Blockchair API
Fetch data from 17 blockchains
Blockchair API provides developers, researchers, and businesses with access to data contained in 17 blockchains. The API supports numerous analytical queries like filtering, sorting, and aggregating blockchain data with high uptime.
It doesn’t get any better than this:
- Fetch the balance for up to 25,000 addresses under 1 sec
- One endpoint for all blockchain data your product needs
- Batch requests for transactions and addresses
- Get the most important stats on all supported blockchains via one API request
- SQL-like queries for in-depth research analysis
What our users say about our features
Privacy guaranteed
API documentation done right
Packages for all use cases
Inexhaustible data insights for 17 blockchains
ERC-20, Omni Layer, Segwit, xpubs, and more
Blockchain data exactly as it is recorded on blockchains
Blockchair API is ideal for
Exchanges
Multicurrency wallets
Analytical services
Blockchain startups
Independent researchers
Students and academia
API characteristics
1
High Uptime
We run multiple infrastructures to guarantee the highest uptime on the market.
2
Rest API
An industry standard. Make the usual HTTP requests.
3
JSON response data format
Convenient to use in applications written in various programming languages.
4
Real-time data
For most blockchains we are running our own full nodes which guarantee you access to up-to-date data, always.
5
SQL-like queries
Filter, sort, offset, aggregate. Construct queries very similar to the SQL ones.
6
Free API testing plan
The plan allows you to test the API without the key with the daily limit of 1,000 calls.
Best prices
According to our clients we offer the best value for money. Both one-time and monthly payments are available!
No hard API limits
On our Enterprise plans you won’t be blocked from making requests if you hit the API limit.
One-on-one support
Have problems constructing a query or can’t find how to pull certain data? Our support team is ready to help you with all your questions.
Client testimonials
Blockchains we support
Bitcoin
Ethereum
Ripple*
Litecoin
Bitcoin Cash
Cardano
Stellar*
Bitcoin SV
EOS*
Monero
Tezos
Dash
Zcash
Dogecoin
Bitcoin ABC
Mixin
GroestlcoinWe also provide data for over 120.000 ERC-20 tokens and the Omni Layer
* For these blockchains we don't support the full history
Trusted by the best
Used by leading educational institutions
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