Integration Methodology Hub
Technical guides, API patterns, and implementation frameworks distilled from our integration work across QuickBooks, Sage, Xero, and Zoho Books.
120+
Integration Projects
8
Platforms Supported
12+
Years of Practice
70%
Avg. Time Saved
QuickBooks Integration
Complete guide to QuickBooks Online and Desktop integration using OAuth 2.0, REST APIs, and SDK implementation.
OAuth 2.0
REST API
Web Connector
SDK
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Sage Integration
Sage 50, 100, Intacct, and X3 integration patterns — from legacy COM SDKs to modern Web Services and OAuth.
Sage Intacct
Sage 50 SDK
Web Services
OAuth
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Xero Integration
Xero Accounting, Payroll, and Files API integration with OAuth 2.0, webhooks, and marketplace-ready add-ons.
OAuth 2.0
Accounting API
Payroll API
Webhooks
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Zoho Books Integration
Zoho Books integration methodology with organization-scoped OAuth, REST API, Zoho Flow automation, and VAT/GST compliance.
OAuth 2.0
REST API
Zoho Flow
VAT/GST
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Platform Selection Guide
A decision framework for choosing between QuickBooks, Sage Intacct, Xero, and Zoho Books based on revenue, complexity, and growth.
Decision Matrix
TCO
Roadmap
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