team still needs to review the transaction details, check if the payment was successful, process refunds if there are problems, verify balances, and review reports. Omise provides back-end tools for managing transactions, making it easier for the accounting team, admin team, and business owners to see an overview.
4. Diverse payment options.
Omise's documentation lists several supported payment methods, including credit/debit cards, PromptPay, mobile banking, installments, Rabbit LINE Pay, TrueMoney, ShopeePay, GrabPay, Google Pay, Alipay+, WeChat Pay, and others. The actual availability of these methods will depend on the country, account type, and provider approval.
5. Integration for WooCommerce and Shopify
Omise provides documentation for connecting via plugins for built-in platforms such as: WooCommerce and Shopify This is suitable for merchants who want to start accepting payments faster without having to rewrite the entire system. However, proper configuration is still necessary, including test keys, live keys, payment methods, 3D Secure, order status, and transaction testing before actual activation.
6. API for custom systems.
For systems that are not built-in web solutions, such as marketplaces, membership systems, mobile apps, booking systems, course sales systems, CRM, or custom back-end systems, Omise provides APIs and webhooks that development teams can use to integrate the systems, enabling them to automatically create payment lists, receive transaction statuses, issue refunds, or verify data.
7. Payment Orchestration, PayFac and Acquiring
For large businesses or platforms that need to manage payments across multiple countries, channels, or retail stores, Omise also offers platform-level services such as Payment Orchestration, PayFac, and Acquiring, which are suitable for businesses with more complex structures than typical online stores.
What types of businesses are suitable for Omise?
Omise is ideal for businesses that want to seriously implement online payment systems and reduce back-end processes that involve manual verification, especially businesses where customers expect a fast, secure checkout page with familiar payment options.
Examples of businesses that can apply this practice.
- Online shopping websites and e-commerce stores.
- Service businesses that require deposits or booking fees.
- Online course sales system, membership system, or subscription.
- A marketplace is a platform with multiple sellers.
- Mobile apps that accept payments via cards, wallets, or QR codes.
- Organizations that need to integrate their accounting, CRM, ERP, or internal systems.
If you're running an e-commerce website, you should think about this from the beginning.
A payment gateway is not something to be hastily added later, as it relates to the order flow, reliability, taxes, invoices, refunds, and customer experience. If you are setting up a system, consider implementing a payment gateway first. E-Commerce The payment flow should be designed in conjunction with the product system, shopping cart, members, and backend from the outset.
Creative Plus One Company provides document submission and Omise installation services.
Many businesses want to accept online payments but face obstacles such as documentation issues, failed applications, uncertainties with settings, or uncertainty about integrating with WooCommerce, Shopify, or other backend systems. We help guide you through the entire process, from checking readiness and submitting documents to installation, testing, and delivering a fully functional system.
Prepare the documents to apply for a Payment Gateway.
Check the readiness of the website, company information, bank account details, terms of service, refund policy, shipping information, and supporting application details to ensure they are all compiled into a single document.
Set up your account and payment methods.
Please help me go through the steps for testing the test key, live key, approved channel, 3D Secure, webhook, and workflow before launching live.
Test and deliver the system.
Test the payment process, order status, email notifications, refunds, and the backend system's subsequent actions after successful payment.
Install Omise on WooCommerce and Shopify.
If the store is using a ready-made platform, installing via a plugin or app can help start receiving payments faster than writing a whole new system. However, it still needs to be configured correctly for the live store, especially regarding payment methods, order status, and testing before shutting down in test mode.
WooCommerce
For WordPress online stores.
- Install and configure Omise Gateway.
- Enter the correct Test key and Live key for the appropriate environment.
- Open payment options including credit card, PromptPay, installment plans, or wallet, depending on your approved account.
- Check order status, email, cache, and checkout conflicts.
Shopify
For brands that want to checkout and start selling.
- Install the Omise app and connect it to Shopify Admin.
- Set up payment methods that are approved by the store.
- Test the checkout flow on mobile and desktop.
- Check the store's return status after payment and order status.
API development service for integrating various payment systems.
Some projects require more than just plugins, such as membership systems, booking systems, course systems, marketplaces, CRM, or custom back-end systems. For these types of projects, the API needs to be designed to match the actual business logic, not just to enable payments and be done with it.
We help design the workflow from creating payment requests, receiving webhooks, updating order status, granting member access, sending emails, issuing invoices, to double-checking when the payment status is unclear.
Webhook
Receive events from Omise to automatically update order status or enable benefits.
Order Flow
Design a payment flow for successful, unsuccessful, pending, refund, or rescheduled payments so the system can handle it correctly.
System Integration
Integrate with CRM, ERP, Dashboard, Google Sheets, accounting systems, or your business's specific back-end systems.
API payments should be designed from a business flow perspective, not just to enable payment functionality.
A good API connection requires consideration of what the system will do after a successful payment, who to notify if a payment fails, how to handle duplicate customer payments, and how to verify if the webhook is delayed or interrupted. (Article) What is an API? What are its benefits for e-commerce? This explanation provides additional basic information for business owners who want to understand it before implementing the system.
Checklist before starting Omise installation.
I want to get my Omise online payment system ready for live use.
Talk to the Creative Plus One team. We help with everything from website readiness and payment gateway application documentation to installation on WooCommerce or Shopify, and even writing APIs to integrate your payment system with your business, ensuring it works seamlessly after customer payments.
