With nearly 14 million crypto enthusiasts engaged in 2023 and daily transactions from around 10,000 wallets, the NFT space is on an impressive trajectory, projected to soar to an $80 billion valuation by 2025. As artists, creators, and developers venture into this exciting new frontier, the demand for accessible and reliable tools to navigate the NFT space has skyrocketed.

APIs are crucial in the NFT space due to their ability to provide real-time market data, making it easier for developers, artists, and creators to interact with the blockchain. By facilitating integration, scalability, and security, APIs help democratize access to the NFT market and enable a wider range of applications and platforms to efficiently participate in this digital economy.

Whether you’re a seasoned developer looking to integrate NFT functionalities into your applications, or a curious explorer eager to dive into the world of digital art and collectibles, these 10 free NFT APIs provide a starting point for you.

Bitquery’s NFT API provides data for NFT collections, including metadata, floor prices, ownership, holders, marketplace trades, transfers, and transactions. It also supports APIs for NFT marketplaces such as OpenSea and Blur on Ethereum, Polygon, Arbitrum, Solana and over 40 other blockchains. Popular NFT APIs offered by Bitquery include:

1. NFT Transfers API: This API provides access to NFT transfer data across supported blockchains, offering features such as daily transfer tracking, monitoring of top NFT transfers, identifying the latest specific NFT movements, and subscribing to real-time transfer notifications for instant updates.
2. NFT Calls API: This API enables the retrieval of information on smart contract transactions, covering details like the contract function that was called, input and output parameters, and more.
3. NFT Collection API: This API aggregates data from various NFT platforms, artists, and collections into a single source, providing users with a comprehensive market overview. It offers real-time updates and seamless integration capabilities for developers, ensuring platforms display the latest NFT data.
4. NFT Trades API: This API grants access to data on different NFT DEX trades across Solana, Ethereum,BNB and more.
5. NFT Holders API: This API is used to obtain information about the top holders of an NFT.
6. NFT Ownership API: This API is utilized to retrieve information regarding the ownership of a specific NFT on the supported blockchain. This allows access to details about the owners of an NFT, including their addresses and any associated metadata.

For less tech-savvy users, it’s possible to directly paste a contract address into Bitquery Explorer to uncover more details about their favorite NFTs and NFT collections. In the query below, users can discover all the latest details about the CryptoKitties NFT Collection.

Readers can use Bitquery explorer to see each and every detail regarding a NFT transaction in a simple manner. Below is the example where users can see all the Latest CryptoKitties Transactions data. Get started for free with a developer account.

The Alchemy NFT API enables developers to build any NFT application imaginable with just a few lines of code, creating a seamless NFT experience. Alchemy integrates powerful web3 developer products and tools, offering resources, a community, and legendary support to ensure the success of your projects. Alchemy is committed to expanding its support for as many blockchains and NFT standards as possible, with current support for Ethereum, Polygon (Matic), Arbitrum, Optimism, Base, and Starknet. This multi-chain API simplifies the processes of launching, verifying, analyzing, trading, and displaying NFTs, making it faster, easier, and free for developers.

The OpenSea API offers developers a robust suite of tools for integrating NFT functionalities and marketplace data into applications, supporting ERC721 and ERC1155 standards, including for early tokens like CryptoPunks and CryptoKitties. The API, particularly with its V2 update, includes enhanced features like Polygon network support for efficient transactions and flexible data querying options. Developers are advised to monitor API status and adhere to rate limits to ensure smooth user experiences, with comprehensive support including a Python library for seamless interaction.

The Blockdaemon API Suite streamlines the way institutions access blockchain data, offering REST API access across over 15 protocols for easy multi-chain information retrieval. This approach reduces infrastructure costs and accelerates market entry, outperforming traditional Bitcoin analytics. Blockdaemon has also introduced ‘Experiences’ — cost-effective, pre-packaged solutions tailored to the specific needs of financial institutions, aiming to cut operational costs. Key features include Wallet Transact for managing wallet transactions, Chain Watch for real-time blockchain event monitoring, and VERIFY for auditing historical balances and tracking NFT data. Furthermore, Blockdaemon’s RPC data offerings eliminate the need to run your own node infrastructure by executing RPC methods on 22 protocols, simplifying blockchain interactions and decision-making processes.

The Moralis NFT API serves as a comprehensive tool for Web3 developers, streamlining access to NFT data across multiple blockchains with just one API call. It offers enriched metadata for NFT collections and individual tokens, including detailed traits and attributes. Developers can easily obtain real-time NFT transfer data, track instant ownership details for enhanced control, and leverage advanced spam detection to protect their platforms. Additionally, it integrates on-chain pricing data for dapps, optimized image previews for better user experience, and lightning-fast speed thanks to Moralis’ powerful CDNs. The API also supports alerts and notifications for NFT trades and mints, making it highly versatile. With cross-chain compatibility, it caters to Ethereum, Polygon, BNB Chain, Arbitrum, and more, enabling seamless development and scalability of NFT dapps.

Chainstack’s NFT API streamlines the full lifecycle management of NFTs, simplifying the process of fetching, searching, minting, and managing NFTs for developers. It offers a hassle-free way to build and scale NFT applications without worrying about gas fees, Web3 development complexities, or maintaining blockchain infrastructure. Users can easily access and analyze NFT metadata, collection data, transaction histories, and floor prices through a unified interface. Chainstack’s advanced search tools allow for precise discovery of collections or NFTs by name or description, with options to sort and filter results for optimal relevance and accuracy. The API also facilitates NFT minting and management, providing a straightforward approach to deploying smart contracts and managing NFTs without needing extensive custom code or grappling with the intricacies of Web3 infrastructure.

