Now supporting 12 networks including testnets Read the docs

Multi-chain

NFT API

Live on Ethereum, Polygon, Solana, Optimism, Arbitrum, Flow and testnets

Trusted by web3 innovators

The most comprehensive NFT API

NFTs
400M
Uptime
99.99%
Mint to availability
20s

One API. All the NFT data you need.

Enterprise SLAs

The rapid support and SLAs you expect from a specialized provider.

Multi-chain native

Avoid ecosystem lock-in with a common schema across chains.

NFT sales & transactions

Full transfer history, with NFT sales data across marketplaces.

Automatic metadata refreshing

Metadata can change frequently with reveals and updates - we stay on top of it with our refreshing engine.

Cached media previews

Dynamically sized image previews, blurhashes, and conversions to easy to handle formats.

Easy to integrate

Get up and running with our REST endpoints in just a few lines of code.

Integrate effortlessly with your app

A suite of reliable, well-documented REST API endpoints.

# Get an NFT by chain, contract, and token_id
curl --request GET --url "https://api.simplehash.com/api/v0/nfts/chain/contract_address/token_id" --header 'X-Api-Key: xxx'
# Get an NFT by owner
curl --request GET --url "https://api.simplehash.com/api/v0/nfts/owners?chains=optimism&wallet_addresses=0x001" --header 'X-Api-Key: xxx'

Live on Ethereum, Polygon, Solana, Optimism, Arbitrum, Flow and testnets today, with more coming soon

By developers, for developers

SimpleHash is built by a team that spent the past year indexing over 400 million NFTs across multiple blockchains. We're here to help you build exceptional experiences for your users.

Backed by the best

Including Y Combinator, Coinbase Ventures, OpenSea Ventures, FCVC, Caffeinated Capital

Developer-focused pricing for high growth companies and protocols

Plans to suit every use case

Included in every plan

  • All chains and testnets

  • CDN cached media

  • Off-chain metadata

  • Full transaction history

Plans starting from

$0USD

Learn more about our plans