Integration
Connect Keap to ZUGFeRD & XRechnung by InvoiceXML
When New Contact fires in Keap, your agent runs Create XRechnung Invoice in ZUGFeRD & XRechnung by InvoiceXML. 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 Keap and ZUGFeRD & XRechnung by InvoiceXML 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 Keap can start in ZUGFeRD & XRechnung by InvoiceXML
When New Contact in Keap
then Create XRechnung Invoice in ZUGFeRD & XRechnung by InvoiceXML
When Updated Contact in Keap
then Create ZUGFeRD Invoice in ZUGFeRD & XRechnung by InvoiceXML
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 Keap and ZUGFeRD & XRechnung by InvoiceXML
Triggers and actions 2 triggers · 45 actions
Trigger
New ContactPolling trigger: fires when a new contact is created in Keap.
Trigger
Updated ContactPolling trigger: fires when a contact is updated in Keap.
Action
Add contact to campaign sequenceAdds one or more contacts to a sequence in a Keap campaign and returns the result for each contact.
Action
Add orderCreates a one-time order for a contact in Keap, with its order items.
Action
Add productCreates a new product in Keap with a name, price and description, plus optional SKU, tax, shipping and inventory settings.
Action
Apply Tag to ContactApply one or more tags to a contact.
Action
Create CompanyCreate a new company.
Action
Create ContactCreate a new Keap contact.
Action
Create Contact Custom FieldCreate a new custom field on the contact model.
Action
Create NoteCreate a note attached to a contact.
Action
Create OpportunityCreate a sales opportunity.
Action
Create TagCreate a new tag, optionally in a category.
Action
Create TaskCreate a task, optionally linked to a contact.
Action
Delete ContactDelete a Keap contact by ID.
Action
Delete noteDeletes a note from a Keap contact's record.
Action
Delete taskDeletes a task in Keap by its ID.
Action
Get companyReturns a single Keap company by its ID, including address, contact details and custom fields.
Action
Get ContactRetrieve a Keap contact by ID.
Action
Get Contact TagsList tags applied to a contact.
Action
Get noteReturns a single note on a Keap contact, including its title, text, type and assigned user.
Action
Get opportunityReturns one Keap opportunity by its id, including its contact, stage, owner, revenue projections and custom field values.
Action
Get orderReturns a single Keap order by its id, including the contact, order items, totals, payment plan and shipping information.
Action
Get productReturns a single Keap product by its ID, including price, inventory, options and subscription plans.
Action
Get taskReturns a single Keap task by its ID, including its title, due time, priority, assignee and completion status.
Action
List campaignsReturns the campaigns in your Keap account, optionally filtered by name and sorted.
Action
List CompaniesList companies.
Action
List Contact Custom FieldsRetrieve the contact model including custom fields.
Action
List ContactsList Keap contacts, optionally filtered by email.
Action
List notesReturns the notes recorded on a Keap contact, optionally filtered by title, assigned user or time range.
Action
List productsReturns a list of products in your Keap account, optionally filtered by name.
Action
List TagsList all tags.
Action
List usersReturns the users of the Keap account, optionally filtered by email or name.
Action
Remove Tag from ContactRemove a tag from a contact.
Action
Send emailSends an email from a Keap user to one or more contacts.
Action
Update companyUpdates an existing company in Keap with the values you provide; fields left blank are not changed.
Action
Update ContactUpdate an existing Keap contact by ID.
Action
Update noteUpdates an existing note on a Keap contact, changing its title, type, text, pin state or assigned user.
Action
Update opportunityUpdates an existing opportunity in Keap, changing only the details you fill in.
Action
Update taskUpdates an existing task in Keap, changing only the details you provide.
Action
Convert XRechnung to PDFRenders an XRechnung invoice XML file (UBL or CII syntax) into a readable PDF preview. The PDF is for human reading only and has no legal standing.
Action
Create XRechnung InvoiceGenerates a validated XRechnung 3.0 e-invoice (UBL by default, or CII) from structured invoice data and returns the XML document. Totals and the VAT breakdown are calculated from the lines unless supplied.
Action
Create ZUGFeRD InvoiceCreates a new ZUGFeRD compliant PDF/A-3b invoice from scratch using the provided invoice data.
Action
Extract Invoice JSONReads a structured e-invoice (a Factur-X / ZUGFeRD / Peppol PDF with embedded CII or UBL XML, or a standalone CII or UBL XML file) and returns its data as structured JSON. Pure XML parsing, no AI.
Action
Extract Invoice XMLPulls the embedded XML invoice out of a hybrid PDF (ZUGFeRD, Factur-X or other PDF/A-3 invoice) and returns it unchanged.
Action
Transform to ZUGFeRDTurns a plain PDF invoice into a ZUGFeRD 2.x hybrid invoice (PDF/A-3 with embedded XML) using AI extraction.
Action
Validate XRechnung InvoiceValidates a CII XML invoice for XRechnung / EN16931 compliance.
Action
Validate ZUGFeRD InvoiceValidates a ZUGFeRD 2.x hybrid PDF invoice against the official schema and EN 16931 business rules for the profile it declares, and returns whether it is compliant along with any errors and warnings.
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
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Questions
Keap and ZUGFeRD & XRechnung by InvoiceXML, answered
What can start an automation from Keap?
Any of Keap's 2 triggers in the catalog, including New Contact and Updated Contact. Describe the moment in plain language and your agent picks the right one.
What can your agent do in ZUGFeRD & XRechnung by InvoiceXML when something happens in Keap?
Any of ZUGFeRD & XRechnung by InvoiceXML's 8 actions, including Create XRechnung Invoice, Create ZUGFeRD Invoice, Convert XRechnung to PDF and Extract Invoice JSON. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from ZUGFeRD & XRechnung by InvoiceXML to Keap?
ZUGFeRD & XRechnung by InvoiceXML has no triggers in the catalog today, so automations start in Keap. If you need the other direction, ask: your agent reads ZUGFeRD & XRechnung by InvoiceXML's API documentation and adds it.
Do I have to build a connector for Keap or ZUGFeRD & XRechnung by InvoiceXML?
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 Keap and ZUGFeRD & XRechnung by InvoiceXML 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.