0xAPI (Beta)
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API Reference2/5

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0xAPI provides a comprehensive suite of multichain data APIs and development tools designed to simplify Web3 integration across more than 20 blockchain networks.
BlocksEventsNFTsTokensTransactions
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GET
Get Events

Fetches a paginated list of smart contract event logs. Can be filtered by contract address and event signatures (topic0).
v2/{chain_name}/events
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GET
Lookup Token

Fetches detailed metadata for a specific fungible token contract, including its name, symbol, decimals, and standard.
v2/{chain_name}/tokens/{token_address}
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GET
Get Token Holders

Returns a paginated list of all addresses holding a specific token, along with their balances.
v2/{chain_name}/tokens/{token_address}/holders
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GET
Get Wallet Balances

Retrieves a paginated list of token balances for a specific wallet address. This can include both fungible tokens like ERC-20 tokens and native currency and non-fungible tokens like ERC-721 and ERC-1155. For non-fungible tokens, each token is grouped under its collection contract address.
v2/{chain_name}/wallets/{wallet_address}/balances
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GET
Get Wallet Daily Portfolio

Provides a day-by-day historical overview of a wallet's token holdings and their values. Useful for tracking portfolio changes over time.
v2/{chain_name}/wallets/{wallet_address}/portfolio/daily
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GET
Get Wallet Transfers

Fetches a paginated list of all incoming and outgoing token transfers (e.g., ERC-20, ERC-721, ERC-1155) for a given wallet address.
v2/{chain_name}/wallets/{wallet_address}/transfers
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