Free
Clone the historical blockchain state to your Astra account in minutes.
Completely free, works within the Astra free plan
Astra Block
Stream real-time, human-readable blockchain data
Run lightning fast queries across Terabytes of blockchain data.
Build Web3 apps that are off the chain
Focus on building your app! No need to set up nodes, build indexing, and design data models. Jumpstart your project using queryable, enriched blockchain data served by a cloud database service designed for big data.
Benefits
Why Astra Block?
Real-time, always in sync
Blockchain updates are processed in real-time, as blocks are mined, no more waiting for hourly or daily batch ETL jobs.
Decoded and
human-readable
Blockchain data is decoded, enhanced and stored in human-readable format, accessible via standard CQL database queries.
No more indexing or node operations
No need to run nodes or complex ETL jobs. Work off-chain at subsecond speeds, no matter the length of the chain.
Sample Code
See Astra Block in action with our NFT explorer or block explorer sample apps.
NFT Explorer
Built using React and Next JS, the NFT Explorer gives the user a complete view of NFTs supported on the Ethereum Blockchain that have been minted or transferred in real-time.
- Search every NFT every created in seconds
- Pull the transfer history of an NFT in a single API call
Blockchain Explorer
Like the NFT Explorer, this industry-first, open-source Ethereum Blockchain Data Explorer pulls all of the blockchain data from Astra DB and gives the user a real-time view of the latest blocks that have been mined, along with the latest Ethereum transactions.
- Pull historical gas price by block number
- Pull the # of ERC20 transfers by block number
Offering
Pay as you go
Always up-to-data copy of the blockchain within your Astra account.
Astra DB is synced instantly when new blocks are mined. Pay standard Astra DB pricing.
Developers
Query for NFTs by contract address
Learn how to query for NFTs by contract address. No need to decode data or query the metadata URI. All data is sanitized, ready for your app.
SELECT * FROM nfts WHERE contract_address= "0x6C9343CA5c2Ef3a35a"
FAQ
How do I get access?
Request access by filling out the form above.
Does the dataset update in real-time?
You can access two different datasets:
- Sample Ethereum dataset of 1,000 blocks of data
- Ethereum data feed that updates in real-time once a block is mined
How can I build an application with this dataset?
You can get started by connecting your application to Astra DB with drivers or utilizing our Stargate APIs.
Do I get access to monthly credits?
Yes, you will still have access to $25 in credit that comes with Astra DB.