Skip to main content
Code once.
Access all Open Banking in Vietnam.
The Cas SDK is a unified standard for Banking APIs, providing secure and compliant connections to banks, adhering to personal data protection regulations.
Start now
Get 20,000 USD credit
Banks in Vietnam
Technology behind new & breakthrough solutions
CASSO LogoMoney Lover LogoPayOS LogoDOTB LogoCASSO Logofmarket Logofola Logo
Supporting customers across many industries
Money Lover
Money Lover

Automatic bank transaction synchronization with Money Lover

Money Lover uses the Cas /transactions API to provide fast and secure personal finance management.

Read the story
DotB
DotB

Convenient, accurate payments with automatic transaction updates

DotB uses the Cas QR Pay API to make online payments convenient and secure.

Read the story
FEATURES
Seamless user experience
Cas Link makes it easy for users to grant their financial accounts to you safely, quickly and seamlessly, everything right on your product interface
Cas Link PayOS

Seamless

Users interact directly on your application or website.

Security & Safety

We practice user data protection according to banking standards.

Consistency

Various APIs from numerous financial organizations and banks are built to a unified and simplified standard.

Do it quickly!
But it must be done right by the law!

The Cas model was designed from the outset to meet the requirements for protecting user data according to Decree 13 on Personal Data Protection.

Cas Mobile

We have developed a mobile application that allows data subjects to control and enforce their data rights

Supporting developers in implementation.

We provide developers with a checklist of requirements and conduct joint inspections and app testing before deployment.

Partnering in risk management

We monitor new legal regulations and emerging market risks to help developers stay updated and secure against legal risks.

Building the future of financial services

Our API products focus on the most practical use cases across financial technology. The APIs complement each other to help developers achieve their goals quickly.

Payments

2 APIs

Virtual Account

Create a virtual account

QR Pay

Generate payment QR code

Identity verification

1 API

EKYC

Verify user identity

Analytics & Reporting

3 APIs

Transactions

Transaction history

Balance Hook

Balance updates

E Invoice

Create tax invoices

Money transfers

1 API

Pay Out

Initiate money transfers

News

Latest articles

View all

Một Fintech từ Úc chọn Casso để hoàn thiện trải nghiệm quản lý chi tiêu bằng AI

Rolly, ứng dụng quản lý tài chính cá nhân bằng AI đến từ Úc, đã lựa chọn CAS - hạ tầng công nghệ Open Banking của Casso để tích hợp tính năng kết nối ngân hàng tại Việt Nam. Chính thức vận hành từ đầu tháng 10/2026, giải pháp giúp người dùng tự động đồng bộ giao dịch ngân hàng vào ứng dụng, giảm việc ghi chép thủ công.

Read more