Integration
Connect Willo to ZUGFeRD & XRechnung by InvoiceXML
When List Users fires in Willo, 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 Willo 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 Willo can start in ZUGFeRD & XRechnung by InvoiceXML
When List Users in Willo
then Create XRechnung Invoice in ZUGFeRD & XRechnung by InvoiceXML
When List Users in Willo
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 Willo and ZUGFeRD & XRechnung by InvoiceXML
Triggers and actions 1 trigger · 27 actions
Trigger
List UsersTriggers when a new user is added to your Willo account.
Action
Accept CandidateMarks a participant in a Willo interview as Accepted and returns the updated participant. Can also update the participant's name, phone number and custom ID in the same step.
Action
Add departmentCreates a new department in your Willo organisation and returns the department, including its key and branding.
Action
Add interview from templateCreates a new interview in Willo from one of your interview templates and returns the new interview.
Action
Create CompanyCreates a new company as a child organisation under your Willo organisation, with the owner you name.
Action
Create InterviewCreates a new video interview in Willo with its questions, department, message templates and settings.
Action
Delete interviewDeletes an interview from your Willo account.
Action
Delete participantDeletes a participant from Willo. Returns whether the deletion was confirmed.
Action
Get interviewReturns a Willo interview by its key, including its questions, owner, department, reviewers, message templates and settings. An error occurs if the interview is not found.
Action
Get participantReturns a Willo participant (candidate) with their contact details, status, interview, department, scores and answers.
Action
Get userReturns a Willo user's details, including email, full name, phone, role and status.
Action
Invite SomeoneInvites a person to a Willo interview as a participant and returns the new participant with their invite link.
Action
List departmentsReturns the departments in your Willo organisation, optionally filtered by name, owner email or owner.
Action
List interviewsReturns the interviews in your Willo account, optionally narrowed by department, owner or a search term, and sorted the way you choose.
Action
List message templatesReturns the message templates (email and SMS) in your Willo account, optionally filtered by title, type or trigger.
Action
List participantsReturns the participants in your Willo account, optionally narrowed to an interview, department or owner, or by a text search.
Action
List usersReturns the users in your Willo account with their key, email and full name.
Action
Reject CandidateRejects a candidate by setting the participant's status to Rejected, optionally updating their name, phone or custom ID.
Action
Update interviewUpdates an existing interview's details, questions, reviewers, message templates and settings, changing only the values you provide. Returns the updated interview.
Action
Update participantUpdates a participant's name, phone, status (Accepted or Rejected) or your own reference ID.
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
Reviews
What our customers say
More from Willo
Willo to ZoomZoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based...
Willo to WixThe Wix website builder gives businesses of any size the tools to create, manage and grow a fully integrated...
Willo to LinkedInLinkedIn is a professional networking platform enabling job seekers, companies, and thought leaders to...
Willo to FacebookFacebook is a social media and advertising platform used by individuals and businesses to connect, share...
Willo to AnthropicAnthropic builds Claude, a family of large language models.
Willo to SupabaseSupabase is an open-source backend-as-a-service providing a Postgres database, authentication, storage, and...
More into ZUGFeRD & XRechnung by InvoiceXML
Freshworks CRM to ZUGFeRD & XRechnung by InvoiceXMLFreshworks CRM (Freshsales Suite) — manage contacts, sales accounts, deals, notes, tasks, and appointments.
Open Government, Netherlands to ZUGFeRD & XRechnung by InvoiceXMLNetherlands Government Open Data. Public open-data portal — search dataset catalogs and retrieve published...
Paperless to ZUGFeRD & XRechnung by InvoiceXMLPaperless lets you create, sign, and manage intelligent documents on a single platform.
Smartsheet to ZUGFeRD & XRechnung by InvoiceXMLSmartsheet is a work execution platform for managing sheets, rows, and columns.
HubSpot to ZUGFeRD & XRechnung by InvoiceXMLHubSpot is your all-in-one stop for all of your marketing software needs.
Salesforce to ZUGFeRD & XRechnung by InvoiceXMLSalesforce is a leading enterprise customer relationship management (CRM) platform.
Questions
Willo and ZUGFeRD & XRechnung by InvoiceXML, answered
What can start an automation from Willo?
Any of Willo's 1 trigger in the catalog, including List Users. 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 Willo?
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 Willo?
ZUGFeRD & XRechnung by InvoiceXML has no triggers in the catalog today, so automations start in Willo. 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 Willo 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 Willo 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.