# Quickstart

Fetcch API contains various modules, each module has different API route and schema

* Identity Module
  * Resolve any identity from any DID protocol like .eth, .sol, .apt, @metamask, @kana etc
  * Issue identity in a namespace like @metamask, @kana etc
* Transaction Request Module
  * Request any type of transaction to any address, or DID
  * Websocket APIs for notifying when a request is created for an address or DID
* Synchronized Address Book Module
  * Create books for any wallet
  * Share books to different wallet

### API Keys

To acquire API Keys, contact @hardik\_fetcch on telegram, we will guide you through entire process and make sure you have a delight while building on Fetcch

### How to authenticate using API Keys?

Add your API Key as `secret-key` in headers of every request, and request will be authenticated

### Reading Data

All data is user owned and can only be accessed by the user itself by providing a signature.