Thomson Reuters GoSystem API
Modern OAuth2 authentication platform with comprehensive API integration for Thomson Reuters GoSystem services including e-file status, tax return data, and printing services.
1
Auth Code GrantBrowser-based OAuth2 flow with SSO login
- ✓ Interactive SSO authentication
- ✓ PKCE enhanced security
- ✓ Automatic token refresh
- ✓ CSRF protection
2
Client CredentialsMachine-to-machine authentication
- ✓ Service account based
- ✓ No user interaction
- ✓ Secure key management
- ✓ High-throughput operations
3
API IntegrationComplete GoSystem API access
- ✓ E-file status checking
- ✓ Tax return import/export
- ✓ Document printing
- ✓ Real-time monitoring
Choose Authentication Method
Select the OAuth2 flow that matches your integration requirements
AC
Auth Code Grant
Interactive OAuth2 flow with SSO login
Browser-based authentication
PKCE enhanced security
Refresh token support
CSRF protection
Best for web applications requiring user authentication
CC
Client Credentials
Machine-to-machine authentication
Direct API access
No user interaction
Service account based
High-throughput operations
Best for backend services and automated systems
Quick Start Guide
Get started with Thomson Reuters GoSystem API integration
For Interactive Applications
Use Auth Code Grant flow for web applications where users need to authenticate through Thomson Reuters SSO.
- • Redirects to Thomson Reuters login
- • Secure state validation
- • Refresh token support
For Server Applications
Use Client Credentials flow for backend services and automated systems that don't require user interaction.
- • Direct API access
- • Service account based
- • High-performance operations