Understanding the intricacies of non-fungible tokens (NFTs) requires access to reliable, real-time data. Whether you're building a marketplace, conducting due diligence on digital assets, or integrating NFT functionality into your application, retrieving accurate NFT metadata is essential. The OKX Web3 API offers a powerful and straightforward solution through its Retrieve NFT Details endpoint, enabling developers to access comprehensive token, collection, and contract information with a single request.
This guide walks you through the full capabilities of the GET /api/v5/mktplace/nft/asset/detail endpoint, including required parameters, response structure, and practical use cases. We'll also highlight how this tool fits into broader Web3 development workflows.
How to Retrieve NFT Details via API
The OKX Marketplace API allows developers to fetch detailed information about any NFT by providing three key identifiers: blockchain network, contract address, and token ID. This ensures precise targeting of individual digital assets across supported chains.
Endpoint Overview
GET https://web3.okx.com/api/v5/mktplace/nft/asset/detailThis RESTful endpoint returns structured JSON data containing the NFT’s core attributes, visual assets, metadata links, and associated collection and contract details — all in one response.
👉 Discover how easy it is to integrate NFT data into your app using OKX Web3 tools.
Required Request Parameters
To successfully query an NFT, include the following parameters in your request:
chain(String, required)
The blockchain network where the NFT resides. Supported chains include Ethereum, Polygon, Bitcoin (via BRC-20), Solana, and others. For a complete list, refer to the Supported Blockchains documentation.contractAddress(String, required)
The smart contract address of the NFT collection. This must be a valid, checksummed address (e.g.,0x1a2b3c...).tokenId(String, required)
The unique identifier of the NFT within its collection. This can be numeric (e.g.,721) or alphanumeric depending on the standard.
These parameters ensure accurate retrieval of token data across decentralized networks.
Understanding the Response Structure
Upon a successful request, the API returns a rich JSON object containing multiple layers of NFT-related data.
Core Token Information
name(String)
The display name of the NFT (e.g., "CryptoKitty #456").tokenId(String)
Confirms the token ID used in the query.tokenUri(String)
The URI pointing to the NFT’s metadata file (typically hosted on IPFS or Arweave). This contains attributes like rarity, traits, and descriptions.
Visual Assets & Media URLs
OKX provides cached versions of media for faster loading and reliability:
image(String)
Full-resolution image URL (cached).imagePreviewUrl(String)
Medium-quality preview image.imageThumbnailUrl(String)
Small thumbnail for lists or galleries.animationUrl(String)
URL to animated content (e.g., MP4, GIF) if applicable.
These URLs are especially useful for front-end rendering without relying on external or slow-loading sources.
Metadata & Attributes
attributes(Object)
A structured list of traits that define the NFT’s characteristics (e.g., background color, clothing, accessories). Each attribute includestrait_typeandvalue, making it ideal for filtering or rarity scoring in marketplaces.
👉 See how you can power dynamic NFT galleries with real-time metadata fetching.
Collection and Contract Data
Beyond individual tokens, the API delivers contextual data about the broader ecosystem the NFT belongs to.
assetContracts Object
Contains details about the smart contract governing the NFT:
- Contract address
- Chain identifier
- Contract type (e.g., ERC-721, ERC-1155)
- Creation timestamp
This helps verify authenticity and supports compliance checks.
collection Object
Provides metadata about the NFT collection:
- Collection name
- Description
- Verified status
- Total supply
- Floor price (if available)
- Official website and social links (when indexed)
This contextual layer enhances user trust and enables richer UI experiences in dApps and marketplaces.
Practical Use Cases
1. NFT Marketplace Development
Build responsive marketplaces that dynamically load high-quality images, animations, and trait data without latency issues thanks to OKX’s caching infrastructure.
2. Wallet Integration
Enhance crypto wallets by displaying detailed previews of held NFTs — including thumbnails and attributes — improving user experience.
3. Analytics & Research Tools
Leverage standardized attribute models to analyze rarity distributions, track provenance, or identify emerging trends in specific collections.
4. Verification & Anti-Fraud Systems
Cross-reference contract details and verified collection data to detect counterfeit NFTs or phishing attempts.
Frequently Asked Questions (FAQ)
Q: Which blockchains are supported by this API?
A: The OKX Web3 API supports major networks including Ethereum, Polygon, Solana, Bitcoin (BRC-20), OKC, and more. Check the official documentation for the latest list of supported chains.
Q: Are the image URLs permanent?
A: While OKX caches media for performance, we recommend using them for display purposes only. For long-term storage, consider pinning original assets from the tokenUri.
Q: Can I retrieve metadata for multiple NFTs at once?
A: This endpoint supports single-token queries. For bulk operations, consider batching requests or exploring OKX’s collection-level endpoints.
Q: Is authentication required to use this API?
A: Public endpoints like this one do not require API keys for basic access. However, authenticated calls may offer higher rate limits or additional features.
Q: How often is NFT data updated?
A: Metadata and media are cached upon first request and refreshed periodically. Real-time changes on-chain may take a short time to reflect.
Why Choose OKX Web3 APIs?
OKX delivers enterprise-grade reliability with low-latency responses and robust infrastructure. By abstracting complex blockchain interactions, their Web3 APIs empower developers to focus on innovation rather than node management or metadata parsing.
Whether you're launching an NFT platform or enhancing an existing dApp, leveraging a trusted provider ensures scalability, accuracy, and speed.
👉 Start integrating real-time NFT data today — no keys needed to begin.
Final Thoughts
Accessing detailed NFT information should be simple, fast, and consistent — and the OKX Retrieve NFT Details API delivers exactly that. With comprehensive metadata, cached media assets, and rich contextual data about collections and contracts, developers have everything they need to build powerful Web3 applications.
By combining ease of use with deep functionality, this endpoint sets a strong foundation for next-generation digital asset experiences.
Core Keywords: NFT API, retrieve NFT details, Web3 API, NFT metadata, blockchain developer tools, NFT marketplace API, OKX Web3, NFT attributes