Covalent's NFT endpoints are a playground for developers to create all sorts of Web3 experiences. Here are some ways to showcase NFT data using Covalent.

Enhance your website or application in no time with fast, reliable NFT data

Get the complete transfer history for an NFT with one API call. Easily build a transaction history tables, chart prices, and filter out spam NFTs.

Expose NFT transfer data

Use our NFT rarity endpoints to analyze and reveal which NFTs in a collection are the most valuable with detailed traits and attributes data. Our trait summary endpoint has built in rarity calculations.

Add NFT rarity features to your app

Check whether a wallet is holding a particular NFT or part of a collection with one click. Build token-gated communities, host exclusive events, facilitate airdrops and more.

Verify NFT holders with ownership data

Go to market in a fraction of the time with Covalent's straightforward interface. Eliminate multiple RPCs and time-consuming scripts to get the data you need.

Time to market

Covalent provides professional support for enterprise customers, so you never need to worry about compromising your user experience. 

Customer success

Access billions of rich NFT data points across 100+ supported blockchains.

First-class data

Covalent provides the broadest data coverage in Web3, capturing granular NFT data to support the long tail of use cases. Our rich, structured data makes it easy to get NFT images, attributes, traits and more in just a few clicks so you can go to market faster. Confidently rely on our scalable infrastructure to create the best experience for your users.

Why choose Covalent for your NFT data?

Check out our extensive NFT data coverage as well as guides to help you get started with Covalent's NFT endpoints.

Related resources

View a complete count of crawled NFT data downloaded, thumbnailed and cached by Covalent to provide the best developer experience.

Millions of NFT metadata and assets cached

This guide will show how you can seek some NFT alpha and quickly evaluate the rarity of an NFT using the Covalent API!

Seeking NFT Alpha with Covalent

Learn how to access the historical transaction data of an NFT (Non-Fungible Token) including a comprehensive and transparent record of the NFT's ownership history, sale prices, and transfer dates.

How to Get All Transfers for an NFT

Covalent Deep Blue

We at Covalent believe that easy access to data is critical for blockchains to reach mainstream adoption. We keep that bigger vision in mind for everything we build so our users can grow with us.

Our approach

Covalent has been a game changer for us. We no longer have to spend hours manually gathering data and cross-referencing it with multiple sources. With just a few API calls, we can get all the data we need.

Software Engineer

Covalent's API is indispensable for us. It has reduced our engineering time, cost and maintenance by 10x!

Product Manager

What Covalent has done is a game changer. No other infrastructure provides this quality of data. They've allowed us to scale rapidly with our users.

What customers are saying about us

Have all your API usage data immediately available when you sign in to your account dashboard. Covalent utilizes a credit system to track API usage.

Estimate your cost

Get started for free and access the richest blockchain data via the Covalent Unified API. We offer flexible pricing for when you need more data faster.

Get started for FREE. Grow as needed. 

Covalent provides comprehensive NFT data in outstanding detail from over 100 blockchains. Fetch real-time NFT metadata, ownership data, transaction data, and much more with one Unified API.

Get NFTs from contract with metadata

Get NFTs for address

Get traits for a collection

You've put in the hard work to create an NFT collection, now let us help you showcase it to your community. Covalent provides comprehensive NFT data in outstanding detail from over 100 blockchains. Fetch real-time NFT metadata, ownership data, transaction data, and much more with one Unified API.

Build high-quality NFT applications

Built for the top protocols in Web3

Light Gray

Covalent's powerful blockchain API already provides developers with easy access to data across 100+ chains through our structured Class A endpoints. But for DeFi protocols like Aave, Curve, and Balancer, the unique features and nuances of each platform can make it challenging to get the market data you need. That's why we created Class C endpoints, which give you deep insights into these specific protocols, so you can take your DeFi applications to the next level.

Unlock unique insights and opportunities with protocol-specific market data

What can you do with Class C?

Provide your users with real-time data on their DeFi activity, enhancing your applications and building trust with your customers.

Enhance your user experience

Monitor supply and borrow rates, track collateralization ratios, and analyze other risk factors on protocols like Aave and Compound, allowing you to manage risk more effectively and ensure the safety of your users' funds.

