> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nextlevelmca.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Public API, webhooks and AI assistants

> Released 2026-09-05 · API

<Update label="2026-09-05" tags={["API"]}>
  NextLevel MCA can now be built on. A public REST API at `api.nextlevelmca.com/v1` covers businesses, people, deals, documents, lenders, submissions, offers, advances, the merchant portal and webhooks, authenticated with keys you create under **Settings → Developers**. Webhook subscriptions deliver events such as `deal.created` and `offer.received`. An assistant server lets Claude and ChatGPT read and act on your pipeline through the same rules as the API, with sign-in through your workspace. Full documentation under the **Developers** tab of this site.
</Update>

<p><a href="/changelog/changelog">← All updates</a></p>


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.