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NFT infrastructure & querying

Live on Ethereum, Polygon, Solana, Optimism and Arbitrum.

One API. All the NFT data you need.


NFT activity is moving across chain to Ethereum L2s and other L1s. SimpleHash is building plug and play, standardized NFT compatibility across chains.

Accurate Owner & Transaction Info

Figuring out the transaction history of an NFT can be tricky. And the owners change, making it hard to keep track. With the SimpleHash API, you can easily query and get back detailed metadata.

Standardized Metadata

NFT data have many edgecases. We take care of that and serve up the metadata in a standardized, easy to consume format.

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 and Arbitrum today, with more chains coming soon

By developers, for developers

SimpleHash is built by a team that spent the past year indexing over 200 million NFTs across multiple blockchains. We're here to help you build exceptional experiences for your users.

Backed by the best

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