Integration
Connect Fourthwall and Rex
When New Donation fires in Fourthwall, your agent runs Create Lead in Rex, or Appraisal Created in Rex to Create Flat Rate Off Shop Promotion in Fourthwall. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want Fourthwall and Rex to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What Fourthwall and Rex can do together
From Fourthwall to Rex
When New Donation in Fourthwall
then Create Lead in Rex
From Rex to Fourthwall
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with Fourthwall and Rex
Triggers and actions 26 triggers · 10 actions
- New Donation
Triggers when a new donation is created.
- New Gift Purchase
Triggers when a new gift purchase is created.
- Newsletter Subscribed
Triggers when a new newsletter subscription is created.
- Order Placed
Triggers when a new order is placed.
- Order Updated
Triggers when an order is updated (status change, shipping address change, or email change).
- Product Created
Triggers when a new product is created.
- Product Updated
Triggers when a product is changed.
- Promotion Created
Triggers when a new promotion is created.
- Promotion Updated
Triggers when a promotion is changed.
- Subscription Changed
Triggers when a membership subscription is changed, e.g from one tier to another.
- Subscription Expired
Triggers when a membership subscription expires.
- Subscription Purchased
Triggers when a new membership subscription is purchased.
- Create Flat Rate Off Shop Promotion
Creates a flat rate off shop promotion.
- Create % Off Membership Promotion
Creates a % off Membership promotion.
- Create % Off Shop Promotion
Creates a % off Shop promotion.
- Appraisal Created
Triggers when a new appraisal is created in Rex.
- Calendar Event Created
Triggers when a new calendar event is created in Rex.
- Calendar Event Updated
Triggers when a calendar event is updated in Rex.
- Contact Created
Triggers when a new contact is created in Rex.
- Contact Updated
Triggers when a contact is updated in Rex.
- Contract Created
Triggers when a new contract is created in Rex.
- Contract Status Changed
Triggers when a Rex contract's status changes.
- Lead Created
Triggers when a new lead is received or created in Rex.
- Listing Created
Triggers when a new listing is created in Rex.
- Listing Published
Triggers when a Rex listing is published.
- Listing Sold/Leased
Triggers when a Rex listing is marked as sold or leased.
- Listing Updated
Triggers when a listing is updated in Rex.
- Note Created
Triggers when a new note is created in Rex.
- Property Updated
Triggers when a property is updated in Rex.
- Add Tag
Adds a tag to a Rex contact.
- Assign Lead
Assigns an existing Rex lead to a user.
- Create Lead
Creates a lead in Rex, optionally linked to a contact and listing and assigned to a user.
- Create Match Profile
Creates a buyer/renter match profile for a Rex contact.
- Create Note
Creates a note in Rex, optionally linked to a contact.
- Create Reminder
Creates a reminder in Rex for the record owner, optionally linked to a contact.
- Search for Full Calendar Event
Returns the latest full data for a Rex calendar event by its ID.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
More from Fourthwall
Fourthwall to Odoo CRMOdoo is a powerful open source platform with dozens of apps to help you grow your business.
Fourthwall to Open NotifyOpen Notify is a small public service that republishes NASA space data as simple JSON.
Fourthwall to UrlboxUrlbox is a screenshot API that allows you to generate images, PDFs and video from a URL or HTML.
Fourthwall to HubSpotHubSpot is your all-in-one stop for all of your marketing software needs.
Fourthwall to SalesforceSalesforce is a leading enterprise customer relationship management (CRM) platform.
Fourthwall to SlackSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
More into Rex
Google Sheets to RexGoogle Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.
Gmail to RexGmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Google Calendar to RexGoogle Calendar is a time management tool providing scheduling features, event reminders, and integration...
Google Drive to RexGoogle Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...
Mailchimp to RexMailchimp marketing automation and email platform.
Questions
Fourthwall and Rex, answered
What can start an automation from Fourthwall?
Any of Fourthwall's 12 triggers in the catalog, including New Donation, New Gift Purchase, Order Updated and Product Created. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Rex when something happens in Fourthwall?
Any of Rex's 7 actions, including Create Lead, Create Match Profile, Create Note and Create Reminder. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Rex to Fourthwall?
Yes. When something happens in Rex, your agent can act in Fourthwall too. This page covers both directions: Rex's triggers and Fourthwall's actions are listed here as well.
Do I have to build a connector for Fourthwall or Rex?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
Can my AI client use Fourthwall and Rex without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.