Risk management

By using Covalent's Class C endpoints to get real-time data on top DeFi protocols, you can optimize your liquidity provision strategies and increase returns for your users.

Optimize liquidity provision

Track the performance of DeFi portfolios across multiple protocols, giving your users a comprehensive view of their investments and helping them make more informed decisions.

Track portfolio performance

With Class C endpoints, you can get market data that's specific to each protocol, so you can understand how each platform is performing and identify opportunities to optimize your applications.

Deep insights into unique DeFi protocols

Covalent's API is designed to be easy to use and integrate with your existing workflow, so you can get the data you need without disrupting your development process.

Easily integrate with your existing workflow

Whether you're building a wallet, a tax application, or DeFi tools, leveraging Covalent's Class C endpoints can help you stay ahead and build solutions that are powerful, efficient, and effective.

Stay ahead of the competition

Covalent maintains complete and accurate historial data, which is easily accessible. Other providers cut corners by only keeping a small timeframe of DeFi data.

Get complete historical data

Maximize Your DeFi Potential with Covalent

Get market data for a specific Aave lending pool.

Get market data by address 

pool-address

Get transactions by wallet address

address

Have all your API usage data immediately available when you sign in to your account dashboard. Covalent utilizes a credit system to track API usage, and credits are only charged if you opt for the Premium tier, which offers higher rate limits on select endpoints and dedicated support. 

The team at Covalent has been a pleasure to work with. They're always quick to respond to any questions or concerns, and their expertise has been invaluable in helping us navigate the complex world of blockchain data.

Blockchain App Manager

What customers love about us

Try Covalent's Class C endpoints today and unlock the power of protocol-specific DeFi data.

Get started for FREE. Grow as needed.

DeFi protocols are complicated, and their unique quirks prevent a one-size-fits-all solution for data. Fortunately, Covalent's data experts build and maintain a seperate class of endpoints that allow you to easily fetch liquity pool positions, transactions and yield farming data. Welcome to Class C, your window into DeFi data.

Dive into DeFi with Class C endpoints

Getting all wallet transactions via traditional approaches such as JSON-RPC, Web3.js, or Ethers.js is tedious. With Covalent API, you can get it with just one call. 

Getting all transactions of a wallet should be easy

Three endpoints for all your transactions use cases

Commonly used to fetch the transactions involving an address including the decoded log events.

**What can you use this endpoint for?**
- Displaying all user transactions on a page
- Getting all user transactions for P&L calculation in for taxation tools 
- Displaying all transactions & events of your DeFi smart contract 



Get recent transactions for address (v3)

Commonly used to fetch all transactions including their decoded log events in a block and further flag interesting wallets or transactions.

**What can you use this endpoint for?**
- Building block explorers 
- Block-level analytics dashboards 
- Notification engines which flags for interesting transactions and notifications
- Discord bots to watch for wallets, transactions, or events

Get all transactions in a block (v3)

Commonly used to get all transactions of an NFT token. Useful for building a transaction history table or price chart.

**What can you use this endpoint for?**
- Building an NFT historical price chart
- Building an NFT Transfer history table 

Get NFT transactions for contract

Effortlessly expand the potential impact of your analysis across 100+ chains... with no extra work. 

100+ chains

Covalent can provide thousands of transactions with a single API call, serving data back to the genesis block.

Complete historical data

We include decoded event logs in our data response to give you the full context of each transaction. 

Decoded event logs included

Speed is important. It is also our strong suit. We use a pioneering time-bucket method for transactions retrieval, thereby keeping latency consistently low across the board.

High reliability, low latency

We do the hard work, so you don't have to

Have all your API usage data immediately available when you sign in to your account dashboard. Covalent utilizes a credit system to track API usage, and credits are only charged if you opt for the Premium tier, which offers higher rate limits on the transactions endpoints for Ethereum, Polygon and BSC.

Check out some of these resources related to the Covalent transactions endpoints:

Ready to learn more?

The Transactions V3 suite of APIs are the newest edition of the ever beloved Transactions APIs re-built from the ground up for speed and efficiency. 

Introducing Transactions V3 APIs

To crawl historical transactions reliably at scale, learn about our time bucket solution and how to optimize these queries. 

Scaling the transactions endpoint with time buckets

Covalent has an all-new GET Get all transactions in a block (v3) endpoint that allows you to get granular data on every single transaction within a block across the 100+ chains we support. 

