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Phantom API — SEI NFT Metadata Lookup
x402
Phantom API — SEI NFT Metadata Lookup is a paid API for AI agents from phantom-api-omega.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-20).
Fetches NFT metadata for a given token ID and contract address on the SEI blockchain network
Price / call$0.01
Success—
StatusUnknown
How this service works
Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 57+ networks. Pay-per-call via x402.
Output
Returns the on-chain NFT metadata associated with the specified token ID and contract address on the SEI network, typically including fields such as the token name, description, image URL, and a list of trait/attribute key-value pairs as defined in the NFT's metadata standard.
Example use cases
NFT portfolio trait inspection
“I just bought token ID 88 from the SEI NFT contract at sei1qp832nkv... — can you pull its full metadata so I can see what traits and rarity attributes it has?”
NFT marketplace listing enrichment
“I'm listing token ID 312 from contract sei1abc456... on a marketplace and need the official on-chain metadata like name, image URL, and attributes to fill out the listing.”
SEI NFT collection floor analysis prep
“Grab the metadata for token ID 1 from the SEI contract sei1xyz789... so I can start comparing attributes across the collection for a rarity ranking tool.”
Technical details
Endpoint
POSThttps://phantom-api-omega.vercel.app/api/sei/nft/metadata?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to retrieve NFT metadata specifically on the SEI blockchain and want pay-per-call access without a subscription. It is best suited for spot lookups of individual tokens by contract address and token ID. Prefer this over general-purpose NFT APIs when your use case is SEI-native and you want lightweight, low-cost, on-demand resolution rather than bulk indexing.
Side effects
- Invalid or nonexistent contract address returns an error or empty response
- Token ID not found on the specified contract returns a not-found error
- SEI network connectivity issues cause timeout or service unavailability
- Malformed input (wrong type for tokenId or contractAddress) returns a validation error
- NFT metadata hosted off-chain (e.g. IPFS) may be unresolvable if the gateway is down
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| tokenId | string | |
| contractAddress | string |
Tags
x402
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