--- title: "Connect CATS and Invoice Ninja - APIANT.ai" description: "When \"Candidate Updated\" fires in CATS, your agent runs \"Email Invoice\" in Invoice Ninja, or \"New expense\" in Invoice Ninja to \"Create a Contact\" in CATS." canonical: "https://apiant.ai/connect/cats-to-invoice-ninja" --- # Connect CATS and Invoice Ninja When **Candidate Updated** fires in [CATS](https://apiant.ai/connections/cats), your agent runs **Email Invoice** in [Invoice Ninja](https://apiant.ai/connections/invoice-ninja), or **New expense** in Invoice Ninja to **Create a Contact** in CATS. Describe the whole flow and it is built, tested on every scenario and kept running. CATS **14** triggers CATS **21** actions Invoice Ninja **1** trigger Invoice Ninja **10** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want CATS and Invoice Ninja 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 CATS and Invoice Ninja can do together ### From CATS to Invoice Ninja - When **Candidate Updated** in CATS then **Email Invoice** in Invoice Ninja - When **Company Status Changed** in CATS then **Email Quote** in Invoice Ninja ### From Invoice Ninja to CATS - When **New expense** in Invoice Ninja then **Create a Contact** in CATS - When **New expense** in Invoice Ninja then **Create a Task** in CATS 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 CATS and Invoice Ninja ## Triggers and actions 15 triggers · 31 actions - Trigger **Candidate Updated** Triggers when a candidate is updated in CATS. - Trigger **Company Status Changed** Triggers when a company's status is changed in CATS. - Trigger **Company Updated** Triggers when a company is updated in CATS. - Trigger **Contact Status Changed** Triggers when a contact's status changes in CATS. - Trigger **Contact Updated** Triggers when a contact is updated in CATS. - Trigger **Custom Trigger** Triggers when the CATS event you choose fires (any record type: candidate, company, contact, job, pipeline, activity or user). - Trigger **Job Status Changed** Triggers when a job's status changes in CATS, returning the job with its previous and new status ids. - Trigger **New Activity** Triggers when a new activity (call, email, meeting, note) is logged in CATS. - Trigger **New Candidate** Triggers when a new candidate is created in CATS. - Trigger **New Company** Triggers when a new company is created in CATS. - Trigger **New Contact** Triggers when a new contact is created in CATS. - Trigger **New Job** Triggers when a new job order is created in CATS. - Trigger **New Pipeline** Triggers when a candidate is added to a job's pipeline in CATS. - Trigger **Pipeline Updated** Triggers when a pipeline (a candidate's placement on a job) is updated in CATS. - Action **Add Candidate to Pipeline** Adds a candidate to a job's pipeline in CATS and returns the new pipeline record's id. - Action **Change Company Status** Changes the status of a company in CATS, optionally choosing which status-change triggers fire. - Action **Change Contact Status** Changes the status of a contact in CATS, optionally choosing which status triggers fire. - Action **Change Job Status** Changes the status of a job in CATS, optionally choosing which status triggers fire. - Action **Create a Company** Creates a new company record in CATS and returns its ID. - Action **Create a Contact** Creates a contact in CATS linked to a company and owner, and returns the new contact's ID. - Action **Create a Job** Creates a new job order in CATS and returns its ID. - Action **Create a Task** Creates a task in CATS, optionally linked to a candidate, contact, company or job and assigned to a user. - Action **Find a Candidate** Searches CATS candidates by a keyword such as a name or email and returns the matching candidate records. - Action **Find a Company** Searches CATS companies by text and returns the matching companies. - Action **Find a Contact** Searches CATS contacts by text and returns the matching contacts. - Action **Find a Job** Searches CATS jobs by text and returns the matching jobs. - Action **Find a User** Finds CATS users whose email, username or name matches the search term. - Action **Get Activity** Returns a single CATS activity (call, email, meeting, note) by its ID, including the record it is logged against. - Action **Get Pipeline** Returns a single pipeline — a candidate's placement on a job — including its status, workflow and rating. - Action **Get Task** Returns a single CATS task by its ID, including its description, priority, due date, assignee, completion state and the record it concerns. - Action **Log Candidate Activity** Logs an activity (call, email, meeting or other) against a candidate in CATS. - Action **Update Candidate** Updates an existing candidate in CATS, including name, contact details, pay, availability and custom field values. - Action **Update Company** Updates an existing company in CATS, including its name, owner, contact details, address and custom field values. - Action **Update Contact** Updates an existing contact in CATS, including name, owner, company, title, contact details, address and custom field values. - Action **Update Pipeline** Updates the rating of a candidate's pipeline record on a job in CATS. - 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. ## Each app on its own - [ **CATS** CATS is an applicant tracking system. Manage the entire tracking process from posting jobs to leading job...](https://apiant.ai/connections/cats) - [ **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) Reviews ## What our customers say ## More from CATS - [ **CATS to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/cats-to-hubspot) - [ **CATS to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/cats-to-salesforce) - [ **CATS to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/cats-to-slack) - [ **CATS to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/cats-to-google-sheets) - [ **CATS to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/cats-to-gmail) - [ **CATS to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/cats-to-google-calendar) ## More into Invoice Ninja - [ **HubSpot to Invoice Ninja** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-invoice-ninja) - [ **Google Sheets to Invoice Ninja** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-invoice-ninja) - [ **Gmail to Invoice Ninja** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-invoice-ninja) - [ **Google Calendar to Invoice Ninja** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-invoice-ninja) - [ **Google Drive to Invoice Ninja** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-invoice-ninja) - [ **ActiveCampaign to Invoice Ninja** ActiveCampaign is a marketing automation, email marketing, and CRM platform.](https://apiant.ai/connect/activecampaign-to-invoice-ninja) Questions ## CATS and Invoice Ninja, answered ### ### What can start an automation from CATS? Any of CATS's 14 triggers in the catalog, including Candidate Updated, Company Status Changed, Company Updated and Contact Status Changed. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Invoice Ninja when something happens in CATS? Any of Invoice Ninja's 10 actions, including Email Invoice, Email Quote, Find Client and Find Credit. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Invoice Ninja to CATS? Yes. When something happens in Invoice Ninja, your agent can act in CATS too. This page covers both directions: Invoice Ninja's triggers and CATS's actions are listed here as well. ### ### Do I have to build a connector for CATS or Invoice Ninja? 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 CATS and Invoice Ninja 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.