Access 0x Transaction Data

This guide covers two main approaches for accessing trade data from 0x: Trade Analytics API for historical analysis and 0x-parser for real-time transaction parsing.

Quick Comparison

Feature	Trade Analytics API	0x-parser
Use Case	Historical analysis & business intelligence	Real-time transaction parsing
Data Freshness	~15 min updates, final after 48 hours	Immediate (on-chain)
Data Scope	Comprehensive (volumes, fees, slippage, USD values)	Transaction-specific swap amounts
Implementation	REST API calls	JavaScript library
Reliability	After 48-hour finalization	Direct blockchain data

Trade Analytics API

Best for historical analysis and business intelligence. Provides comprehensive trade data including volumes, fees, and USD values.

Key Points

Updates every ~15 minutes
Data finalized after 48 hours
Includes USD value estimates

0x-parser

Best for real-time transaction data and displaying final swap amounts immediately after settlement.

Key Points

Real-time parsing of on-chain data
Handles AMM slippage calculations
Available as npm package: @0x/0x-parser