# Testing

<figure><img src="/files/BNDDcnHuuNmKfrIkGXaU" alt=""><figcaption></figcaption></figure>

Before you go live, you'll need to test your integration, and the Number team will need to validate it.&#x20;

To help you with that, we've compiled all the information regarding transaction and consent verification, sandbox cards and test data, penny codes, and return codes into this section.

Here are the articles in this section:

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Testing Overview ></strong></td><td><a href="/pages/wUVboI4eOhJWCOyp3wqM">/pages/wUVboI4eOhJWCOyp3wqM</a></td></tr><tr><td><strong>Global Payments Testing ></strong></td><td><a href="/pages/8kffWViK5hCECrzP0h6q">/pages/8kffWViK5hCECrzP0h6q</a></td></tr><tr><td><strong>First Data Testing ></strong></td><td><a href="/pages/6gsYOpCclH4j0cm3H82y">/pages/6gsYOpCclH4j0cm3H82y</a></td></tr><tr><td><strong>ACH Testing ></strong></td><td><a href="/pages/jPcKMr1UodE6cMQDYz75">/pages/jPcKMr1UodE6cMQDYz75</a></td></tr></tbody></table>


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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.number.tech/documentation/testing.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.
