# Introduction

We have language bindings in curl, php, and Go! You can view code examples in the dark area to the right, and you can switch the programming language of the examples with the tabs in the top right.

Our API has predictable resource-oriented URLs, accepts [form-encoded](https://en.wikipedia.org/wiki/POST_\(HTTP\)#Use_for_submitting_web_forms) request bodies, returns [JSON-encoded](https://www.json.org/json-en.html) responses, and uses standard HTTP response codes, authentication, and verbs

## Authentication

Authenticate your account by including your secret key in API requests.

{% content-ref url="/pages/FDQV132TPGmmPBRqKUE9" %}
[Authentication](/legacy/wallet-api/introduction/authentication.md)
{% endcontent-ref %}

## Metadata

Some updatable objects might have a metadata parameter.

{% content-ref url="/pages/VqK9yRYcG4FJmLjtVDZg" %}
[Metadata](/legacy/wallet-api/introduction/metadata.md)
{% endcontent-ref %}

{% hint style="info" %}
**Good to know:** Dive a little deeper and start exploring our API reference to get an idea of everything that's possible with the AP, jump right to the\[ [Authentication](/legacy/card-server-to-server/overview/authentication.md)]\(/pages/FDQV132TPGmmPBRqKUE9)
{% endhint %}


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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://developer.convergegate.com/legacy/wallet-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.