Integration
Connect Calendly to Factur-X by InvoiceXML
When something happens in Calendly, your agent does the next thing in Factur-X by InvoiceXML. Describe it 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 Calendly and Factur-X by InvoiceXML to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiAny 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 Calendly can start in Factur-X by InvoiceXML
When New scheduled event (polling) in Calendly
then Create Factur-X Invoice in Factur-X by InvoiceXML
When Canceled scheduled event (polling) in Calendly
then Convert CII XML to Factur-X in Factur-X 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 Calendly and Factur-X by InvoiceXML
Triggers and actions 2 triggers · 28 actions
Trigger
Canceled scheduled event (polling)Triggers when a scheduled event is canceled.
Trigger
New scheduled event (polling)Triggers when a new scheduled event is created.
Action
Cancel scheduled eventCancels a scheduled event with a specified reason for the cancellation.
Action
Create single-use scheduling linkCreates a single-use booking link that allows one person to schedule an event.
Action
Get current userReturns the authenticated user's profile including name, email, timezone, and scheduling URL.
Action
Get event typeReturns details for the specified event type.
Action
Get inviteeReturns details about a specific invitee for a scheduled event.
Action
Get invitee next scheduled eventGets the next scheduled event for the invitee specified by their email.
Action
Get scheduled eventReturns details about a specific scheduled event.
Action
Get user availability scheduleReturns details for the specified user availability schedule.
Action
List event inviteesReturns the list of invitees for a scheduled event, optionally filtered by status.
Action
List event type availability schedulesReturns the event type's availability schedules.
Action
List event typesReturns your calendar's event type templates, optionally filtered by scope and active status.
Action
List organization membershipsReturns all members of the connected Calendly organization (paginated). One record per membership: user_email, user_uri, user_name, role.
Action
List scheduled eventsReturns scheduled events, filterable by scope, status, date range, and invitee email.
Action
List user availability schedulesReturns the user's availability schedules.
Action
List webhook subscriptionsReturns all webhook subscriptions for your organization.
Action
Mark invitee as no-showRecords that an invitee did not attend their scheduled event.
Action
Undo invitee no-showRemoves a no-show marking from an invitee.
Action
Update event type availability scheduleReplaces a single host's availability schedule on a Calendly event type with explicit date rules (full overwrite). Built for CalendarConnect: push real Mindbody bookable slots into Calendly so only MBO-bookable times are offered. CRITICAL: the host is targeted by the NESTED availability_rule.user — a top-level user alone is silently ignored and Calendly replaces the OAuth token owner's schedule instead. Always verify stored_user equals the requested host before trusting the result. For round-robin events, call once per host.
Action
Convert CII XML to Factur-XConverts a CII XML invoice into a Factur-X compliant PDF/A-3 with the XML embedded. The API generates a visual PDF rendering of the invoice and packages it with the source CII XML.
Action
Convert Factur-X PDF to CIIExtracts the embedded CII (UN/CEFACT Cross Industry Invoice) XML from a Factur-X PDF and returns it as a standalone XML file.
Action
Convert Factur-X PDF to UBLExtracts the embedded CII XML from a Factur-X PDF and converts it to UBL (Universal Business Language) XML.
Action
Convert UBL XML to Factur-XConverts a UBL XML invoice into a Factur-X compliant PDF/A-3. The API maps UBL to CII, generates a visual PDF rendering, and embeds the CII XML in the PDF/A-3 container.
Action
Create Factur-X InvoiceBuilds a Factur-X invoice from structured header, party, payment, and line-item data, then returns a ready-to-deliver PDF/A-3b file.
Action
Embed XML Into PDF (Factur-X)Takes a PDF and a CII XML and produces a Factur-X compliant PDF/A-3 with the XML attached as factur-x.xml. Use this when you already have both the visual PDF and the structured XML of an invoice and just need the hybrid wrapper.
Action
Extract Invoice JSONPulls invoice fields from a PDF into structured JSON, preferring embedded Factur-X XML when present and falling back to intelligent extraction when not.
Action
Extract Invoice XMLRetrieves machine-readable invoice XML from a PDF, returning embedded Factur-X XML directly or generating compliant XML when none is embedded.
Action
Render CII as PDFRenders a CII (UN/CEFACT Cross Industry Invoice) XML document into a human-readable PDF. The output is a visual PDF, not a Factur-X hybrid file.
Action
Validate Factur-X InvoiceChecks whether a Factur-X invoice is structurally and semantically valid, including schema status, conformance level, and rule-level issues.
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
Calendly and Factur-X by InvoiceXML, answered
What can start an automation from Calendly?
Any of Calendly's 2 triggers in the catalog, including New scheduled event (polling) and Canceled scheduled event (polling). Describe the moment in plain language and your agent picks the right one.
What can your agent do in Factur-X by InvoiceXML when something happens in Calendly?
Any of Factur-X by InvoiceXML's 10 actions, including Create Factur-X Invoice, Convert CII XML to Factur-X, Convert Factur-X PDF to CII and Convert Factur-X PDF to UBL. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Factur-X by InvoiceXML to Calendly?
Factur-X by InvoiceXML has no triggers in the catalog today, so automations start in Calendly. If you need the other direction, ask: your agent reads Factur-X by InvoiceXML's API documentation and adds it.
Do I have to build a connector for Calendly or Factur-X 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.
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.