Integration
Connect Pennylane and Rex
When New Billing Subscription V2 fires in Pennylane, your agent runs Create Lead in Rex, or Appraisal Created in Rex to Create Company Customer V2 in Pennylane. 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 Pennylane 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 Pennylane and Rex can do together
From Pennylane to Rex
When New Billing Subscription V2 in Pennylane
then Create Lead in Rex
From Rex to Pennylane
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 Pennylane and Rex
Triggers and actions 19 triggers · 42 actions
- New Billing Subscription V2
Triggers when a new billing subscription is created in Pennylane.
- New Customer Invoice V2
Triggers when a new customer invoice or credit note is created in Pennylane.
- New Customer V2
Triggers when a new customer (company or individual) is created in Pennylane.
- New Product V2
Triggers when a new product is created in Pennylane.
- New Quote V2
Triggers when a new quote is created in Pennylane.
- Add ledger entry
Creates a ledger entry (journal entry) in Pennylane with balanced debit and credit lines.
- Add supplier
Creates a supplier in Pennylane and returns the new supplier record.
- Create Company Customer V2
Creates a company customer in Pennylane with its billing address, contact and invoicing details, and returns the new customer.
- Create Customer Invoice V2
Creates a draft or finalized customer invoice (or credit note) in Pennylane for an existing customer.
- Create Individual Customer V2
Creates an individual (person) customer in Pennylane with their name, billing address and invoicing preferences.
- Create Product V2
Creates a product in Pennylane with its label, price before tax and VAT rate, and returns the created product.
- Create Quote V2
Creates a quote for a customer in Pennylane, with its line items, dates and optional discount.
- Finalize customer invoice
Finalizes a draft customer invoice or credit note in Pennylane, assigning its number and locking it from further edits.
- Get Billing Subscription V2
Returns one billing subscription, including its schedule, status, customer and invoice settings.
- Get supplier
Returns a single supplier from Pennylane by its id, including contact, address, payment terms and ledger account.
- Get supplier invoice
Returns a single supplier invoice from Pennylane by its ID, including amounts, dates, supplier, and payment status.
- Get transaction
Returns a single bank transaction by its id, including amount, currency, date, bank account, categories and linked customer or supplier.
- List bank accounts
Returns the company's bank accounts with their currency, balance, journal and ledger account.
- List billing subscriptions
Returns the billing subscriptions in the Pennylane company, optionally filtered by status, customer or start date.
- List categories
Returns the analytical categories defined in the Pennylane company, optionally filtered by group, label or code.
- List customer invoices
Returns customer invoices and credit notes, optionally filtered and sorted.
- List customers
Returns a list of company and individual customers in Pennylane, optionally filtered and sorted.
- List ledger accounts
Returns the company's ledger accounts (chart of accounts), up to 1000 per call, optionally filtered by number, id or enabled status.
- List ledger entries
Returns the ledger entries of your Pennylane company, optionally filtered by id, date or journal and sorted by id or date.
- List products
Returns the products in the Pennylane company, optionally filtered by label, reference or id.
- List quotes
Returns the quotes in your Pennylane company, optionally filtered by customer or status.
- List supplier invoices
Returns the supplier invoices in your Pennylane company, optionally filtered and sorted.
- List suppliers
Returns the suppliers in your Pennylane company, optionally filtered and sorted.
- List transactions
Returns the bank transactions in your Pennylane company, optionally filtered by bank account, journal, date or id.
- Retrieve Customer V2
Returns one customer (company or individual) by its Pennylane id, including contact details, addresses and billing settings.
- Retrieve Invoice V2
Returns one customer invoice or credit note, including its amounts, status, customer and links to its lines and payments.
- Retrieve Product V2
Returns one Pennylane product by its id, including price, VAT rate, unit, ledger account and custom field values.
- Retrieve Quote V2
Returns a single quote by its ID, including amounts, status, customer and dates.
- Update Billing Subscription V2
Updates a billing subscription in Pennylane: stop or resume it, change its invoicing mode, payment terms, schedule, customer or invoice content.
- Update Company Customer V2
Updates an existing company customer in Pennylane and returns the updated customer.
- Update customer invoice
Updates a customer invoice in Pennylane. Draft invoices accept all fields; finalized invoices accept only label, external reference, transaction reference, invoice line imputation/performance dates and installments.
- Update Individual Customer V2
Updates an individual (person) customer in Pennylane and returns the updated customer.
- Update Product V2
Updates an existing product in Pennylane, such as its label, price, VAT rate or custom fields.
- Update Quote V2
Updates an existing quote in Pennylane — its dates, customer, texts, discount, language and invoice lines — and returns the updated quote.
- Update supplier
Updates an existing supplier in Pennylane and returns the updated supplier.
- 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
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Questions
Pennylane and Rex, answered
What can start an automation from Pennylane?
Any of Pennylane's 5 triggers in the catalog, including New Billing Subscription V2, New Customer Invoice V2, New Customer V2 and New Product V2. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Rex when something happens in Pennylane?
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 Pennylane?
Yes. When something happens in Rex, your agent can act in Pennylane too. This page covers both directions: Rex's triggers and Pennylane's actions are listed here as well.
Do I have to build a connector for Pennylane 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 Pennylane 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.