--- title: "Connect Flatfile to 44API - APIANT.ai" description: "When \"New Agent\" fires in Flatfile, your agent runs \"Validate VAT Numbers Batch\" in 44API." canonical: "https://apiant.ai/connect/flatfile-to-44api" --- # Connect Flatfile to 44API When **New Agent** fires in [Flatfile](https://apiant.ai/connections/flatfile), your agent runs **Validate VAT Numbers Batch** in [44API](https://apiant.ai/connections/44api). Describe the whole flow and it is built, tested on every scenario and kept running. Flatfile **8** triggers Flatfile **4** actions 44API **3** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Flatfile and 44API 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 Flatfile can start in 44API - When **New Agent** in Flatfile then **Validate VAT Numbers Batch** in 44API - When **New App** in Flatfile then **Validate VAT Tax Number** in 44API 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 Flatfile and 44API ## Triggers and actions 8 triggers · 7 actions - Trigger **New Agent** Triggers when a new agent is created. - Trigger **New App** Triggers when a new app is created. - Trigger **New Document** Triggers when a new document is created in a space. - Trigger **New Event** Triggers when a new event occurs in Flatfile. - Trigger **New Prompt** Triggers when a new prompt is created. - Trigger **New Sheet** Trigger when a new sheet is created in a Flatfile workbook. - Trigger **New User** Triggers when a new user is created. - Trigger **New Workbook** Trigger when a new workbook is created in Flatfile. - Action **Create Document** Creates a new document in Flatfile. - Action **Create Prompt** Creates a new AI prompt in Flatfile. - Action **Get Document** Retrieves a single document from a Flatfile space by its ID. - Action **Upload File** Uploads a file to Flatfile. - Action **Find VAT Validation** Looks up a VAT number and returns validation result. - Action **Validate VAT Numbers Batch** Validates multiple VAT numbers at once (max 10). - Action **Validate VAT Tax Number** Validates a VAT, GST, or tax ID number and returns company information. Supports 50+ countries including EU, UK, Switzerland, Norway, and more. ## Each app on its own - [ **Flatfile** Flatfile is an AI-powered data import and exchange platform that helps teams and businesses seamlessly...](https://apiant.ai/connections/flatfile) - [ **44API** 44API is a VAT & Tax ID Validation service that validates VAT numbers and Tax IDs in 50+ countries with...](https://apiant.ai/connections/44api) Reviews ## What our customers say ## More from Flatfile - [ **Flatfile to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/flatfile-to-hubspot) - [ **Flatfile to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/flatfile-to-salesforce) - [ **Flatfile to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/flatfile-to-slack) - [ **Flatfile to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/flatfile-to-google-sheets) - [ **Flatfile to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/flatfile-to-google-calendar) - [ **Flatfile to Google Drive** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/flatfile-to-google-drive) ## More into 44API - [ **HubSpot to 44API** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-44api) - [ **Salesforce to 44API** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-44api) - [ **Slack to 44API** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-44api) - [ **Google Sheets to 44API** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-44api) - [ **Gmail to 44API** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-44api) - [ **Google Calendar to 44API** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-44api) Questions ## Flatfile and 44API, answered ### ### What can start an automation from Flatfile? Any of Flatfile's 8 triggers in the catalog, including New Agent, New App, New Document and New Event. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in 44API when something happens in Flatfile? Any of 44API's 3 actions, including Find VAT Validation, Validate VAT Numbers Batch and Validate VAT Tax Number. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from 44API to Flatfile? 44API has no triggers in the catalog today, so automations start in Flatfile. If you need the other direction, ask: your agent reads 44API's API documentation and adds it. ### ### Do I have to build a connector for Flatfile or 44API? 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 Flatfile and 44API 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.