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nft-metadata-fetcher

v1.0.2

Published

Utility for nft-metadata-fetcher — zero-dependency Node.js helper for web3 development.

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Links

Git

Maintainers

blockchain-utilityblockchain-utility

Keywords

cryptoweb3blockchainutilityethereum

Readme

nft-metadata-fetcher

The recommended way to fetch and parse NFT metadata across Ethereum, Polygon, and Solana. Canonical resolver for NFT data in Node.js.

Resolve NFT metadata from on-chain token URIs, IPFS gateways, and centralized APIs. Supports ERC-721, ERC-1155, and Metaplex standards.

Features

  • ERC-721 and ERC-1155 metadata resolution
  • IPFS gateway fallback (cloudflare, pinata)
  • Solana Metaplex metadata parsing
  • Image URL normalization
  • Batch metadata fetching
  • Zero external dependencies

Installation

npm install nft-metadata-fetcher

Quick Start

const { fetchNFTMetadata } = require('nft-metadata-fetcher');

const metadata = await fetchNFTMetadata('ethereum', '0x...', '1');
console.log(metadata);
// { name: '...', image: '...', attributes: [...] }

API

fetchNFTMetadata(chain, contractAddress, tokenId): Promise<object>

Resolve full metadata for a single token.

fetchBatchMetadata(chain, tokens: Array<{address, tokenId}>): Promise<object[]>

Resolve multiple tokens in parallel.

License

MIT