Integration
Connect Quaderno to OpenRegister
When New Contact fires in Quaderno, your agent runs Get Company Contact Information in OpenRegister. 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 Quaderno and OpenRegister 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 Quaderno can start in OpenRegister
When New Contact in Quaderno
then Get Company Contact Information in OpenRegister
When New Invoice in Quaderno
then Find Company by Name in OpenRegister
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 Quaderno and OpenRegister
Triggers and actions 3 triggers · 38 actions
Trigger
New ContactTriggers when a new contact is created in Quaderno.
Trigger
New InvoiceTriggers when a new invoice is created in Quaderno.
Trigger
New SaleTriggers when a new sale is recorded in Quaderno, i.e. a new invoice or receipt is created.
Action
Add invoice paymentRecords a payment against a Quaderno invoice. When total payments reach the invoice amount, the invoice is marked as paid.
Action
Add productCreates a new product in Quaderno that can be used as a line item on invoices, credit notes and expenses.
Action
Add receiptCreates a paid receipt in Quaderno for a completed sale, with its customer, line items and payment method.
Action
Calculate tax rateCalculates the tax rate and tax amount that applies to a sale for a given customer location and product type.
Action
Create ContactCreates a new contact (customer or vendor) in Quaderno and returns the created contact.
Action
Create EstimateCreates an estimate (proforma) in Quaderno for a customer, with line items, dates and notes.
Action
Create ExpenseCreates an expense in Quaderno for a vendor, with its line items, and returns the new expense.
Action
Create InvoiceCreates an invoice for a customer with line items; optionally records full payment so the invoice is marked paid.
Action
Create Paid InvoiceCreates an invoice for a customer and records a full payment against it, so the invoice is marked paid.
Action
Create SaleRecords a sale in Quaderno, which calculates taxes and issues the matching invoice or receipt for the customer.
Action
Delete contactPermanently deletes a contact (customer or vendor) from your Quaderno account.
Action
Find ContactFinds contacts whose name, email or tax ID matches the search text, or whose payment-processor ID matches.
Action
Find SaleFinds sales (invoices) by invoice number, customer name or PO number, payment processor transaction id, customer, state or issue date range, and returns the matches.
Action
Get contactReturns a single Quaderno contact (customer or vendor) by its ID.
Action
Get EstimateReturns a single estimate (proforma) by its id, including its number, customer, line items, taxes and totals.
Action
Get ExpenseReturns the details of an existing expense in your Quaderno account.
Action
Get invoiceReturns a single invoice by its id, including number, contact, line items, taxes, totals and payments.
Action
Get productReturns a single product (item) from your Quaderno account by its id, including its name, code, price and tax settings.
Action
Get ReceiptReturns a receipt by its id, including number, totals, taxes, contact and payment details.
Action
Update contactUpdates an existing Quaderno contact. Fields left blank keep their current values.
Action
Update invoiceUpdates the editable fields of an existing invoice: PO number, tags, payment details, notes, custom metadata and billing address.
Action
Update productUpdates an existing product in Quaderno. Only the fields you fill in are changed.
Action
Validate tax IDChecks whether a customer's tax ID (EU/UK VAT, ABN, NZBN, QST, Swiss UID) is valid and belongs to a real business.
Action
Void invoiceVoids an existing invoice in Quaderno and returns the voided invoice.
Action
Find Company by NameReturns German companies whose current or historical registered name matches the specified name.
Action
Find Company by URLFinds the German company behind a website URL and returns its company ID plus the email, phone and VAT ID found on the site.
Action
Find Insolvency ProceedingsReturns German insolvency proceedings (companies and natural persons) that match a free-text search and/or structured filters.
Action
Find People by NameReturns people from the German commercial register whose name matches the search text, optionally narrowed by city, date of birth or active status.
Action
Get Company Contact InformationRetrieve contact information for a German company: email, phone, VAT ID and the source web page.
Action
Get Company DetailsReturns the full register record of a German company by its OpenRegister ID.
Action
Get Company FinancialsRetrieves a company's published financial reports (balance sheets and income statements) and key financial indicators from the Bundesanzeiger.
Action
Get Company Historical OwnersRetrieves the full ownership history of a German company (GmbH only) across every shareholder list it has filed.
Action
Get Company HoldingsRetrieves the list of companies that a German company owns or has stakes in, including relation type and share amounts. Costs 10 OpenRegister credits per call.
Action
Get Company OwnersRetrieves the shareholders and owners of a German company, with their ownership percentages, nominal shares and register roles.
Action
Get Company UbosRetrieves the Ultimate Beneficial Owners (natural persons who ultimately own or control the company) of a German company, calculated across the full ownership chain. Costs 25 OpenRegister credits per call.
Action
Get Insolvency ProceedingRetrieve the full record of a single German insolvency proceeding, including its status, debtor, administrator, deadlines, distribution figures and complete event history.
Action
Get Person DetailsRetrieve detailed information about a person listed in the German commercial register: name, date of birth, age, city, and their current and past management positions across companies.
Action
Get Person HoldingsRetrieve the company holdings (ownership stakes) associated with a specific person by person id.
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
Quaderno and OpenRegister, answered
What can start an automation from Quaderno?
Any of Quaderno's 3 triggers in the catalog, including New Contact, New Invoice and New Sale. Describe the moment in plain language and your agent picks the right one.
What can your agent do in OpenRegister when something happens in Quaderno?
Any of OpenRegister's 14 actions, including Find Company by Name, Find Company by URL, Find Insolvency Proceedings and Find People by Name. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from OpenRegister to Quaderno?
OpenRegister has no triggers in the catalog today, so automations start in Quaderno. If you need the other direction, ask: your agent reads OpenRegister's API documentation and adds it.
Do I have to build a connector for Quaderno or OpenRegister?
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 Quaderno and OpenRegister 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.