--- title: "Connect Call Loop 2.0 to Viral Loops - APIANT.ai" description: "When \"Contact Added to List\" fires in Call Loop 2.0, your agent runs \"Add Participant\" in Viral Loops." canonical: "https://apiant.ai/connect/call-loop-2-0-to-viral-loops" --- # Connect Call Loop 2.0 to Viral Loops When **Contact Added to List** fires in [Call Loop 2.0](https://apiant.ai/connections/call-loop-2-0), your agent runs **Add Participant** in [Viral Loops](https://apiant.ai/connections/viral-loops). 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 Viral Loops **11** 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 Viral Loops 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 Viral Loops - When **Contact Added to List** in Call Loop 2.0 then **Add Participant** in Viral Loops - When **Contact Created or Updated** in Call Loop 2.0 then **Update participant** in Viral Loops 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 Viral Loops ## Triggers and actions 2 triggers · 24 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 Participant** Registers a new participant in a Viral Loops campaign, optionally crediting the participant who referred them. - Action **Convert Participant** Records a conversion for a registered participant in a Viral Loops campaign, optionally with a conversion value. - Action **Find participants** Searches a campaign's participants by name or email, optionally filtered by conversion status and source. Returns up to 100 matching participants. - Action **Flag participant** Flags a participant so they are removed from the campaign's waiting list or leaderboard without being deleted from the campaign. - Action **Get campaign** Returns the configuration and public information of the connected campaign, such as its name, company name, type and landing page. - Action **Get campaign stats** Returns the number of leads and the total referral count of your Viral Loops campaign. - Action **Get participant** Returns a single campaign participant's details, looked up by email or referral code. - Action **Get Participant's Referrer** Returns the participant who referred a given participant in your Viral Loops campaign, looked up by email or referral code. - Action **List participant referrals** Returns the list of people a participant has referred to your campaign, looked up by the participant's email or referral code. - Action **Redeem reward** Redeems a participant's pending reward, moving it from their pending rewards to their given rewards. - Action **Update participant** Updates a participant's first name, last name, referral count, conversion count or custom field values in your Viral Loops campaign. ## 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) - [ **Viral Loops** Viral Loops is a referral marketing platform for busy marketers and founders.](https://apiant.ai/connections/viral-loops) 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 Viral Loops - [ **HubSpot to Viral Loops** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-viral-loops) - [ **Salesforce to Viral Loops** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-viral-loops) - [ **Slack to Viral Loops** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-viral-loops) - [ **Google Sheets to Viral Loops** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-viral-loops) - [ **Gmail to Viral Loops** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-viral-loops) - [ **Google Calendar to Viral Loops** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-viral-loops) Questions ## Call Loop 2.0 and Viral Loops, 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 Viral Loops when something happens in Call Loop 2.0? Any of Viral Loops's 11 actions, including Update participant, Add Participant, Convert Participant and Find participants. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Viral Loops to Call Loop 2.0? Viral Loops 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 Viral Loops's API documentation and adds it. ### ### Do I have to build a connector for Call Loop 2.0 or Viral Loops? 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 Viral Loops 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.