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Essabu Java SDK Wiki

Welcome to the Essabu Java SDK documentation wiki. This SDK provides a unified Java client to interact with all Essabu platform services.

Table of Contents

Getting Started

• Getting Started - Installation, prerequisites, quick start
• Configuration - All configuration options and Spring Boot auto-configuration
• Authentication - API keys, tenant context, token management

Core Concepts

• Pagination - PageRequest, PageResponse, sorting, filtering
• Error Handling - Exception hierarchy, HTTP status mapping, retry behavior
• Webhooks - Receiving and processing webhook events

Module Reference

• HR Module - Employees, contracts, leaves, payroll, shifts, recruitment, performance, training, benefits
• Accounting Module - Chart of accounts, invoices, payments, wallets, journals, quotes, credit notes, inventory, insurance, billing
• Identity Module - Authentication, users, roles, permissions, tenants, companies, branches, API keys
• Trade Module - CRM (customers, contacts, opportunities), sales/purchase orders, products, warehouses, stock, contracts
• Payment Module - Payment intents, transactions, refunds, payouts, subscriptions, lending, KYC
• EInvoice Module - Electronic invoicing, submission, verification, PDF/XML download
• Project Module - Projects, tasks, milestones, resource allocations, reports
• Asset Module - Fixed assets, vehicles, maintenance, fleet management (fuel/trip logs)

Resources

• Examples - Code examples for common use cases
• API Reference (Javadoc)
• GitHub Repository
• Changelog

Quick Links

Module	Client Accessor	Sub-APIs Count
HR	essabu.hr()	20 APIs
Accounting	essabu.accounting()	17 APIs
Identity	essabu.identity()	10 APIs
Trade	essabu.trade()	15 APIs
Payment	essabu.payment()	9 APIs
E-Invoice	essabu.einvoice()	2 APIs
Project	essabu.project()	5 APIs
Asset	essabu.asset()	4 APIs

Requirements

• Java 21+
• Maven 3.8+ or Gradle 8+
• An Essabu API key (obtain from the Essabu Dashboard)