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About 0xAPI

0xAPI is organized into several distinct services, each catering to specific data needs with consistent, blockchain-agnostic response schemas.

Core capabilities

FeatureDescriptionUse cases
Token APIRetrieve detailed information on fungible tokens (ex. ERC-20). Fetch wallet balances, token transfers, daily portfolio snapshots, approvals, holder lists, and live token prices.Power wallets, portfolio dashboards, token-gated apps, and analytics tools for on-chain assets.
NFT APIAccess complete NFT data, including all NFTs owned by a wallet or within a collection. Get detailed collection metadata, traits, and rarity statistics.Build NFT galleries, marketplaces, collection analytics, or portfolio trackers.
Transaction APIQuery detailed transaction data. Retrieve all transactions for a wallet, look up a specific transaction by hash, or get a full summary of a wallet’s on-chain activity.Ideal for transaction histories, accounting tools, on-chain analytics, and activity monitoring.
ENS APIResolve ENS domains to wallet addresses or perform reverse lookups to find ENS names linked to a wallet.Build explorers, alert systems, or real-time dashboards that track specific contract interactions.
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