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US cards:2.9% + USD 0.30/transactionUsage-based
Market / NFT balance, Optimism
External service · publisher supplied metadata
NFT balance, Optimism
Source and listing identity
Source: x402 Bazaar
Listing ID: x402:e75eef2847b8939302fbaba3e22aa4be8fc348547426d03b2f8fb89dd920304d
Topic categories are inferred from listing text. Prices are source declarations; provider terms take precedence.
A registry entry or matching company name does not establish product authorship. Compare record IDs before treating similar titles as one product.
NFT balance, Optimism. How many NFTs of one ERC-721 collection a wallet holds on Optimism (balanceOf), with the collection's name and symbol. Use to check a holder before a token-gated action or to see whether a wallet still holds a collection; for who holds one token id use op_nft_owner. Both inputs are 0x addresses; a missing contract is 404, a contract that is not ERC-721 422, both uncharged.
Listing completeness · 80/100
Presence of published information only. Not a security, reliability or performance score. Same rules for Datoka and external listings.
- Name and traceable source
- 10/10 · Present
- Meaningful description
- 10/10 · Present
- Connection or installation reference
- 20/20 · Present
- Dedicated documentation or source repository
- 0/15 · Missing or insufficient
- Explicit free access or numeric tariff
- 20/20 · Present
- Declared integration protocol
- 10/10 · Present
- Source updated within 90 days
- 10/10 · Present
- Declared capability names
- 0/5 · Missing or insufficient
Evaluated 2026-10-30 · Method listing-completeness-1. Scoring rules
Connect & use
Connect through the publisher’s supported interface. Any credentials or payments are handled by the provider.
x402 resource
https://agent-data-tools.revmesh2074.workers.dev/op/nft-balanceRead the current payment requirements with a compatible client before authorizing a call.
Categories and declared capabilities
Topic categories are derived from publisher text for discovery, not independently verified capabilities.
The registry does not provide a verified tools list. See the observations, when available, for any tools/list check; a published tools list does not establish that execution succeeds.
Evidence, with its limits.
This listing is indexed. Any domain claim or endpoint observation appears separately with its date and limited scope. No payment execution, factual accuracy or safety certification is inferred.
The listing completeness score measures published information only. No safety or performance score has been assigned. A signature, source listing or successful HTTP response does not certify factual accuracy or safety.
How verification states work →Related tools
Similar tasks and categories; compatibility has not been tested.