--- title: "Connect 2Chat to fastbill - APIANT.ai" description: "When \"Incoming Call Completed\" fires in 2Chat, your agent runs \"Add Payment for Invoice\" in fastbill." canonical: "https://apiant.ai/connect/2chat-to-fastbill" --- # Connect 2Chat to fastbill When **Incoming Call Completed** fires in [2Chat](https://apiant.ai/connections/2chat), your agent runs **Add Payment for Invoice** in [fastbill](https://apiant.ai/connections/fastbill). Describe the whole flow and it is built, tested on every scenario and kept running. 2Chat **13** triggers 2Chat **1** action fastbill **18** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want 2Chat and fastbill 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 2Chat can start in fastbill - When **Incoming Call Completed** in 2Chat then **Add Payment for Invoice** in fastbill - When **New WhatsApp Conversation** in 2Chat then **Create Customer** in fastbill 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 2Chat and fastbill ## Triggers and actions 13 triggers · 19 actions - Trigger **Call Status Update** Triggers when a call changes state. E.g.: ringing, missed, answered, canceled, completed, etc. - Trigger **Incoming Call Completed** Triggers when an incoming phone call is completed (answered or missed). - Trigger **New WhatsApp Conversation** Triggers when a new WhatsApp conversation is started on your 2Chat connected number. - Trigger **New WhatsApp Message** Triggers when a new message is either sent or received on 2Chat. Works for messages sent by agents or sent by your users/customers. - Trigger **Outgoing Call Completed** Triggers when an outgoing phone call is completed (answered or canceled). - Trigger **Participant Joined a WhatsApp Group** Triggers when someone joins a WhatsApp Group - Trigger **Participant Left a WhatsApp Group** Triggers when someone leaves a WhatsApp Group - Trigger **Participant Was Removed From a WhatsApp Group** Triggers when someone is removed from a WhatsApp Group - Trigger **WhatsApp Audio Message Transcribed** Triggers when a new WhatsApp audio message is transcribed to text. - Trigger **WhatsApp Call Made** Triggers when a new WhatsApp call is made from your connected number. - Trigger **WhatsApp Call Received** Triggers when a new WhatsApp call is received on your connected number. - Trigger **WhatsApp Group Message Received** Triggers when a new WhatsApp Group Message is received - Trigger **WhatsApp Order Received** Triggers when a WhatsApp Order is received on your 2Chat connected number. - Action **Create Contact** Creates a Contact in 2Chat - Action **Add Payment for Invoice** Adds full payment for invoice - Action **Add Payment for Revenue** Adds full payment for revenue - Action **Create Customer** Creates a new customer in FastBill - Action **Create Invoice** Creates a new invoice - Action **Create Offer** Creates a new offer in FastBill - Action **Create Revenue** Creates a revenue entry - Action **Delete Customer** Delete a FastBill customer by ID. - Action **Delete Invoice** Delete a FastBill invoice by ID. - Action **Delete Offer** Delete a FastBill offer/estimate by ID. - Action **Finalize Invoice** Converts an invoice draft to a final invoice - Action **Get Customer** Fetch a single FastBill customer by ID. - Action **Get Invoice** Fetch a single FastBill invoice by ID. - Action **Get Offer** Fetch a single FastBill offer/estimate by ID. - Action **Search Customer** Search for a Customer - Action **Search Invoice** Find an invoice - Action **Send Invoice by Email** Send an invoice by email - Action **Update Customer** Update fields on an existing FastBill customer. - Action **Update Invoice** Update fields on an existing (draft) FastBill invoice. ## Each app on its own - [ **2Chat** 2Chat is a conversational commerce automation tool for WhatsApp, Instagram, Messenger, and SMS.](https://apiant.ai/connections/2chat) - [ **fastbill** FastBill is a cloud app for German invoicing & accounting.](https://apiant.ai/connections/fastbill) Reviews ## What our customers say ## More from 2Chat - [ **2Chat to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/2chat-to-hubspot) - [ **2Chat to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/2chat-to-salesforce) - [ **2Chat to GatewayAPI SMS** GatewayAPI SMS is an API service providing out- and ingoing SMS message services at competitive prices.](https://apiant.ai/connect/2chat-to-gatewayapi-sms) - [ **2Chat to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/2chat-to-slack) - [ **2Chat to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/2chat-to-google-sheets) - [ **2Chat to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/2chat-to-gmail) ## More into fastbill - [ **FreeAgent to fastbill** FreeAgent is cloud accounting software for small businesses and freelancers — manage contacts, invoices...](https://apiant.ai/connect/freeagent-to-fastbill) - [ **HubSpot to fastbill** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-fastbill) - [ **Salesforce to fastbill** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-fastbill) - [ **Slack to fastbill** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-fastbill) - [ **Google Sheets to fastbill** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-fastbill) - [ **Gmail to fastbill** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-fastbill) Questions ## 2Chat and fastbill, answered ### ### What can start an automation from 2Chat? Any of 2Chat's 13 triggers in the catalog, including Incoming Call Completed, New WhatsApp Conversation, New WhatsApp Message and Outgoing Call Completed. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in fastbill when something happens in 2Chat? Any of fastbill's 18 actions, including Create Customer, Create Invoice, Create Offer and Create Revenue. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from fastbill to 2Chat? fastbill has no triggers in the catalog today, so automations start in 2Chat. If you need the other direction, ask: your agent reads fastbill's API documentation and adds it. ### ### Do I have to build a connector for 2Chat or fastbill? 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 2Chat and fastbill 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.