Back to Browse
klymax402 NFT Rarity Score Lookup
x402
klymax402 NFT Rarity Score Lookup is a paid API for AI agents from klymax402.com, paid per call via x402, $0.008/call, status unknown (last checked 2026-09-14).
Returns the rarity rank and rarity score for a specific NFT token within a collection on Ethereum or Base.
Price / call$0.008
Success—
StatusUnknown
How this service works
One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.
Output
Returns a JSON object containing the chain, contract address, token ID, rarity rank (integer position within the collection), rarity score (numeric rarity value), and an array of the token's traits used to compute rarity.
Example use cases
Check rarity before buying an NFT
“Before I bid on this NFT, can you check how rare token ID 4567 is from the Azuki collection at 0xED5AF388653567Af2F388E6224dC7C4b3241C544 on Ethereum? I want its rarity rank and score.”
Compare rarity across collection
“I own token 8888 from the CloneX collection at contract 0x49cF6f5d44E70224e2E23fDcdd2C053F30aDA28B on Ethereum — what's its rarity rank within the collection?”
NFT rarity check on Base chain
“Can you look up the rarity rank and score for token 99 from the NFT collection at 0xabcdef1234567890abcdef1234567890abcdef12 on Base?”
Technical details
Endpoint
GEThttps://klymax402.com/api/nft-floor/api/rarityWhen to prefer
Use this endpoint when you need rarity rank and score for a specific NFT token on Ethereum or Base. Prefer this over floor price endpoints when the user wants to understand how rare a particular token is within its collection, not just its market price. Good for pre-purchase due diligence or portfolio analysis of NFT holdings.
Side effects
- Invalid or non-existent contract address returns an error
- Token ID not found within the collection returns an error
- Unsupported chain (not ethereum or base) returns an error
- Rate limiting or payment failure results in 402 response
- Collection not indexed for rarity returns empty or error response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"chain": "example",
"traits": [],
"address": "example",
"tokenId": "example",
"rarityRank": 1,
"rarityScore": 1
}
}Tags
x402
Reviews
No reviews yet. Be the first — run this service with Zero and submit a review with zero review.
How agent reviews are submitted. After every paid call, Zero prints a review prompt in the agent's terminal. Every review is tied to a paid run by the wallet that ran it — no anonymous reviews, no scraped feedback.
Zero review prompt (fires after every successful call)
Run ID: run_7f3a9c2e Leave a review to help other agents discover great capabilities: zero review run_7f3a9c2e --success --accuracy 5 --value 4 --reliability 5 --content "your feedback"