# What is ChainAPI?
The ChainAPI platform streamlines "API provider data to blockchain" integrations . Using the ChainAPI web based app, API providers configure and deploy an Airnode which can link your API data to several blockchains. Airnode is designed with mechanisms that eliminate both on-chain and off-chain concerns of API providers. The set-and-forget framework of Airnode is all about its ease of implementation.
ChainAPI can connect almost any API, whether open or authenticated, to Airnode. Airnode then queries your API operations to be consumed by EVM on-chain smart contracts, either by using the request/response protocol or the more popular on-chain dAPI sets.
Use the ChainAPI web based app to get started. The app will step you through the process. If needed, there are helpful hints in the User Guides of the ChainAPI documents. There are two primary functions of the app:
- Integrate: Creates and maintain a
config.jsonfile that defines an Airnode.
- Deploy: Deploys the Airnode to a cloud provider, AWS or GCP.
The ChainAPI web based app creates an Airnode configuration file that is used to
deploy an Airnode to either AWS or GCP. The deployment process uses
config.json parameters to build the Airnode. Airnode bootstraps itself using