QuickNode’s NFT API streamlines the process of retrieving and managing NFT data across multiple blockchains, notably Ethereum and Solana. Designed to alleviate the cumbersome task of fetching NFT metadata directly from the blockchain, this API simplifies access to essential NFT information, making it easily searchable and universally accessible. With features allowing users to find NFTs, verify ownership, pull transfer histories, and access key collection details without diving into smart contracts, QuickNode’s solution is built to enhance the development and operational efficiency for a wide array of applications.

The Venly NFT API provides a versatile suite for developers to effortlessly create, manage, and distribute NFTs across multiple blockchains, including Ethereum, Polygon, and Binance Smart Chain, among others. It supports dynamic NFT creation, allowing assets to evolve and interact, enhancing user engagement. With functionality for direct wallet transfers, it streamlines NFT distribution. The API supports ERC-721 and ERC-1155 standards, enabling customization and integration with various marketplaces. Venly’s solution not only simplifies the NFT lifecycle but also ensures security and broad compatibility, making it an essential tool for developers in the NFT space.

BlockSpan’s NFT API propels Web3 development forward by providing detailed, real-time data on NFT prices, ownership, and metadata, along with advanced analytics on market trends, collections, and wallets. This comprehensive tool enhances customer relationship management by leveraging NFT data to understand customer preferences, tailor marketing efforts, and offer actionable insights on market trends. Its REST-based API ensures direct access to extensive NFT metadata and activity information, eliminating the need for IPFS or intermediaries and streamlining Web3 app development. With features like the NFT Analytics API and Wallet Analytics API, BlockSpan simplifies tracking NFT pricing, metadata, and ownership, facilitating impactful decisions in the blockchain space.

NFTScan offers Web3 developers a powerful, comprehensive suite of NFT data services and solutions across multiple blockchain networks, employing standardized indexing methods for full NFT data retrieval. This platform facilitates the development of new experiences in the NFT space by providing access to a vast range of data including ERC721 and ERC1155 assets, transactions, collections, and marketplace statistics. Its API endpoints are designed to support a wide array of development needs, ensuring developers have the necessary data at their fingertips for building Web3 products or DApps. NFTScan continuously expands its multi-chain support, covering a wide range of EVM chains like Ethereum, BNB Chain, and Polygon, as well as others including Solana, Aptos, and even Bitcoin, among others.

When it comes to NFT data APIs, Bitquery stands out as a comprehensive choice for many developers and businesses in the blockchain space. Here’s why you should consider Bitquery as your primary NFT data provider:

1. Extensive Data Range: Bitquery’s GraphQL API shines with its robust support for NFT data across Ethereum, Polygon, Arbitrum, and over 40 other blockchains. It facilitates a variety of queries including NFT transfers, trades, collections, holders, and metadata. This breadth of data makes Bitquery an indispensable tool for NFT applications.
2. Specialized NFT APIs: Bitquery offers specialized NFT APIs such as the NFT Transfers API, NFT Calls API, NFT Collection API, NFT Trades API, NFT Holders API, NFT Ownership API, and NFT Metadata API. These targeted solutions cater to specific needs within the NFT ecosystem, ensuring access to precise and comprehensive data.
3. Comprehensive Tools and Resources: Beyond APIs, Bitquery provides resources like the Bitquery Explorer, which allows users to visually navigate through NFT data. This tool makes NFT market trends, ownership details, and transaction activities accessible to a broader audience, including those less familiar with coding.
4. Ease of Getting Started: With a user-friendly interface and detailed guides on utilizing NFT APIs, Bitquery facilitates a smooth onboarding process for developers. Whether you’re integrating NFT data into a marketplace or analyzing NFT trends, Bitquery provides the necessary support to get started efficiently.
5. Community and Support: Bitquery’s dedication to user support is evident through their active communication channels and comprehensive documentation. This community-driven approach ensures users have access to help and guidance whenever needed.
6. Versatility for Various Projects: Bitquery’s suite of tools and APIs is designed to serve a wide range of users, from developers needing detailed API data for app development to researchers analyzing NFT market dynamics. This versatility ensures that Bitquery is a fitting choice for diverse blockchain projects.
7. Real-Time and Historical Data Access: Offering both historical and near-real-time data, Bitquery’s APIs are crucial for applications that depend on the latest market information as well as historical analyses for trend identification.
8. In-Depth Guides and Tutorials: Bitquery’s extensive documentation, including detailed guides on their NFT APIs, equips users with the knowledge to effectively implement these APIs in their projects. This educational resource is a significant asset for understanding and leveraging NFT data.

With its wide array of tools and dedicated support, Bitquery is a top contender for anyone looking to harness the full potential of NFT data across multiple blockchains.

The digital landscape of NFTs offers vast opportunities for creators, investors, and enthusiasts alike. By leveraging the top 10 best free NFT APIs listed above, users can gain invaluable insights into the market, track and analyze NFT transfers, and stay ahead in the rapidly evolving world of digital art and collectibles. These tools not only enhance understanding and accessibility but also pave the way for innovative applications and platforms in the NFT space.

1. Why use free NFT APIs?

Free NFT APIs provide developers and NFT enthusiasts with a cost-effective way to access and manipulate NFT data without the need for extensive blockchain infrastructure. They are perfect for prototyping, learning about NFT development, or even building fully-fledged applications without initial investment.’

2. How do I choose the right NFT API for my project?

When selecting an NFT API, consider the specific needs of your project, such as the blockchains you wish to support, the type of NFT data you need (transfers, ownership details, metadata, etc.), and any integration capabilities.

3. Can I use these APIs to track specific NFTs or collections?

Yes, many of the APIs listed allow you to track specific NFTs or collections by using smart contract addresses or other identifiers. This enables you to monitor the activity, transactions, and changes in ownership of particular NFT assets or collections.