# Introduction

This *legacy* Scoring API has a different API key and authentication than the new API, please refer to the right article

## Requests

* All requests should be made using *https\://*.
* All response bodies, including errors are encoded in JSON.

We have official language bindings in:

* [Node.js](https://github.com/MadKudu/madkudu-node)

## Rate Limiting

You can make up to 600 requests per endpoint per minute. Once you reach that limit, you will start receiving errors (HTTP code 429).


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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://developers.madkudu.com/legacy-api/introduction.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.