# Setup

### **Devnet**

Glittr's Devnet has several endpoints API that enables you to send transactions & query status information from nodes. \
\
First register on <https://dev.glittr.fi> and get your API key there. Use the API key by putting it on Authorization header as bearer token, .e.g. Authorization: Bearer \<your-api-key>. Go to [glittr-sdk](https://docs.glittr.fi/building-on-glittr/glittr-sdk "mention") on how to use the API key using SDK.

Glittr API:

<pre><code><strong>https://devnet-core-api.glittr.fi
</strong></code></pre>

Electrum & Wallet API (broadcast Bitcoin Tx, get UTXOs, etc):

```
https://devnet-electrum.glittr.fi
```

Explorer:

```
https://explorer.glittr.fi
```

### **Testnet4**

Glittr API:

<pre><code><strong>https://testnet-core-api.glittr.fi
</strong></code></pre>

Electrum & Wallet API (broadcast Bitcoin Tx, get UTXOs, etc):

```
https://testnet-electrum.glittr.fi
```

Explorer:

```
https://testnet-explorer.glittr.fi
```

### **Mainnet**

Coming soon