Introduction to OKX NFT Marketplace API

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The OKX NFT Marketplace is a cutting-edge, decentralized NFT aggregation platform designed for developers and users who want seamless access to multi-chain NFT ecosystems. As a one-stop Web3 solution, it supports NFT creation across multiple blockchains and enables cross-platform trading with real-time on-chain data. Whether you're an artist launching your first collection or a developer integrating NFT functionality into your dApp, OKX provides the infrastructure and tools needed for efficient, low-cost, and highly liquid NFT transactions.

What Is the OKX NFT Aggregator?

The OKX NFT Marketplace acts as a powerful NFT aggregator, pulling order book depth and listing data from leading marketplaces such as OpenSea, Magic Eden, LooksRare, Immutable X (IMX), and X2Y2. This unified data stream ensures users and developers receive up-to-date pricing, availability, and transaction insights across platforms.

👉 Discover how real-time NFT data aggregation can boost your dApp’s performance.

By consolidating liquidity from major marketplaces, OKX enhances price discovery and trading efficiency. Users can list their NFTs simultaneously across multiple supported platforms—including OKX NFT, OpenSea, LooksRare, and Magic Eden—with minimal effort, maximizing exposure and sale potential.

Multi-Chain Support for Global Accessibility

OKX NFT Marketplace supports a wide range of blockchain networks, including:

This extensive multi-chain compatibility ensures global accessibility and flexibility for creators and collectors alike. With plans to expand support to even more chains, OKX continues to lead in building a truly interoperable NFT ecosystem.

Primary and Secondary Marketplaces Explained

Issuance Marketplace – Launch High-Quality NFT Projects

The Issuance Marketplace is OKX’s exclusive primary launchpad for premium NFT projects. It offers a fully decentralized environment where creators can mint and distribute NFTs directly to early adopters. Users benefit from lower entry prices and the ability to secure rare digital assets at launch.

This model empowers artists, brands, and communities to launch with confidence, backed by OKX’s robust infrastructure and user base.

Secondary Marketplace – Trade with Maximum Liquidity

The Secondary Marketplace facilitates peer-to-peer NFT trading with advanced features designed to optimize price discovery and transaction speed. Built for high liquidity and low fees, it allows both buyers and sellers to find the best possible deals in real time.

With integrated offer systems, instant royalty payouts, and cross-market visibility, the secondary marketplace delivers a seamless trading experience that meets the demands of today’s dynamic NFT economy.

Contract Architecture Overview

OKX’s smart contract architecture is engineered for security, efficiency, and scalability across EVM-compatible chains and Solana.

Key Features by Chain Type

EVM-Compatible Contracts Support:

Solana Contracts Support:

These features ensure creators are fairly compensated while enabling powerful trading mechanics for users.

How the Contracts Work Together

User Authorization Flow

To engage with the secondary market:

  1. Users approve the OKX union approve contract to manage their tokens (excluding native token transactions).
  2. They then interact with the OKX Aggregator contract interface to place bids or list NFTs.

This streamlined process minimizes gas costs and improves user experience across chains.

Aggregation Through Adapter Design

OKX uses a modular Adapter system to connect with external marketplaces:

For example, when a user lists an NFT on OpenSea through OKX, the request flows:
User → OKX Aggregator → OpenSea Adapter → OpenSea Marketplace

This architecture ensures secure, transparent, and efficient interoperability.

Getting Started with OKX NFT Marketplace

Ready to dive in? Here’s how to begin:

  1. Visit the NFT Market to explore trending collections.
  2. Browse or search for NFTs to buy or bid on.
  3. Check your profile to view owned assets and manage listings.
  4. Artists: Create your own NFTs using the Create NFT page—supporting multiple file types and flexible pricing models.

Developers can integrate directly using the Web3 API documentation to build custom marketplaces, analytics dashboards, or minting platforms.

👉 Start building with live NFT APIs and unlock powerful Web3 capabilities.

Deployed Contract Addresses

All contracts are publicly verifiable and deployed across major networks.

OKX NFT Aggregator Contract

Used for cross-marketplace aggregation and routing.

OKX Self-Operated Marketplace Contract

Handles direct trading on the OKX platform.

Always verify contract addresses on official channels before integration or interaction.

Frequently Asked Questions (FAQ)

Q: What is an NFT aggregator?
A: An NFT aggregator pulls listing and order book data from multiple marketplaces into one interface, improving price discovery and liquidity. OKX aggregates data from OpenSea, Magic Eden, LooksRare, IMX, and X2Y2.

Q: Which blockchains does OKX NFT Marketplace support?
A: Supported chains include Ethereum, BSC, Polygon, Arbitrum, Optimism, zkSync Era, Solana, Aptos, OKTC, Avalanche-C, Klaytn, Base, Linea, opBNB, and Polygon zkEVM—with more coming soon.

Q: Can I list my NFT on multiple platforms at once?
A: Yes! Through OKX’s unified interface, you can list on OKX NFT, OpenSea, LooksRare, and Magic Eden simultaneously—maximizing visibility and sales chances.

Q: How are creators paid royalties?
A: Royalties are distributed instantly upon sale via ERC-2981 compliance on EVM chains. Solana contracts also support immediate royalty transfers.

Q: Is there an API for developers?
A: Yes. The OKX Web3 API provides real-time NFT data, transaction endpoints, and marketplace integration tools. Ideal for dApps, analytics tools, or custom storefronts.

Q: Do I need to pay gas fees to list my NFT?
A: Yes, standard blockchain gas fees apply when listing or transferring NFTs. However, batch operations help reduce overall costs.

With its robust infrastructure, multi-chain reach, and developer-first approach, the OKX NFT Marketplace API stands out as a premier choice for next-generation Web3 applications. Whether you’re launching digital art or building decentralized marketplaces, OKX delivers the tools to succeed in the evolving NFT landscape.