Alethio Developer API

Ethereum Developer Data API

Build robust, reliable Ethereum-powered products faster.

Alethio's API gives developers access to synthesized, real-time data, enabling robust data querying and enhanced infrastructure development.

Alethio Blockchain API

API Documentation

Blockchains store data in ways most apps find difficult to access. Our API gives you a robust and reliable way to query synthesized, indexed Ethereum data in real-time via a JSON:API compliant REST interface.

API Documentation



The Alethio API is a developer's Swiss Army Knife. Use the API to access information about dapps, wallets, financial protocols, security, trading, and more.


Explore use cases for Alethio's API, including dapp performance, trading, wallets, and financial dashboards.


Learn how to use Alethio's API to your advantage and leverage Ethereum's transparency to identify, access, and analyze important on-chain data.

Coming soon

Community Forum

Receive support from our developers and the Alethio API community in general. We are here to help!

Community Forum


10,000 requests

every month

  • No credit card required


only pay for what you use


Billed at the end of the month.Read more

  • No long-term commitments or upfront payments needed

Elastic Pricing

Get started with the Alethio API for free. It costs nothing to use the API up to 10,000 calls per month.

After that, pay only for what you use. Alethio uses elastic pricing, meaning the more calls you make, the less you pay per call.

If Monthly usage is*
Price per usage will be*
1,000 - 99,999
100,000 - 499,999
500,000 - 999,999
1,000,000 - 2,499,999
2,500,000 - 4,999,999
5,000,000 - 9,999,999
10,000,000 - 24,999,999
25,000,000 - 49,999,999
50,000,000 - 99,999,999
more than 100,000,000
* on top of the free 10,000 quota
* per 1,000 paid requests