Get all transactions in a block

The API reference is an interactive tool that lets you make API calls directly from the browser! Check out our full list of endpoints and their parameters.

API reference

All historical transactions across 100+ chains at your fingertips. 
You can query by address, block number, or transaction hash, and expect to get the richest on-chain data in near real time.

Get a transaction

Easily retrieve all historical transactions

Show your users their latest balances as soon as they've made a transaction. Covalent is up-to-date by seconds across all blockchains. 

Real-time

The Covalent balances endpoint returns current token balances of ALL types including NFTs and their metadata. No need for multiple RPCs or complex code.

NFTs included

Enjoy structured data that is standardized across blockchains. Simply change one parameter any time you want to expand your product offering to include a new blockchain.

Structured data

The Covalent API is built to handle large amounts of data, so you can confidently support a growing user base on your application.

Built to scale

Covalent's structured schema and structured data response makes it easier than ever to scale your wallet application. Forget querying token balances and NFT data one by one, we built a single endpoint that can power your entire front-end.

Build exponentially faster with the only unified API for Web3

Given `:chain_id` and wallet `:address`, return current token balances along with their spot prices. This endpoint supports a variety of token standards like ERC20, ERC721 and ERC1155. As a special case, network native tokens like ETH on Ethereum are also returned even though it's not a token contract.

Get token balances for address

Covalent's balances endpoint is tailored for the wallet use case. Get a detailed understanding of its capabilities in this related reading.


Learn more about what the balances endpoint supports

Learn to build the absolute core feature of a wallet: displaying a user’s token balances. This tutorial guides you through building a React component for this purpose.

Building Web3 Wallets (Part 1) - Token Displays

This tutorial shows you how to expand the functionality of your wallet to return the wallet activities from your favourite DeFi protocols, such as Aave, Curve, Balancer, Frax, InstaDapp, Yearn, and more.

Building Web3 Wallets (Part 2) - Curve LP tokens balances

This guide shows you how to build out a transactions component that shows you all the transactions that a wallet address has made on the Curve protocol.

Building Web3 Wallets (Part 3) - Displaying Curve transactions

This guide shows you how to create a table of all the liquidity pools on Curve. This table will feature important data points such as the near real-time constituent token balances within the pool, the pool type, the pool addresses, their TVL (Total Value Locked), as well as their supply APY (Annual Percentage Yield).

Building Web3 Wallets (Part 4) - Displaying Curve liquidity pools

Get the wallet data you need with no complex lines of code or time-consuming scripts. Retrieve token balances with spot prices. Get historical portfolio value over time. See all ERC20 token transfers for a given address. Switch blockchains by changing a single parameter.

Comprehensive data at your fingertips

Have all your API usage data immediately available when you sign in to your account dashboard. Covalent utilizes a credit system to track API usage, and credits are only charged if you opt for the Premium tier, which offers higher rate limits on the balances endpoint for Ethereum, Polygon and BSC.


We at Covalent believe that easy access to data is critical for blockchains to reach mainstream adoption. We keep that bigger vision in mind for everything we build so our users can grow with us. 

Covalent's balances endpoint is trusted by leading wallet applications across the globe. 

XDeFi

Rainbow

Omni

Bitski

Ambire

Powering the top wallets in Web3

We've tried several other blockchain data providers, but none have come close to the level of service and support we've received from Covalent. They've gone above and beyond to help us integrate their data into our systems and understand it.

Lead Engineer

Get started for free and access the richest blockchain data via the Covalent Unified API. We offer flexible pricing for when you need more data faster.


With the Covalent Unified API, you can seamlessly retrieve token balances for any address, regardless of the blockchain it’s on. And you can do it with a single API call. Integrate comprehensive token balance data into your Web3 applications effortlessly.

Get all token balances with just ONE API call

With Covalent API, there's no need for any complicated configuration. Simply make a call, and get all the balances and transactions of a Bitcoin wallet address. 

No configuration required

The transactions responses are very rich and contains all the on-chain data you need for your business purposes. Fields include: value, quote, fees, gas quote, time, and much more. 

Track the most important data 

Our balances and transactions endpoints have the same response schema across 100+ chains. No need to alter your code to fit different schemas.

