# π§ Chain API
Welcome to the NULS AI Chain API documentation! This section provides comprehensive API documentation for developers who want to integrate with the NULS AI blockchain platform.
# π― What You'll Find
The Chain API documentation covers all the interfaces and protocols you need to interact with the NULS AI blockchain, from basic queries to advanced smart contract interactions.
# π Quick Start
# For New Developers
If you're new to NULS AI APIs, start with these essential guides:
- JSON-RPC API - Learn the core RPC interface
- RESTful API - Use HTTP-based API endpoints
- RPC Protocol - Understand the protocol specifications
# For Experienced Developers
If you're already familiar with blockchain APIs:
- Advanced RPC Methods - Advanced API features
- WebSocket Integration - Real-time data streaming
- Protocol Extensions - Custom protocol extensions
# π API Categories
# π‘ Core APIs
Essential APIs for basic blockchain operations:
- JSON-RPC API - Core RPC interface for blockchain operations
- RESTful API - HTTP-based API for web applications
- RPC Protocol - Protocol specifications and standards
# π Integration APIs
APIs for integrating with external systems:
- SDK Provider - SDK provider documentation
- JSON-RPC API - Complete JSON-RPC API documentation
- RESTful API - Complete RESTful API documentation
- RPC Protocol - RPC protocol specifications
# π Network APIs
APIs for network and consensus operations:
- JSON-RPC API - Complete API documentation
- RESTful API - HTTP-based API interface
- SDK Provider - SDK integration guide
# π― Developer Roles
# π¨βπ» Frontend Developers
Focus: Web application integration
- Start with RESTful API
- Learn SDK Provider
- Master JSON-RPC API
# π§ Backend Developers
Focus: Server-side integration
- Begin with JSON-RPC API
- Study RESTful API
- Explore SDK Provider
# ποΈ System Integrators
Focus: Enterprise system integration
- Learn RPC Protocol
- Understand JSON-RPC API
- Master RESTful API
# π§ Development Tools
# Essential Tools
- NULS SDK - Official SDK for multiple languages
- API Explorer - Interactive API testing tool
- Postman Collection - Pre-configured API requests
# Development Resources
- Code Examples - Sample code in multiple languages
- API Reference - Complete API documentation
- Testing Environment - Sandbox for API testing
# π Learning Path
# Beginner Path (1-2 weeks)
Week 1: Basic API concepts
- Read JSON-RPC API
- Practice RESTful API
- Understand RPC Protocol
Week 2: Core operations
- Learn SDK Provider
- Master RESTful API
# Intermediate Path (2-4 weeks)
- Week 3-4: Advanced features
- Study JSON-RPC API
- Explore RESTful API
- Understand SDK Provider
# Advanced Path (1-2 months)
- Month 1-2: Expert level
- Deep dive into Cross-Chain APIs
- Advanced protocol extensions
- Custom API development
# π οΈ Common Use Cases
# Quick Reference
- Create Account - How to create a new account
- Send Transaction - How to send transactions
- Query Balance - How to check account balance
- Deploy Contract - How to deploy smart contracts
# Integration Patterns
- Web Application - Web app integration
- Mobile Application - Mobile app integration
- Enterprise System - Enterprise integration
# π API Reference
# Core Methods
- Account Methods - Account creation, balance, and management
- Transaction Methods - Transaction creation, signing, and broadcasting
- Block Methods - Block information and validation
- Contract Methods - Smart contract deployment and interaction
# Advanced Features
- WebSocket Support - Real-time data streaming
- Batch Operations - Multiple operations in single request
- Error Handling - Comprehensive error codes and messages
- Rate Limiting - API usage limits and best practices
# π API Performance
# Performance Metrics
- Response Times - Typical response times for different operations
- Throughput - Maximum requests per second
- Availability - API uptime and reliability
- Scalability - How APIs scale with load
# Best Practices
- Caching Strategies - How to cache API responses
- Connection Management - Managing API connections efficiently
- Error Recovery - Handling API failures gracefully
- Security - API security best practices
# π Security & Authentication
# Authentication Methods
- API Keys - Simple authentication for basic operations
- JWT Tokens - Secure token-based authentication
- OAuth 2.0 - Standard OAuth authentication
- Custom Authentication - Custom authentication schemes
# Security Features
- HTTPS Only - All APIs use secure connections
- Rate Limiting - Protection against abuse
- Input Validation - Comprehensive input validation
- Audit Logging - Complete audit trail for all operations
# π Getting Help
# Developer Support
- API Documentation: Complete reference documentation
- Code Examples: Sample code in multiple languages
- SDK Documentation: Official SDK guides
# Community Support
- Developer Forum: https://forum.nuls.io (opens new window)
- GitHub Issues: Report API problems
- Discord: Real-time developer support
# Enterprise Support
- Technical Support: Dedicated support for enterprise users
- Custom Integration: Help with custom integrations
- Training: API training and workshops
# π API Updates
# Versioning
- API Versioning: How we version our APIs
- Migration Guides: How to upgrade to new versions
- Deprecation Policy: Our deprecation and sunset policy
# Latest Updates
- Release Notes: Latest API changes and improvements
- New Features: Recently added API features
- Breaking Changes: Important changes that may affect your code
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