Universal API

Powerful Access to Indexed Multi-Chain Data in Seconds

Streamline and accelerate access to 20+ protocols with one simple API connection.
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Maximize Speeds, Savings, and Effortless Protocol Expansion
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Scale Quickly and Save Money

Seamlessly expand to 15 protocols and adopt new ones 20x faster, all without the hassle of maintaining your own infrastructure.

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Boost Your Web3 Projects

Drive insights from blockchain data faster and enjoy zero downtime risk, while accessing historical data at lightning-fast speeds.

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Outpace Standard Bitcoin Nodes

Enjoy data retrieval speeds 10x faster than native node querying performance.

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UTXO Balances

Easily track unspent transaction outputs and efficiently manage your crypto assets. The response returns the transaction inputs and outputs following the BTC's UTXO model definition by a user-defined account address.

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Wallet Transactions and Account Balances

Monitor wallet activities and account balances in real-time to stay on top of your financials. 

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Real-Time Event Streaming 

Stay informed with instant updates on transactions, token transfers, and smart contract events.

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Fee Estimation

Optimize your transactions with accurate fee predictions, saving time and money. Currently supported for Bitcoin, Bitcoin Cash, Ethereum and Litecoin. Endpoint will return 3 fee estimations: fast, medium and slow.

Case Study

Leading Global Exchange Scales its Wallet Applications 99x with Universal API

This global top-10 cryptocurrency exchange has 100M+ users and solved their wallet application RPS scaling issues with Blockdaemon's Universal API.

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Access Without the Infrastructure

Blockdaemon's Universal API is available in three price tiers, catering for different usage and demand. You can now choose the perfect API tier option to suit your needs and start building winning blockchain apps.


Get started with the most flexible Blockchain APIs today.

Best suited for building blockchain projects.

15 Million Compute Units
Access to 20+ Protocols
25 Requests per Second.
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Grow your business with access to higher usage, scalability, and support.

Used by trading desks and digital asset investment platforms.

Custom Pricing
Limited Monthly Calls
Access to 20+ Protocols
200 Requests per Second
99% Uptime SLA
Standard Support: <48 Hour Response Rate
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Custom pricing for the fastest access to battle-tested node infrastructure across multiple protocols at once.

Used by the world's largest exchanges, banks, custodians, and non-cryptonative tech companies.

Custom Pricing
Custom Monthly Calls
Access to 20+ Protocols
200+ Requests per Second
Custom SLAs
Priority Support: Dedicated Relationship Manager Provides <24 Hour Response
Priority Support in Slack Channel
Contact Sales

Why Choose Blockdaemon?

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Blockdaemon's crypto infrastructure is engineered for maximum security.

  • Our bare metal nodes use only the best data centers and are ISO 27001 certified.

  • Your nodes are safe, with 50+ terabit DDoS protection - this ensures bad actors can’t take your nodes offline or impact your rewards.

  • Our cloud nodes are decentralized across 10 top-tier hosting partners with institutional-grade security, including Google, Amazon and IBM.

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Our scalable and redundant infrastructure operates with 99.9% uptime.

  • Our nodes are fully managed by our expert team of engineers, from the software stack all the way down to the cloud instances and bare metal hardware

  • We manage all node updates, so you don’t have to.

  • You enjoy the best possible blockchain service, led by our full-time team of infrastructure experts.

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Blockdaemon is ISO 27001 certified, meeting the highest compliance standards.

  • Rigorous policies are ensured by our Chief Compliance Officer & dedicated team

  • We assess on-chain behavioral indicators and perform risk scoring

  • Blockdaemon’s Comprehensive Compliance Program includes risk based KYC diligence, sanctions screening and Anti-Money Laundering monitoring