--- title: "Connect EasyPost and Vapi - APIANT.ai" description: "When \"New tracker update\" fires in EasyPost, your agent runs \"Add assistant\" in Vapi, or \"New Assistant\" in Vapi to \"Add address\" in EasyPost." canonical: "https://apiant.ai/connect/easypost-to-vapi" --- # Connect EasyPost and Vapi When **New tracker update** fires in [EasyPost](https://apiant.ai/connections/easypost), your agent runs **Add assistant** in [Vapi](https://apiant.ai/connections/vapi), or **New Assistant** in Vapi to **Add address** in EasyPost. Describe the whole flow and it is built, tested on every scenario and kept running. EasyPost **1** trigger EasyPost **11** actions Vapi **3** triggers Vapi **21** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want EasyPost and Vapi 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 EasyPost and Vapi can do together ### From EasyPost to Vapi - When **New tracker update** in EasyPost then **Add assistant** in Vapi - When **New tracker update** in EasyPost then **Add phone number** in Vapi ### From Vapi to EasyPost - When **New Assistant** in Vapi then **Add address** in EasyPost - When **New Call** in Vapi then **Add batch** in EasyPost 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 EasyPost and Vapi ## Triggers and actions 4 triggers · 32 actions - Trigger **New tracker update** Triggers when EasyPost reports a tracker was created or updated, such as a new scan or status change on a package. - Action **Add address** Creates an address (a person, place or organization) in EasyPost, optionally verifying it for deliverability. Returns the saved address with any verification results. - Action **Add batch** Creates a batch of shipments in EasyPost, so they can be bought, labelled, manifested or picked up together. A batch can also be created empty and shipments added later. - Action **Add pickup** Creates a pickup request for a purchased shipment and returns the available pickup rates, which must then be bought to schedule the pickup. - Action **Add refund** Requests refunds for one or more purchased shipping labels by carrier and tracking code, and returns the resulting refund records. - Action **Add shipment** Creates a shipment from a destination address, an origin address and a parcel, and returns the shipment with its available shipping rates. - Action **Add tracker** Creates a tracker for a package tracking code (for labels bought outside EasyPost) and returns its current tracking status and history. - Action **Buy shipment** Purchases a shipping label for an existing shipment using the selected rate, returning the tracking code and postage label. - Action **Get address** Returns an address saved in EasyPost by its ID, including its verification results. - Action **Get batch** Returns a batch of shipments, including its state, shipment statuses, consolidated label and scan form. - Action **Get pickup** Returns a scheduled carrier pickup, including its status, confirmation number, address and available pickup rates. - Action **Get shipment** Returns a shipment, including its addresses, parcel, rates, label and tracking details. - 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. ## Each app on its own - [ **EasyPost** EasyPost provides a simple postage API that allows developers to quickly and painlessly integrate shipping...](https://apiant.ai/connections/easypost) - [ **Vapi** Vapi is a developer-first Voice AI platform for building natural, low-latency, multilingual phone agents via...](https://apiant.ai/connections/vapi) Reviews ## What our customers say ## More from EasyPost - [ **EasyPost to Dappier** Dappier is a AI platform that provides access to real-time data models.](https://apiant.ai/connect/easypost-to-dappier) - [ **EasyPost to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/easypost-to-hubspot) - [ **EasyPost to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/easypost-to-salesforce) - [ **EasyPost to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/easypost-to-slack) - [ **EasyPost to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/easypost-to-google-sheets) - [ **EasyPost to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/easypost-to-gmail) ## More into Vapi - [ **HubSpot to Vapi** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-vapi) - [ **Salesforce to Vapi** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-vapi) - [ **Slack to Vapi** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-vapi) - [ **Google Sheets to Vapi** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-vapi) - [ **Gmail to Vapi** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-vapi) - [ **Google Calendar to Vapi** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-vapi) Questions ## EasyPost and Vapi, answered ### ### What can start an automation from EasyPost? Any of EasyPost's 1 trigger in the catalog, including New tracker update. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Vapi when something happens in EasyPost? Any of Vapi's 21 actions, including Create Call, Create Chat, Update Call and Update phone number. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Vapi to EasyPost? Yes. When something happens in Vapi, your agent can act in EasyPost too. This page covers both directions: Vapi's triggers and EasyPost's actions are listed here as well. ### ### Do I have to build a connector for EasyPost or Vapi? 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 EasyPost and Vapi 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.