--- title: "Connect Call Loop 2.0 to Knock - APIANT.ai" description: "When \"Contact Added to List\" fires in Call Loop 2.0, your agent runs \"Add user\" in Knock." canonical: "https://apiant.ai/connect/call-loop-2-0-to-knock" --- # Connect Call Loop 2.0 to Knock When **Contact Added to List** fires in [Call Loop 2.0](https://apiant.ai/connections/call-loop-2-0), your agent runs **Add user** in [Knock](https://apiant.ai/connections/knock). Describe the whole flow and it is built, tested on every scenario and kept running. Call Loop 2.0 **2** triggers Call Loop 2.0 **13** actions Knock **8** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Call Loop 2.0 and Knock 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 Call Loop 2.0 can start in Knock - When **Contact Added to List** in Call Loop 2.0 then **Add user** in Knock - When **Contact Created or Updated** in Call Loop 2.0 then **Get user** in Knock 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 Call Loop 2.0 and Knock ## Triggers and actions 2 triggers · 21 actions - Trigger **Contact Added to List** Triggers when a contact is added to the selected Call Loop list. - Trigger **Contact Created or Updated** Triggers when a contact is created or updated in Call Loop. - Action **Add list** Creates a new contact list in Call Loop and returns the created list. - Action **Create (Update) Contact** Creates a contact, or updates the existing contact with the same phone number, and returns the saved contact. - Action **Delete contact** Permanently deletes one or more contacts by ID and returns a confirmation with the number deleted. - Action **Find contacts by search term** Returns the Call Loop contacts that match a search term, optionally narrowed by status and subscription state. - Action **Get contact** Returns one Call Loop contact by its ID, including its status, subscription state, lists, custom field values and messaging activity. An error occurs if the contact is not found. - Action **Get message** Returns a message's current delivery status and details, looked up by its ID or state UUID. An error occurs if the message is not found. - Action **List contacts** Returns the contacts in your Call Loop organization, optionally filtered by status, search text or subscription state. Deleted contacts are not included. - Action **Send Ringless Voicemail** Queues a ringless voicemail drop to a phone number using an audio file already in your Call Loop account. Returns the queued message and its delivery state. - Action **Send SMS / MMS Message** Queues one SMS or MMS message to a phone number from a number on your Call Loop account, and returns the queued message with its status. - Action **Send Voice Broadcast** Queues one outbound voice call to a phone number, playing an uploaded audio file on live answer, as a voicemail, or both. Returns the queued message and its status. - Action **Update contact** Updates an existing Call Loop contact by ID, changing only the fields you fill in, and returns the saved contact. - Action **Update list** Renames an existing contact list and returns the updated list. - Action **Update Opt-In Status** Sets whether one contact is subscribed to text messages and to calls and ringless voicemail. No message is sent. - Action **Add object** Creates an object in a Knock collection, or updates it if an object with that ID already exists, setting its name, locale, time zone, custom properties, channel data and preferences. - Action **Add user** Create a user in Knock, or update an existing one with the same user id (only the supplied properties change). - Action **Delete object** Permanently removes an object from the specified collection. This cannot be undone. - Action **Delete user** Permanently delete a Knock user and all associated data. - Action **Get object** Retrieves a specific object by its ID from a collection, including all of its custom properties. - Action **Get user** Retrieve a single Knock user by id. - Action **List objects** Lists the objects in a Knock collection, optionally with their preferences. - Action **List users** List all users in the Knock account, paginated. ## Each app on its own - [ **Call Loop 2.0** Call Loop is an all-in-one SMS Texting, Voice Broadcasts, & Ringless Voicemail platform.](https://apiant.ai/connections/call-loop-2-0) - [ **Knock** Notification infrastructure API for sending multi-channel messages: email, SMS, push, in-app, and chat...](https://apiant.ai/connections/knock) Reviews ## What our customers say ## More from Call Loop 2.0 - [ **Call Loop 2.0 to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/call-loop-2-0-to-hubspot) - [ **Call Loop 2.0 to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/call-loop-2-0-to-salesforce) - [ **Call Loop 2.0 to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/call-loop-2-0-to-slack) - [ **Call Loop 2.0 to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/call-loop-2-0-to-google-sheets) - [ **Call Loop 2.0 to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/call-loop-2-0-to-gmail) - [ **Call Loop 2.0 to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/call-loop-2-0-to-google-calendar) ## More into Knock - [ **EquipDash to Knock** EquipDash is a AI-powered equipment rental and tour booking software built for outdoor recreation operators.](https://apiant.ai/connect/equipdash-to-knock) - [ **HubSpot to Knock** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-knock) - [ **Salesforce to Knock** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-knock) - [ **Slack to Knock** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-knock) - [ **Google Sheets to Knock** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-knock) - [ **Gmail to Knock** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-knock) Questions ## Call Loop 2.0 and Knock, answered ### ### What can start an automation from Call Loop 2.0? Any of Call Loop 2.0's 2 triggers in the catalog, including Contact Added to List and Contact Created or Updated. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Knock when something happens in Call Loop 2.0? Any of Knock's 8 actions, including Add object, Add user, Get object and Get user. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Knock to Call Loop 2.0? Knock has no triggers in the catalog today, so automations start in Call Loop 2.0. If you need the other direction, ask: your agent reads Knock's API documentation and adds it. ### ### Do I have to build a connector for Call Loop 2.0 or Knock? 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 Call Loop 2.0 and Knock 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.