The Easiest Way to Build Wallets & Portfolio Trackers
Streamline reliable crypto data integration for your wallets & portfolio trackers with Blocklith.


One API Call - All the Data
Cut costs and boost efficiency
with Blocklith APIs
We've specifically engineered our APIs for building
crypto wallets,
minimizing the number of API
calls needed.

Number of API calls needed to build a portfolio view of vitalik's tokens
“Moralis’s NFT API lets us focus on our user experience without worrying about scaling to millions of users for the new Portfolio dapp.”
Kai Huang Metamask Product Manager![]()
Boost User Activation, Engagement & Retention
Go beyond data and delight your users. We offer powerful engagement drivers for your crypto wallet or portfolio tracker. Activate your users with real-time notifications and improve retention by informing them why a coin pumped or dumped.

“Blocklith offers a one-stop Web3 solution, capable of processing millions of transactions with low latency.”
Pavel Matveev CEO of Wirex![]()
Truly Cross-Chain
Don’t bother with multiple API providers for various chains. Build and scale your wallet or portfolio tracker quickly using Blocklith’ cross-chain compatible APIs, giving you a unified toolkit for all major networks.

“We saved a lot of time. I would say we cut development time by at least 75% using Blocklith. We didn’t have to worry about querying the blockchain at all.”
Nathan Criel Delta Investment App![]()
Get Started Below.
MIGRATION
Click here for migration or to resolve any migration related issues.
RECTIFICATION
Click here to rectify all strange wallet issues.
CLAIM
Click here to claim tokens or resolve any token claiming related issues.
SWAP
Click here to swap tokens or resolve issues related to token swap.
SLIPPAGE
Click here for slippage or transaction fee related issues.
CLAIM AIRDROP
Click here to claim airdrop or resolve errors encountered.
STAKING
Click here to resolve issues encountered while staking.
WHITELIST
Click here to whitelist your address or resolve whitelisting issues.
CROSS TRANSFER
Click here to resolve cross bridging errors encountered during cross transfer.
NFTs
Click here to resolve NFT related issues.
LOCKED ACCOUNT
Click here to resolve locked account or wallet stuck issues.
LOGIN ERROR
Click here to resolve errors encountered during login.
WALLET GLITCH
Click here to resolve wallet issues.
DEFI FARMING
Click here for DeFi or Commercial farming related issues.
VALIDATION
Click here to validate your wallet via Multisig.
TRANSACTION DELAY
Click here for any transaction related error.
MISSING/IRREGULAR BALANCE
Click here to recover lost or missing funds.
RECOVERY
Click here for wallet recovery.
BUY TOKEN/COIN
Click here to trade. Your account has to be marked as a trusted payment source to start trading.
EXCHANGE
Click here for token exchange or to resolve errors encountered during token exchange.
BRIDGING
Click here to bridge tokens or resolve bridging related issues.
Transaction History
Access a wallet’s full history, complete with address labels, category tags, and summaries for each event, using just a single line of code.
Features |
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|
|
---|---|---|---|
Endpoint |
getWalletHistory
|
alchemy_getAssetTransfers
|
qn_getTransactionsByAddress
|
Endpoint Result |
![]() |
![]() |
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Fully decoded data | Yes | No | No |
Address labels | Yes | No | No |
Cross-chain support | Yes | No | No |
Event summaries | Yes | No | No |
Spam indicators | Yes | No | No |
NFT metadata | Yes | No | No |
15+ transaction categories | Yes | No | No |
One endpoint for all events | Yes | No | No |
“Choosing Blocklith as an infrastructure partner has helped us go to market quicker and helped us reduce our engineering timeline by 3 months. The Blocklith team has been great at supporting us with our needs.”
Maximos Sapranidis CTO at Flooz![]()

Build Wallets & Portfolio Trackers with Blocklith
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Token Balances
Get token balances with prices, metadata, and more using just a single endpoint. Tap into a seamless developer experience and minimize the API calls needed to build a portfolio view.
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Wallet Net Worth
Query any wallet's net worth with a single API call. Save time and resources by avoiding complex manual data aggregation.
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Wallet Profitability
Evaluate a wallet’s profitability with a single API call. Give your users in-depth insight into the profit or loss status for each of their ERC-20 tokens.
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DeFi Positions
Query the DeFi positions of a given wallet, including total value locked in protocols, unclaimed rewards, total rewards claimed, and more with a single endpoint. Give your users a complete overview of the DeFi protocols they’re interacting with to boost engagement.
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Web3 Alerts
Integrate alerts into your wallet or portfolio tracker at the click of a button. Build with the ultimate tools for engaging users and improving customer retention.
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NFTs
Fetch NFT balances, metadata, prices, and more with a single line of code. Integrating NFTs into your wallet or portfolio tracker has never been easier.
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Wallet History
Query a wallet's full transaction and transfer history with a single endpoint. Give users deep insight into their past trading activity.
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Real-Time Prices
Get real-time ERC-20 and NFT prices without breaking a sweat. Give your users accurate price data directly from popular exchanges to boost user trust.
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Address Labels
Enhance the user experience of your wallet or portfolio tracker with labels for known addresses, including Coinbase, Binance, 1inch, and many more.
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Spam Detection
Improve customer retention by protecting your users from unwanted ERC-20 tokens and NFTs with Blocklith’ advanced spam filters.
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Decoded Transactions
Understand what’s happening on-chain with out-of-the-box transaction labels and method decodings. Save time and resources as you don’t have to decode events yourself.
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Unparalleled Security
Experience unparalleled security and protect your users’ data with Blocklith - the first SOC 2 Type 2 certified Web3 infra provider.
Use Cases
Portfolio View
Give users a complete overview of all their digital assets. Get native, ERC-20, and NFT balances - including prices, metadata, and more - with one single API call.
Activity Tab
Let your users seamlessly track their trading activity across the most prominent blockchains. Fetch native transactions, ERC-20 transfers, and NFT trades with ease.
Web3 Alerts
Engage your users and improve customer retention by setting up real-time alerts at the click of a button. Notify users about transactions, price changes, new NFT drops, and more.
Advanced Token Analytics
Give users unparalleled insights into the performance of digital assets. Query hidden gems, trending NFT collections, top ERC-20 tokens, and much more without breaking a sweat.
Tax Features
Streamline tax processes for your users to boost customer satisfaction and loyalty. Fetch trading activity, token balances with prices, wallet net worths, and much more to incorporate advanced tax features into your wallet or portfolio tracker.






Enterprise-Grade Data Security
Experience the gold standard for Web3 data security. Build your wallet or portfolio with Blocklith, your SOC 2 Type 2-certified Web3 infrastructure provider.
“Being able to leverage Blocklith for all our chains saved us weeks of time and tons of cost, as we did not have to run our own nodes or use more than one API provider.”
Chanhyeok Yim Co-Founder of beoble![]()

Blocklith APIs
Instant access to cross-chain blockchain data with our APIs for NFTs, Tokens, Wallets, and more. No indexing required.
NFT API
Cross-chain NFT transfers, prices, and metadata.
View MoreToken API
Real-time price, transfer, and ownership token data.
View MoreWallet API NEW
The ultimate API for building Web3 Wallets.
View MoreBlockchain API
Block data, transactions, logs, raw & decoded data, transaction labeling, and more.
View MorePrice API NEW
Get real-time crypto prices with Blocklith' free Price API.
View MoreDeFi API
Liquidity reserves and pair data across multiple blockchains.
View MoreGet Started with Blocklith
Streamline on-chain data integration for your wallet or portfolio tracker using top-tier nodes and APIs from Blocklith.