Integration
Connect vTiger CRM to ZUGFeRD & XRechnung by InvoiceXML
When New Contact (polling) fires in vTiger CRM, 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 vTiger CRM 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 vTiger CRM can start in ZUGFeRD & XRechnung by InvoiceXML
When New Contact (polling) in vTiger CRM
then Create XRechnung 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 vTiger CRM and ZUGFeRD & XRechnung by InvoiceXML
Triggers and actions 6 triggers · 26 actions
- New Contact (polling)
Fires when a new Contact is created in vTiger. Polls via VTQL ordered by createdtime.
- New event
Triggered when any new event is added to your calendar.
- New Lead (polling)
Fires when a new Lead is created in vTiger. Polls via VTQL ordered by createdtime.
- New opportunity
Triggered when a new opportunity (Potential) is created in vTiger CRM.
- New organization
Triggered when any new organization (Account) is added in vTiger CRM.
- New ticket
Triggered when any new ticket (HelpDesk record) is added.
- Create Account
Create an Account (organization) in vTiger. Provide accountname (required) plus any other Account fields.
- Create Contact
Create a Contact in vTiger. Provide lastname (required) and any other Contact fields.
- Create Lead
Create a Lead in vTiger. Provide lastname and company (required) plus any other Lead fields.
- Create Opportunity
Create an Opportunity (Potential) in vTiger. Provide potentialname, related_to, sales_stage, closingdate (required) plus other fields.
- Create Record
Create a record in any vTiger module. Pass elementType (module name) and element (a JSON object of field values).
- Create Ticket
Create a Help Desk Ticket in vTiger. Provide ticket_title, assigned_user_id (required) plus other fields.
- Delete Record
Delete a vTiger record by its id (e.g. 11x123).
- Describe Module
Describe the fields and metadata of a vTiger module.
- Get Current User (me)
Return the logged-in vTiger user — useful as a connection/auth smoke test.
- List Accounts
List Accounts (organizations) via VTQL. Optional limit (default 100).
- List Contacts
List Contacts via VTQL. Optional limit (default 100).
- List Leads
List Leads via VTQL. Optional limit (default 100).
- List Modules (listtypes)
List all accessible vTiger modules (element types).
- List Opportunities
List Opportunities (Potentials) via VTQL. Optional limit (default 100).
- List Tickets
List Help Desk Tickets via VTQL. Optional limit (default 100).
- Query (VTQL)
Run a vTiger Query Language (VTQL) SELECT statement and return matching records.
- Retrieve Record
Retrieve a single record by its vTiger record id (e.g. 11x123).
- Update Record
Update an existing vTiger record. The element JSON must include the record id and all mandatory fields.
- Convert XRechnung to PDF
Renders 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.
- Create XRechnung Invoice
Generates 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.
- Create ZUGFeRD Invoice
Creates a new ZUGFeRD compliant PDF/A-3b invoice from scratch using the provided invoice data.
- Extract Invoice JSON
Reads 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.
- Extract Invoice XML
Pulls the embedded XML invoice out of a hybrid PDF (ZUGFeRD, Factur-X or other PDF/A-3 invoice) and returns it unchanged.
- Transform to ZUGFeRD
Turns a plain PDF invoice into a ZUGFeRD 2.x hybrid invoice (PDF/A-3 with embedded XML) using AI extraction.
- Validate XRechnung Invoice
Validates a CII XML invoice for XRechnung / EN16931 compliance.
- Validate ZUGFeRD Invoice
Validates 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
vTiger CRM and ZUGFeRD & XRechnung by InvoiceXML, answered
What can start an automation from vTiger CRM?
Any of vTiger CRM's 6 triggers in the catalog, including New Contact (polling), New event, New Lead (polling) and New opportunity. 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 vTiger CRM?
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 vTiger CRM?
ZUGFeRD & XRechnung by InvoiceXML has no triggers in the catalog today, so automations start in vTiger CRM. 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 vTiger CRM 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 vTiger CRM 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.