> For the complete documentation index, see [llms.txt](https://docs.inbrc.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inbrc.org/inbrc-developer-service.md).

# inBRC Developer Service

### Overview

inBRC Developer Service is open to community developers, providing a way to explore the world of [BRC-100 protocol stack](https://docs.brc100.org/). You can deploy your own decentralized applications, inscribing services, wallet applications, marketplaces, etc. based on BRC-100 by the Open API we provide. 

### Getting an API Key

To use the Open API, please feel free to send us an email (**<contact@inbrc.org>**), and we will send you with an free-plan API KEY.<br>

After receive the API key, please add it to the request header with the `Authorization` format as follows:

```bash
curl -X 'GET' \
  'https://open-api.inbrc.org/v1/indexer/brc100/block/latest' \
  -H 'accept: application/json' \
  -H 'Authorization: Bearer YOUR_API_KEY'
```

### Endpoint URLs

<table><thead><tr><th>Network</th><th width="316">URL</th><th data-hidden>Swagger</th></tr></thead><tbody><tr><td>Mainnet</td><td>https://open-api.inbrc.org</td><td>https://open-api.inbrc.org/open-api</td></tr><tr><td>Testnet</td><td>https://open-api-testnet.inbrc.org</td><td>https://open-api-testnet.inbrc.org/open-api</td></tr></tbody></table>

### Rate Limits

| API Tier | Rate Limit                                     |
| -------- | ---------------------------------------------- |
| Free     | 5 calls/second, limitation: 10,000 calls/day   |
| Standard | 10 calls/second, limitation: 100,000 calls/day |

{% hint style="info" %}
If you require a higher limit than the available plans, please **Contact Us (<contact@inbrc.org>)** for pricing.&#x20;
{% endhint %}