# Connectors

Connectors implement `ConnectorInterface`. A connector contains the mechanism through which the data is going to be fetched.

Three connectors are provided by default, listed below.

## ConnectorTheGraph

A connector that fetches information from a The Graph Subgraph.

## ConnectorEthereumProvider

A connector that fetches information from a standard Ethereum provider \(EIP 1193\).

## ConnectorJson

A connector that read information from a JSON string. Useful for testing / debugging purposes.