--- title: "Connect Invoice Ninja and Karbon - APIANT.ai" description: "When \"New expense\" fires in Invoice Ninja, your agent runs \"Create Organization Contact\" in Karbon." canonical: "https://apiant.ai/connect/invoice-ninja-to-karbon" --- # Connect Invoice Ninja and Karbon When **New expense** fires in [Invoice Ninja](https://apiant.ai/connections/invoice-ninja), your agent runs **Create Organization Contact** in [Karbon](https://apiant.ai/connections/karbon), or **New work item** in Karbon to **Email Invoice** in Invoice Ninja. Describe the whole flow and it is built, tested on every scenario and kept running. Invoice Ninja **1** trigger Invoice Ninja **10** actions Karbon **1** trigger Karbon **16** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Invoice Ninja and Karbon to do together? Give your AI client this address. `https://mcp.apiant.ai` One 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.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### 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)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) Example flows ## What Invoice Ninja and Karbon can do together ### From Invoice Ninja to Karbon - When **New expense** in Invoice Ninja then **Create Organization Contact** in Karbon - When **New expense** in Invoice Ninja then **Create Person Contact** in Karbon ### From Karbon to Invoice Ninja - When **New work item** in Karbon then **Email Invoice** in Invoice Ninja - When **New work item** in Karbon then **Email Quote** in Invoice Ninja 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 Invoice Ninja and Karbon ## Triggers and actions 2 triggers · 26 actions - Trigger **New expense** Triggers when a new expense is created in Invoice Ninja. - Action **Delete invoice** Deletes an invoice from your Invoice Ninja company by its id. - Action **Email Invoice** Emails an invoice to its client using the chosen email template, optionally with a custom subject, body and CC address. - Action **Email Quote** Emails an existing quote to its client, using a quote template or a custom subject and body. Returns the confirmation message and the quote that was emailed. - Action **Find Client** Finds clients by name, email, number or search text and returns the matching client records. - Action **Find Credit** Returns the credits that match a credit number, search text, client, status or date. - Action **Find Invoice** Finds invoices by number, search text, client, status or date, and returns the matches with the first one broken out. - Action **Find payments** Returns the payments that match a payment number, search text, client or other criteria. - Action **Find Product** Finds products in Invoice Ninja by name, product key or other filters, returning the matches and the first match. - Action **Find Project** Finds projects whose name, number or notes match the search text and returns the matches. - Action **Find Quote** Returns the quotes that match a quote number, search text, client, status or date criteria. - Trigger **New work item** Triggers when a new work item is created in Karbon. - Action **Add client group** Creates a new client group in Karbon, optionally with members, owner, manager and client team. - Action **Add note** Creates a note in Karbon, optionally assigned to a user and linked to work items, contacts, organizations or client groups. - Action **Add work item** Creates a new work item for a client in Karbon. - Action **Create Organization Contact** Creates a new Organization contact in Karbon. - Action **Create Person Contact** Creates a new person Contact in Karbon and returns the created Contact record. - Action **Find an Organization Contact** Finds Organization contacts in Karbon matching a full name, email address, external key or contact type, and returns the matching organizations. - Action **Find a Person Contact** Finds person contacts in Karbon by email address, full name, phone number, contact type or external key, and returns the matches. - Action **Get work item** Returns the details of a single Karbon work item, including its client, dates, status, fee settings and role assignments. - Action **List invoices** Returns the invoices in your Karbon account, optionally filtered by invoice status and sorted. - Action **List timesheets** Returns 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 users** Returns the users in your Karbon account, optionally filtered by name or email address. - Action **List work items** Returns the work items in your Karbon account, optionally filtered and sorted. - Action **Update client group** Renames an existing Karbon client group by changing its full name. - Action **Update Organization Contact** Updates the name or privacy level of an existing Organization contact in Karbon. - Action **Update Person Contact** Updates the name details or privacy level of an existing Person Contact in Karbon. - Action **Update work item** Updates a Karbon work item's title, description, dates, assignee, work type, role assignments or status. Fields left blank are not changed. ## Each app on its own - [ **Invoice Ninja** Create. Send. Get Paid. Invoice Ninja is a free, code-available suite of apps to invoice clients, accept...](https://apiant.ai/connections/invoice-ninja) - [ **Karbon** Karbon is the collaborative practice management platform for accounting firms.](https://apiant.ai/connections/karbon) Reviews ## What our customers say ## More from Invoice Ninja - [ **Invoice Ninja to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/invoice-ninja-to-salesforce) - [ **Invoice Ninja to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/invoice-ninja-to-slack) - [ **Invoice Ninja to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/invoice-ninja-to-mailchimp) - [ **Invoice Ninja to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/invoice-ninja-to-stripe) - [ **Invoice Ninja to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/invoice-ninja-to-shopify) - [ **Invoice Ninja to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/invoice-ninja-to-quickbooks-online) ## More into Karbon - [ **eSputnik to Karbon** ESputnik is a marketing automation service made to embody the toughest ideas of enterprise level solutions...](https://apiant.ai/connect/esputnik-to-karbon) - [ **HubSpot to Karbon** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-karbon) - [ **Google Sheets to Karbon** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-karbon) - [ **Gmail to Karbon** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-karbon) - [ **Google Calendar to Karbon** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-karbon) - [ **Google Drive to Karbon** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-karbon) Questions ## Invoice Ninja and Karbon, answered ### ### What can start an automation from Invoice Ninja? Any of Invoice Ninja's 1 trigger in the catalog, including New expense. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Karbon when something happens in Invoice Ninja? 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 Invoice Ninja? Yes. When something happens in Karbon, your agent can act in Invoice Ninja too. This page covers both directions: Karbon's triggers and Invoice Ninja's actions are listed here as well. ### ### Do I have to build a connector for Invoice Ninja 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 Invoice Ninja 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.