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AgentRXI NFT Lookup
x402
AgentRXI NFT Lookup is a paid API for AI agents from agentrxi.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-15).
Looks up NFT collection info and token metadata (owner, name, image, attributes) on Ethereum, Base, Polygon, Arbitrum, or Optimism by contract address and optional token ID.
Price / call$0.003
Success—
StatusUnknown
How this service works
NFT lookup on Ethereum, Base, Polygon, Arbitrum or Optimism: collection name, symbol, standard and supply; with token_id also the current owner and resolved metadata (name, description, image, attributes) from IPFS/Arweave/HTTP.
Output
Returns collection-level fields (name, symbol, token standard, total supply) and, when a token_id is provided, the current owner address plus resolved token metadata including name, description, image URL, and attributes sourced from IPFS, Arweave, or HTTP.
Example use cases
NFT ownership verification
“Can you check who owns token #1234 of the contract 0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB on Ethereum?”
NFT collection discovery
“What's the name, symbol, and token standard for the NFT collection at contract 0x60E4d786628Fea6478F785A6d7e704777c86a7c6 on Ethereum?”
NFT metadata resolution
“Fetch the full metadata for token #7 of contract 0x8a90CAb2b38dba80c64b7734e58Ee1dB38B8992e on Polygon — I need the image URL, description, and any attributes.”
Technical details
Endpoint
GEThttps://agentrxi.com/v1/nft?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need on-chain NFT data — collection metadata or per-token ownership and traits — across multiple EVM chains (Ethereum, Base, Polygon, Arbitrum, Optimism) with automatic IPFS/Arweave metadata resolution included. It is a good fit for agents that need to verify NFT ownership, display token details, or enrich NFT data without maintaining their own blockchain node.
Side effects
- Invalid or non-existent contract address returns an error
- Unsupported chain name returns a validation error
- Token ID not found within the contract returns a not-found error
- IPFS/Arweave metadata unavailable or gateway timeout may cause partial results
- Rate limiting or payment failure returns a 402 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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