# API

### API Key

#### Making Requests

All API requests must include a header with a valid API key

```
// API Key Header
'Authorization': '...api-key...'
```

#### Getting an API Key

Please send API key requests to <info@integral.link> and include the following information:

1. **Email address** - so we can reach you and your team in-case of future API changes
2. **Organization name**
3. A few sentences describing what you're building with our API

### Endpoint

<https://size-api.integral.link>

### Documentation

<https://size-api-docs.integral.link>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.integral.link/size/developers/api.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.