--- title: "Connect Vapi to Heymarket SMS - APIANT.ai" description: "When \"New Assistant\" fires in Vapi, your agent runs \"Send Custom Message\" in Heymarket SMS." canonical: "https://apiant.ai/connect/vapi-to-heymarket-sms" --- # Connect Vapi to Heymarket SMS When **New Assistant** fires in [Vapi](https://apiant.ai/connections/vapi), your agent runs **Send Custom Message** in [Heymarket SMS](https://apiant.ai/connections/heymarket-sms). Describe the whole flow and it is built, tested on every scenario and kept running. Vapi **3** triggers Vapi **21** actions Heymarket SMS **14** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Vapi and Heymarket SMS 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 Vapi can start in Heymarket SMS - When **New Assistant** in Vapi then **Send Custom Message** in Heymarket SMS - When **New Call** in Vapi then **Send Template Message** in Heymarket SMS 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 Vapi and Heymarket SMS ## Triggers and actions 3 triggers · 35 actions - Trigger **New Assistant** Triggers when a new assistant is created in your Vapi organization. - Trigger **New Call** Triggers when a new call is created in Vapi, optionally limited to one assistant or phone number. - Trigger **New File** Triggers when a new file is uploaded to your Vapi account. - Action **Add assistant** Creates a new Vapi voice assistant with its model, voice, transcriber, first message and call behavior. - Action **Add phone number** Adds a phone number to Vapi: a free Vapi number, or one you bring from Twilio, Vonage, Telnyx or your own SIP trunk. Returns the new phone number record. - Action **Add squad** Creates a squad: a group of assistants that hand a call off to one another, starting with the first member. - Action **Add tool** Creates a tool in Vapi (for example a function, end-call, transfer-call or API-request tool) that assistants can use during calls. - Action **Create Call** Starts a Vapi call (or a batch of outbound calls) using a saved or one-off assistant, squad or workflow, and returns the created call. - Action **Create Chat** Sends a message to a Vapi assistant or squad as a text chat and returns the chat, including the assistant's reply messages. - Action **Delete assistant** Deletes an assistant from your Vapi account and returns the deleted assistant. - Action **Delete Call Data** Deletes a call and its data, including recordings, and returns the deleted call. - Action **Delete Chat** Deletes a chat from your Vapi account and returns the deleted chat's details. - Action **Delete File** Deletes a file from your Vapi account. - Action **Find Call** Finds calls matching a call id, assistant, phone number, or created/updated date range. Returns up to 1000 matching calls. - Action **Get assistant** Returns a Vapi assistant's full configuration, including its model, voice, transcriber and first message. - Action **Get file** Returns a file uploaded to Vapi, including its name, size, type, processing status and download URL. - Action **List assistants** Returns the voice assistants in your Vapi account, optionally filtered by when they were created or last updated. - Action **List chats** Returns the chats in your Vapi account, optionally filtered by assistant, squad, session or creation/update date. - Action **List files** Returns the files uploaded to your Vapi account, optionally filtered by purpose. - Action **List phone numbers** Returns the phone numbers in your Vapi account, optionally filtered by when they were created or updated. - Action **List tools** Returns the tools configured in your Vapi account, optionally filtered by when they were created or updated. - Action **Update Call** Updates the name of an existing Vapi call. - Action **Update phone number** Updates a Vapi phone number's name, the assistant, squad or workflow that answers it, and its provider settings. - Action **Upload File** Uploads a file to Vapi, for use by assistants or knowledge bases, and returns the stored file record. - Action **Add list** Creates a new contact list in your Heymarket team, optionally adding contacts, phone numbers or emails to it. - Action **Add tag** Creates a new tag in your Heymarket team. - Action **Add template** Creates a message template in your Heymarket team. - Action **Delete contact** Deletes a Heymarket contact by its ID. - Action **Delete list** Deletes a Heymarket contact list, optionally removing given contacts from it first. - Action **Find contacts by criteria** Finds Heymarket contacts by phone number, email or other channel value, or by filter conditions such as name, tag, status or custom fields. - Action **Get contact** Returns a Heymarket contact by its ID, including name, phone, email, tags, notes and custom field values. - Action **Get conversation** Returns a Heymarket conversation by its ID, including its status, inbox, assignee, target number and members. - Action **Get list** Returns a single Heymarket list by its ID, including its name, sharing and archive status. - Action **List inboxes** Returns every inbox on your Heymarket team, with its name, phone numbers and members. - Action **Opt out number** Opts a phone number out of messaging, either team-wide or for selected inboxes. - Action **Send Custom Message** Sends a custom SMS/MMS message from a Heymarket inbox to a phone number, an existing chat, a group of numbers, or a list (broadcast). Can also post a private comment in a conversation. - Action **Send Template Message** Sends a saved Heymarket template as a text message to a phone number, an existing conversation, or a list. - Action **Update List** Updates a Heymarket list's name and adds or removes its contacts, phone numbers and email addresses. ## Each app on its own - [ **Vapi** Vapi is a developer-first Voice AI platform for building natural, low-latency, multilingual phone agents via...](https://apiant.ai/connections/vapi) - [ **Heymarket SMS** Heymarket SMS is a business texting with customers and employees.](https://apiant.ai/connections/heymarket-sms) Reviews ## What our customers say ## More from Vapi - [ **Vapi to Zoom** Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based...](https://apiant.ai/connect/vapi-to-zoom) - [ **Vapi to Webflow** Webflow is a professional website builder and CMS for designing, building, and launching responsive...](https://apiant.ai/connect/vapi-to-webflow) - [ **Vapi to Wix** The Wix website builder gives businesses of any size the tools to create, manage and grow a fully integrated...](https://apiant.ai/connect/vapi-to-wix) - [ **Vapi to LinkedIn** LinkedIn is a professional networking platform enabling job seekers, companies, and thought leaders to...](https://apiant.ai/connect/vapi-to-linkedin) - [ **Vapi to Facebook** Facebook is a social media and advertising platform used by individuals and businesses to connect, share...](https://apiant.ai/connect/vapi-to-facebook) - [ **Vapi to Anthropic** Anthropic builds Claude, a family of large language models.](https://apiant.ai/connect/vapi-to-anthropic) ## More into Heymarket SMS - [ **HubSpot to Heymarket SMS** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-heymarket-sms) - [ **Salesforce to Heymarket SMS** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-heymarket-sms) - [ **Slack to Heymarket SMS** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-heymarket-sms) - [ **Google Sheets to Heymarket SMS** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-heymarket-sms) - [ **Gmail to Heymarket SMS** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-heymarket-sms) - [ **Google Calendar to Heymarket SMS** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-heymarket-sms) Questions ## Vapi and Heymarket SMS, answered ### ### What can start an automation from Vapi? Any of Vapi's 3 triggers in the catalog, including New Assistant, New Call and New File. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Heymarket SMS when something happens in Vapi? Any of Heymarket SMS's 14 actions, including Send Custom Message, Send Template Message, Update List and Add list. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Heymarket SMS to Vapi? Heymarket SMS has no triggers in the catalog today, so automations start in Vapi. If you need the other direction, ask: your agent reads Heymarket SMS's API documentation and adds it. ### ### Do I have to build a connector for Vapi or Heymarket SMS? 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 Vapi and Heymarket SMS 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.