Integration
Connect Quaderno and Zoho Billing
When New Contact fires in Quaderno, your agent runs Create Customer in Zoho Billing, or New Credit Note in Zoho Billing to Add invoice payment in Quaderno. 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 Zoho Billing 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 and Zoho Billing can do together
From Quaderno to Zoho Billing
When New Contact in Quaderno
then Create Customer in Zoho Billing
When New Invoice in Quaderno
then Create New Invoice in Zoho Billing
From Zoho Billing to Quaderno
When New Credit Note in Zoho Billing
then Add invoice payment in Quaderno
When New Customer in Zoho Billing
then Create Contact in Quaderno
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 Zoho Billing
Triggers and actions 18 triggers · 54 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.
Trigger
Cancel SubscriptionTriggered when a subscription is cancelled
Trigger
Invoice PaidFires once for each invoice that reaches Paid status in the selected Zoho Billing organization.
Trigger
New Credit NoteTriggered when a new credit note is created
Trigger
New CustomerTriggered when a new customer is created
Trigger
New InvoiceFires once for each new invoice created in the selected Zoho Billing organization.
Trigger
New ItemFires when a new item is added in Zoho Billing.
Trigger
New QuoteFires once for each new quote created in the selected Zoho Billing organization.
Trigger
New SubscriptionFires once for each new subscription created in the selected Zoho Billing organization.
Trigger
Payment FailureFires when an online payment attempt fails in Zoho Billing (for example a declined card charge).
Trigger
Payment SuccessFires when a new successful customer payment is recorded in Zoho Billing.
Trigger
Subscription About to RenewFires once per billing term for each live subscription that is scheduled to renew, carrying the date of its upcoming renewal.
Trigger
Subscription ActivationFires when a subscription is activated (becomes live) in the selected Zoho Billing organization.
Trigger
Updated CustomerTriggered when a customer is created or updated.
Trigger
Updated InvoiceTriggered when an invoice is created or updated.
Trigger
Void InvoiceFires once for each invoice that is voided in the selected Zoho Billing organization.
Action
Add ChargeCharge a one-time amount against a Zoho Billing subscription. Creates an invoice for the charge, or adds it to the subscription's unbilled charges.
Action
Associate CouponApplies a coupon to an existing subscription in Zoho Billing.
Action
Cancel Invoice WriteOffCancels the write-off on an invoice in Zoho Billing, restoring its unpaid balance.
Action
Cancel SubcriptionCancels a Zoho Billing subscription, either immediately or at the end of the current term.
Action
Create a New QuoteCreate a New Quote for a Customer
Action
Create Credit NoteCreates a credit note for a customer in Zoho Billing.
Action
Create CustomerCreates a new customer.
Action
Create New InvoiceCreates an invoice for a customer in Zoho Billing.
Action
Create New ItemCreate New Item for One time Invoices
Action
Create SubscriptionCreates a new subscription in Zoho Billing, either for an existing customer or for a new customer created in the same call.
Action
Disassociate CouponRemoves the coupon currently applied to a Zoho Billing subscription.
Action
Email an InvoiceEmails an existing invoice to the recipients you specify, with your own subject and message.
Action
Fetch CustomerRetrieve the details of an existing customer in Zoho Billing.
Action
Fetch InvoiceRetrieve the details of a single invoice by its id.
Action
Fetch SubscriptionRetrieve the details of a subscription by its id.
Action
Find CustomerFinds Zoho Billing customers whose email address matches the one supplied, returning the first match and the full list of matches.
Action
Find InvoiceReturns the invoices whose invoice number matches the one you supply.
Action
Find SubscriptionFinds subscriptions by subscription number, customer, or reference, optionally narrowed by status.
Action
Get ItemRetrieves one item by item_id, returning its name, rate, product type, status and custom fields.
Action
Get PaymentRetrieve a payment by id; returns the payment including amount, mode and applied invoices.
Action
Invoice WriteOffWrites off the unpaid balance of a Zoho Billing invoice.
Action
Mark Invoice as SentMarks a draft invoice as sent by changing its status to open, without emailing it to the customer.
Action
Postpone RenewalPostpones a subscription's next renewal (billing) date to a later date. No prorated charges are applied.
Action
Reactivate SubscriptionReactivates a non-renewing Zoho Billing subscription so it keeps renewing for the given number of billing cycles.
Action
Record PaymentRecords a payment received from a customer in Zoho Billing, optionally applying it to one or more invoices.
Action
Update CustomerUpdate an existing customer.
Action
Update Customer StatusMarks a Zoho Billing customer as active or inactive.
Action
Update InvoiceUpdate an existing invoice
Action
Update SubscriptionUpdates the existing subscription
Action
Void InvoiceMarks an invoice as void in Zoho Billing.
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 Zoho Billing, 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 Zoho Billing when something happens in Quaderno?
Any of Zoho Billing's 30 actions, including Create a New Quote, Create Credit Note, Create Customer and Create New Invoice. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Zoho Billing to Quaderno?
Yes. When something happens in Zoho Billing, your agent can act in Quaderno too. This page covers both directions: Zoho Billing's triggers and Quaderno's actions are listed here as well.
Do I have to build a connector for Quaderno or Zoho Billing?
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 Zoho Billing 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.