Integration
Connect Holded and Karbon
When New Contact fires in Holded, your agent runs Create Organization Contact in Karbon, or New work item in Karbon to Create Purchase Invoice in Holded. 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 Holded and Karbon 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 Holded and Karbon can do together
From Holded to Karbon
When New Contact in Holded
then Create Organization Contact in Karbon
When New Deal in Holded
then Create Person Contact in Karbon
From Karbon to Holded
When New work item in Karbon
then Create Purchase Invoice in Holded
When New work item in Karbon
then Create Purchase Order in Holded
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 Holded and Karbon
Triggers and actions 7 triggers · 28 actions
Trigger
New ContactTriggers when a new contact is created in Holded.
Trigger
New DealTriggers when a new deal (lead) is created in a Holded CRM funnel.
Trigger
New Purchase InvoiceTriggers when a new purchase invoice is created in Holded.
Trigger
New Sales InvoiceTriggers when a new sales invoice is created in Holded.
Trigger
New Sales OrderTriggers when a new sales order is created in Holded.
Trigger
New Sales ReceiptTriggers when a new sales receipt is created in Holded.
Action
Create PaymentRecords a standalone payment in Holded.
Action
Create ProductCreates a product in Holded.
Action
Create Purchase InvoiceCreates a purchase invoice in Holded with its line items.
Action
Create Purchase OrderCreates a purchase order in Holded with its line items.
Action
Create QuoteCreates a quote (estimate) in Holded with its line items.
Action
Create Sales InvoiceCreates a sales invoice in Holded with its line items.
Action
Create Sales OrderCreates a sales order in Holded with its line items.
Action
Create Sales ReceiptCreates a sales receipt in Holded with its line items.
Action
Find ContactFinds Holded contacts by phone, mobile or custom reference ID.
Action
Mark Credit Note as PaidRecords a payment on a credit note, marking it paid.
Action
Send InvoiceEmails a sales invoice to the given addresses.
Action
Send Sales ReceiptEmails a sales receipt to the given addresses.
Trigger
New work itemTriggers when a new work item is created in Karbon.
Action
Add client groupCreates a new client group in Karbon, optionally with members, owner, manager and client team.
Action
Add noteCreates a note in Karbon, optionally assigned to a user and linked to work items, contacts, organizations or client groups.
Action
Add work itemCreates a new work item for a client in Karbon.
Action
Create Organization ContactCreates a new Organization contact in Karbon.
Action
Create Person ContactCreates a new person Contact in Karbon and returns the created Contact record.
Action
Find an Organization ContactFinds Organization contacts in Karbon matching a full name, email address, external key or contact type, and returns the matching organizations.
Action
Find a Person ContactFinds person contacts in Karbon by email address, full name, phone number, contact type or external key, and returns the matches.
Action
Get work itemReturns the details of a single Karbon work item, including its client, dates, status, fee settings and role assignments.
Action
List invoicesReturns the invoices in your Karbon account, optionally filtered by invoice status and sorted.
Action
List timesheetsReturns a list of timesheets from your Karbon account, optionally filtered by date, user, work item or status, with their time entries if requested.
Action
List usersReturns the users in your Karbon account, optionally filtered by name or email address.
Action
List work itemsReturns the work items in your Karbon account, optionally filtered and sorted.
Action
Update client groupRenames an existing Karbon client group by changing its full name.
Action
Update Organization ContactUpdates the name or privacy level of an existing Organization contact in Karbon.
Action
Update Person ContactUpdates the name details or privacy level of an existing Person Contact in Karbon.
Action
Update work itemUpdates a Karbon work item's title, description, dates, assignee, work type, role assignments or status. Fields left blank are not changed.
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 Holded
Holded to HubSpotHubSpot is your all-in-one stop for all of your marketing software needs.
Holded to SalesforceSalesforce is a leading enterprise customer relationship management (CRM) platform.
Holded to SlackSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Holded to MailchimpMailchimp marketing automation and email platform.
Holded to StripeStripe is a payment processing platform for online businesses.
Holded to ShopifyShopify is a commerce platform for online stores and retail point-of-sale.
More into Karbon
HubSpot to KarbonHubSpot is your all-in-one stop for all of your marketing software needs.
Google Sheets to KarbonGoogle Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.
Gmail to KarbonGmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Google Calendar to KarbonGoogle Calendar is a time management tool providing scheduling features, event reminders, and integration...
Google Drive to KarbonGoogle Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...
ActiveCampaign to KarbonActiveCampaign is a marketing automation, email marketing, and CRM platform.
Questions
Holded and Karbon, answered
What can start an automation from Holded?
Any of Holded's 6 triggers in the catalog, including New Contact, New Deal, New Purchase Invoice and New Sales Invoice. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Karbon when something happens in Holded?
Any of Karbon's 16 actions, including Create Organization Contact, Create Person Contact, Update client group and Update Organization Contact. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Karbon to Holded?
Yes. When something happens in Karbon, your agent can act in Holded too. This page covers both directions: Karbon's triggers and Holded's actions are listed here as well.
Do I have to build a connector for Holded or Karbon?
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 Holded and Karbon 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.