GoldRush API

GoldRush API - Multi-Chain Blockchain Data API

Product Overview

GoldRush API (formerly Covalent Unified API) is an industry-leading blockchain data solution providing developers with comprehensive multichain data for dApps and analytics. The API delivers enriched blockchain data from 100+ blockchains through a unified interface, eliminating the need to manage separate integrations for each chain.

Core Product Features

Balance Endpoints

Token Balances: Fetch native, ERC20, and NFT (ERC721/ERC1155) token balances for any address with spot prices and metadata.

Historical Balances: Track balance changes over time for portfolio analysis and accounting.

Portfolio Value: Calculated portfolio values with real-time pricing.

Transaction Data

Transaction History: Complete transaction history for any address with decoded data.

Transaction Details: Detailed transaction information including gas usage, status, and log events.

Token Transfers: ERC20, ERC721, and ERC1155 transfer events with full metadata.

NFT Data

NFT Metadata: Token metadata, attributes, and collection information.

NFT Thumbnails: Enhanced NFT thumbnails and asset previews.

Ownership History: NFT ownership changes and transfer history.

Contract Data

Event Logs: Decoded contract event logs for any smart contract.

Contract Metadata: Contract ABI and verification status.

Block Data: Block-level information and real-time gas prices.

Technical Specifications

Refresh Rate: Real-time (30s / 2 blocks) and batch (30m / 40 blocks) options.

API Format: RESTful API with JSON responses.

Authentication: API key authentication with tiered rate limits.

Key Product Differentiators

100+ Chain Coverage: Single API covers more blockchains than any competitor.

Enriched Data: Pre-processed, indexed data ready for application use.

Unified Format: Consistent data format across all chains simplifies development.

Ideal Use Cases

• Wallet applications displaying multi-chain balances
• Portfolio trackers aggregating holdings
• DeFi applications requiring transaction data
• NFT platforms displaying collections
• Analytics dashboards monitoring on-chain activity