> Used for building requests from an > [Oracle Integration Specification (OIS)](https://airnode-docs.api3.org/reference/ois/latest/), executing them, parsing > the responses, but also converting and encoding them for on chain purposes
npm install @api3/airnode-adapter@api3/airnode-adapter> Used for building requests from an
> Oracle Integration Specification (OIS), executing them, parsing
> the responses, but also converting and encoding them for on chain purposes
The adapter documentation describing relevant user facing parts can be found in
adapter docs.