Over 100 chains supported -  not just Bitcoin network

No need to worry about differences in blockchain architecture. Get the high level Bitcoin data you need, whether it's for taxation purposes, transaction dashboards, or Bitcoin wallets.

We did the hard work so you don't have to. 

Supply a Bitcoin address and get its token balance. 

**What can you use this endpoint for?**

- Extending Bitcoin support for your app
- Building a Bitcoin wallet
- Input data for Bitcoin ATM


Supply a Bitcoin address and get all its associated transactions.

**What can you use this endpoint for?**

* Displaying all your transactions on a page
* Getting all user transactions for P&L calculation in for taxation tools
* Displaying all transactions & events of your DeFi smart contract
* Showing all user transactions in a wallet

Here are some use cases where the bitcoin endpoints thrive. 

What can you build?

Get near real-time bitcoin balances in your Bitcoin ATM machines with Covalent API. 

Bitcoin ATM

Easily build a balances page and a transactions page of a Bitcoin wallet with the Covalent API. 

Bitcoin wallet

Scale your dApp's offering beyond EVM by tapping into the world's largest crypto network. 

Multi-chain App with Bitcoin support

Javascript Code Snippet (Bitcoin Transactions)

Simply copy and paste the Javascript code below in your frontend client and you will be able to get Bitcoin balance data! Be sure to replace the `APIKEY` with your API key. You can also replace the `demoAddress` with another Bitcoin wallet address. 

Get set up within minutes

It's a no-brainer going with Covalent for our data needs. Bitcoin is the most widely held asset for our clients and we use Covalent to help generate taxation cost basis. Without their API, this would have been extremely tedious. 


Lead Developer

Covalent's Bitcoin transactions data was vital for the generation of the P&L reports for our clients. The integration process was seamless and we got set up in minutes. 

Senior Auditor

Having already integrated Covalent for the EVM chains, it was very easy adding one more chain to our platform. Our users loved it. 

Hear what our customers have to say:

Learn how to get wallet balances and transactions on the Bitcoin network using the Covalent API! Answer questions like:
* How much BTC was sent in a transaction?
* Where can I see a record of all Bitcoin transactions for a wallet, including historical prices?
* What is a user’s Bitcoin wallet balance?

How to Get Bitcoin Balances and Transactions

Get started for free. Grow as needed.

Near real-time Bitcoin data at your disposal. Need historical Bitcoin transactions to calculate taxation P&L? We got you. Need Bitcoin wallet balance? Check. 

Unleash the power of Bitcoin with our API

Built for the leading DEXs in Web3

Developed for protocols like Uniswap and its clones in mind, Covalent's AMM endpoints provide access to data for any DEX using the xy=k model. Fetch real-time and historical information on liquidity pools, token swaps, and wallet activity across multiple blockchains and decentralized exchanges.

Discover the power of Covalent's AMM endpoints for your DEX

What can you do?

Identify top-performing token pairs and pools. Observe historical trends around overall liquidity and trading volumes. Track any wallet and its positions with ease.

Gain deep insights into liquidity pools, token swaps, and slippage analysis

Our AMM data feeds are built using the latest transactions, including swaps and liquidity events, so your analytics views are always up-to-date —no need to wait for indexing.

Build real-time analytics views

Set your DEX apart from competitors by accessing real-time and historical market data to understand market trends and user behaviours and exploit inefficiencies in the DeFi ecosystem. Inquire about our custom endpoint service to meet your specific needs.

Gain competitive advantage

Comprehensive data coverage for constant product AMMs across multiple blockchains.

Extensive coverage

Real-time and historical data for powerful DeFi analytics and insights.

Historical data

Standard REST APIs for faster development and deployment of your DeFi applications.

Fast integration

Robust support for multi-chain DEXs and cross-chain liquidity management.

Depth and breadth

Why choose Covalent?

Commonly used to get the 7 day and 30 day time-series data (volume, liquidity, price) of a particular liquidity pool in a DEX. Useful for building time-series charts on DEX trading activity.

Get XY=K pools by address

Supercharge your DEX Analytics views with Covalent's leading Automated Market Maker (AMM) endpoints covering the full breadth and depth of multi-chain DEX data. Extract pool, token and transaction details, including TVL, liquidity and volume, with ease.