# What's New

{% hint style="info" %}
💬 **Need help?** If you're stuck, ask Eva on ATRIP for instant diagnostics.

<a href="https://www.atriptech.com/" class="button primary" data-icon="comments">Ask Eva</a>
{% endhint %}

Check this page first for recent documentation updates.

{% hint style="success" %}
Latest update: [MCP-Assisted Development](/api-document/readme/quick-start/mcp-assisted-development.md) is now available under **Quick Start**.
{% endhint %}

{% hint style="info" %}
New: [MCP-Assisted Development](/api-document/readme/quick-start/mcp-assisted-development.md) explains where GitBook MCP fits in Atlas API development.
{% endhint %}

### Latest highlight

#### MCP-Assisted Development

Published [MCP-Assisted Development](/api-document/readme/quick-start/mcp-assisted-development.md) under **Quick Start**.

Use it when you need to:

* find the right workflow faster
* understand the next API step in the booking flow
* route issues to the right troubleshooting page

#### Sandbox Validation Test Kit

Published [Sandbox Validation Test Kit](/api-document/readme/quick-start/sandbox-development/sandbox-validation-test-kit.md) under **Quick Start**.

Use it when you need to:

* validate sandbox credentials before coding
* confirm network access and core booking flow readiness
* run `Search`, `Verify`, `Order`, and `Pay` with a ready-made test kit
* recheck sandbox health after credential or IP changes

### Change log

{% updates format="full" %}
{% update date="2026-04-15" %}

## Added MCP-Assisted Development

Published [MCP-Assisted Development](/api-document/readme/quick-start/mcp-assisted-development.md) for teams using GitBook MCP during Atlas API integration.

Use it when you need to:

* find the correct workflow before coding
* understand which identifier or API comes next
* jump from development questions to the right reference or troubleshooting page

The guide also includes prompt patterns and usage boundaries for production-safe development.
{% endupdate %}

{% update date="2026-04-09" %}

## Added Sandbox Validation Test Kit

Published [Sandbox Validation Test Kit](/api-document/readme/quick-start/sandbox-development/sandbox-validation-test-kit.md) for a no-code sandbox validation run.

Use it when you need to:

* confirm credentials and network access before development
* run the core sandbox happy path with Newman
* verify `Search`, `Verify`, `Order`, and `Pay` in one pass
* quickly check sandbox readiness after environment changes

The page also explains the expected final retrieve timeout during ticketing polling.
{% endupdate %}

{% update date="2026-04-08" %}

## Improved Error Codes landing page

Updated [Error Codes](/api-document/troubleshooting-and-support/errors-handing.md) with:

* retry policy guidance
* a quick decision table for high-frequency codes
* high-risk mistakes to avoid during retry
* pattern-based checks for common integration issues

This makes the page more useful as the main troubleshooting entry point.
{% endupdate %}

{% update date="2026-04-03" %}

## Added Hybrid Payment Guide

Published [Hybrid Payment Guide](/api-document/readme/booking-overview/payment-and-ticketing/hybrid-payment-guide.md) under **Payment & Ticketing**.

Use it when you need to:

* switch from VCC pass-through to deposit
* decide whether to reuse or regenerate an order
* handle hybrid payment fallback in ATRIP and API flows
  {% endupdate %}
  {% endupdates %}


---

# 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://resources.atriptech.com/api-document/whats-new.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.