zips-typescript-sdk/CHANGELOG.md

TypeScript SDK for ZIPS Payment Gateway - Complete payment solution for server-side applications

# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [1.1.0] - 2025-08-19

### 🛠️ Development Configuration

### ✨ Changed

- **API Endpoints**: Configured for localhost development environment
  - `merchantApiURL`: Set to `http://localhost:9005/api/v1/`
  - `gatewayApiURL`: Set to `http://localhost:9008/api/v1/`
  - Optimized for local development and testing
  - Enables seamless integration with local ZIPS API servers

### 📚 Documentation

- **Development Focus**: Updated package to reflect localhost configuration
- **Local Testing**: Ideal for developers working with local ZIPS infrastructure

### 🔧 Technical Details

- Maintains all existing functionality from v1.0.0
- No breaking changes to API interfaces
- Same TypeScript support and error handling
- Compatible with local ZIPS merchant and gateway services

This version is specifically configured for developers working with localhost ZIPS API servers during development and testing phases.

## [1.0.0] - 2025-08-18

### 🎉 Initial Release

### ✨ Added

- **Core SDK Architecture**: Complete TypeScript SDK for ZIPS Payment Gateway

  - Modular design with separate modules for payments, transactions, and customers
  - Full TypeScript support with comprehensive type definitions
  - Modern async/await patterns throughout

- **Payments Module**: Complete payment creation functionality

  - `create()` method for initiating payment requests
  - Support for all required payment parameters
  - Comprehensive error handling and validation

- **Transactions Module**: Transaction management capabilities

  - `single()` method for retrieving individual transactions by reference number
  - `all()` method for fetching transaction lists with pagination
  - Full transaction status tracking

- **Type Safety**: Complete TypeScript type definitions

  - `PaymentParams` interface for payment creation
  - `Payment` interface for payment responses
  - `Transaction` interface for transaction data
  - `Order` interface for order details
  - Exported types for external use

- **Base Module**: Robust foundation for all API interactions

  - Axios-based HTTP client with error handling
  - Standardized API key authentication
  - Environment-aware API endpoint configuration
  - Request/response interceptors

- **Error Handling**: Comprehensive error management
  - Meaningful error messages from API responses
  - Network error handling
  - Type-safe error propagation

### 🛠️ Technical Features

- **Dependencies**: Minimal dependency footprint

  - Axios for HTTP requests
  - No unnecessary dependencies
  - Production-ready build

- **Build System**: Modern TypeScript compilation

  - ES2018 target for broad compatibility
  - CommonJS modules for Node.js compatibility
  - Declaration files (.d.ts) generation
  - Source maps for debugging

- **Development Experience**: Developer-friendly features
  - Full IntelliSense support
  - Comprehensive JSDoc comments
  - Type-safe API interfaces
  - Clean, intuitive method names

### 📚 Documentation

- **README**: Comprehensive getting started guide

  - Installation instructions
  - Quick start examples
  - Complete API reference
  - Advanced usage patterns
  - E-commerce integration examples

- **Type Definitions**: Complete TypeScript support
  - All interfaces and types exported
  - JSDoc comments for better IDE experience
  - Type-safe method signatures

### 🌍 Market Focus

- **Gambian Payment Ecosystem**: Optimized for local market

  - GMD currency support
  - Local phone number validation patterns
  - Gambian business workflow integration

- **Server-Side Focus**: Backend/API-first design
  - Node.js optimization
  - Server-side payment processing
  - Webhook-ready architecture

### 🔐 Security & Reliability

- **Authentication**: Secure API key-based authentication

  - Header-based API key transmission
  - Environment variable best practices

- **Error Handling**: Production-ready error management
  - Graceful failure handling
  - Meaningful error messages
  - Network resilience

### 📦 Package Features

- **npm Ready**: Complete npm package configuration

  - Proper entry points (main, types)
  - Optimized file inclusion
  - Semantic versioning
  - MIT license

- **Build Pipeline**: Automated build and publishing
  - TypeScript compilation
  - Declaration file generation
  - Clean distribution builds

This initial release provides a solid foundation for TypeScript/Node.js developers to integrate with the ZIPS Payment Gateway, offering type safety, modern architecture, and comprehensive functionality for payment processing in The Gambian market.