Integration
Connect Willo to CII & UBL by InvoiceXML
When List Users fires in Willo, your agent runs Create CII Invoice in CII & UBL 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 CII & UBL 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 CII & UBL by InvoiceXML
When List Users in Willo
then Create CII Invoice in CII & UBL by InvoiceXML
When List Users in Willo
then Create UBL Invoice in CII & UBL 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 CII & UBL by InvoiceXML
Triggers and actions 1 trigger · 33 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 CII to UBLTranslates a UN/CEFACT CII invoice XML into a standards-compliant UBL 2.1 XML document, enabling interoperability between systems that use different e-invoice formats.
Action
Convert UBL to CIITransforms a UBL 2.1 invoice XML into a UN/CEFACT CII XML document, bridging compatibility between PEPPOL-based systems and CII-native accounting platforms.
Action
Create CII InvoiceProduces a UN/CEFACT Cross-Industry Invoice (CII) XML document from structured billing data, ready for submission through any EN16931-compliant e-invoicing channel.
Action
Create UBL InvoiceGenerates a standards-compliant UBL 2.1 XML invoice from structured billing data including seller, buyer, line items, and payment details.
Action
Extract Invoice AttachmentsDownload an e-invoice's embedded attachments as a ZIP.
Action
Extract Invoice JSONParses a PDF invoice into machine-readable JSON, reading embedded CII or UBL XML when available and applying AI-based extraction as a fallback for unstructured PDFs.
Action
Extract Invoice XMLPull the CII or UBL XML out of an e-invoice PDF.
Action
Parse Invoice JSONAI-parse any PDF invoice — messy, scanned, or handwritten — into structured JSON.
Action
Render CII to PDFProduce a human-readable PDF from a CII e-invoice.
Action
Render UBL to PDFProduce a human-readable PDF from a UBL e-invoice.
Action
Transform PDF to CIIReads an existing PDF invoice and produces a UN/CEFACT CII XML document using AI-powered data extraction. Ideal for digitising paper-based or scanned invoices into a structured CII format. Note: AI can make mistakes; review output before sending.
Action
Transform PDF to UBLReads an existing PDF invoice and produces a UBL 2.1 XML document using AI-powered data extraction. Useful for onboarding legacy invoices into structured e-invoicing workflows. Note: AI can make mistakes; review output before sending.
Action
Validate CII InvoiceVerifies a UN/CEFACT CII invoice XML against EN16931 semantic rules and XSD schema, returning a detailed compliance report including any rule failures or data inconsistencies.
Action
Validate UBL InvoiceChecks a UBL 2.1 invoice XML against EN16931 business rules and schema constraints, returning a structured validation report with any rule violations or structural errors.
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
Willo and CII & UBL 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 CII & UBL by InvoiceXML when something happens in Willo?
Any of CII & UBL by InvoiceXML's 14 actions, including Create CII Invoice, Create UBL Invoice, Convert CII to UBL and Convert UBL to CII. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from CII & UBL by InvoiceXML to Willo?
CII & UBL by InvoiceXML has no triggers in the catalog today, so automations start in Willo. If you need the other direction, ask: your agent reads CII & UBL by InvoiceXML's API documentation and adds it.
Do I have to build a connector for Willo or CII & UBL 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 CII & UBL 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.