# Introduction

### NuvoID

Nuvo users will have a NuvoID NFT

## Nuvo Badges

Nuvo Badge must have a NuvoID to receive the Badge

### Graph Env

We are using subgraph, please check the official website [link](https://thegraph.com/docs/en/querying/querying-the-graph/)

### Production

**HTTP Server**

{% embed url="<https://andromeda.thegraph.metis.io/subgraphs/name/matrix>" %}

**Playground**

<https://andromeda.thegraph.metis.io/subgraphs/name/matrix/graphql>

### Staging&#x20;

**HTTP Server**

{% embed url="<https://goerli.thegraph.metis.io/subgraphs/name/matrix-test>" %}

**Playground**

{% embed url="<https://goerli.thegraph.metis.io/subgraphs/name/matrix-test/graphql>" %}

\<Note> When querying graph, please convert the id to lowercase first\ <br>