--- title: "Connect Overloop.ai to TaxJar - APIANT.ai" description: "When \"List Created\" fires in Overloop.ai, your agent runs \"Create a Customer\" in TaxJar." canonical: "https://apiant.ai/connect/overloop-ai-to-taxjar" --- # Connect Overloop.ai to TaxJar When **List Created** fires in [Overloop.ai](https://apiant.ai/connections/overloop-ai), your agent runs **Create a Customer** in [TaxJar](https://apiant.ai/connections/taxjar). Describe the whole flow and it is built, tested on every scenario and kept running. Overloop.ai **2** triggers Overloop.ai **17** actions TaxJar **20** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Overloop.ai and TaxJar 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 Overloop.ai can start in TaxJar - When **List Created** in Overloop.ai then **Create a Customer** in TaxJar - When **New Exclusion List Item** in Overloop.ai then **Create an Order Transaction** in TaxJar 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 Overloop.ai and TaxJar ## Triggers and actions 2 triggers · 37 actions - Trigger **List Created** Triggers when a new list is created in Overloop.ai. - Trigger **New Exclusion List Item** Triggers when a new email address or domain is added to your Overloop exclusion list. - Action **Add list** Creates a new prospect or organization list in Overloop. - Action **Add Prospect to Campaign** Adds a prospect to an Overloop campaign by enrolling them in it, optionally at a specific step or start time. Returns the new enrollment. - Action **Create Organization** Creates a new organization in Overloop.ai with its name, contact details, address, lists and any custom fields. - Action **Create Prospect** Creates a new prospect in Overloop.ai with contact details, lists, owner, organization and any custom fields, and returns the created prospect. - Action **Delete list** Permanently deletes a list in Overloop. Prospects that were in the list are kept. - Action **Delete organization** Permanently deletes an organization in Overloop.ai. This cannot be undone. - Action **Delete prospect** Permanently deletes a prospect from Overloop.ai, along with all of its history (messages, replies). This cannot be undone. - Action **Enroll Prospect** Enrolls a prospect into an Overloop campaign or prospect-based workflow, optionally at a specific step or start time. - Action **Exclude Prospect** Excludes a prospect from all future outreach by adding their email address (or their whole domain) to the Overloop exclusion list. - Action **Get organization** Returns a single Overloop organization by its ID, including its standard details, lists and any custom field values. - Action **Get prospect** Returns a prospect by ID, including its contact details, engagement status, lists and custom field values. An error occurs if the prospect is not found. - Action **List automations** Returns the automations (outbound campaigns and productivity workflows) in your Overloop account, optionally filtered by type, record type or status. - Action **List users** Returns the users on your Overloop.ai account, with their name, email, role and status, optionally filtered to active or disabled users. - Action **Search List** Returns the Overloop lists whose name contains the text you give, optionally limited to prospect or organization lists. - Action **Search Organization** Returns the organizations in Overloop.ai that match the name, website, email or other details you specify. - Action **Search Prospect** Returns the prospects that match the email, name, job title, location or engagement status you specify. - Action **Update list** Renames an existing Overloop list and returns the updated list. - Action **Calculate Sales Tax for an Order** Works out the sales tax due on an order from the ship-from and ship-to addresses, the order amount and its line items. - Action **Create a Customer** Creates a customer in TaxJar with their exemption type and the regions the exemption applies to. - Action **Create an Order Transaction** Records a completed order in TaxJar so it counts towards your sales tax reporting. - Action **Create a Refund Transaction** Records a refund against an existing order in TaxJar so your sales tax reporting stays accurate. - Action **Get Two-Letter ISO Code for Region** Looks up the two-letter code for a state, province or country by name, using TaxJar's own list of regions. - Action **List Categories** Returns TaxJar's product categories and the tax code to use for each one. - Action **List Customers** Returns the IDs of every customer in your TaxJar account. - Action **List Nexus Regions** Returns the states, provinces and countries where your TaxJar account has nexus and must collect tax. - Action **List Orders** Returns the IDs of the orders recorded in TaxJar, optionally limited to a date or date range. - Action **List Refunds** Returns the IDs of the refunds recorded in TaxJar, optionally limited to a date or date range. - Action **Rates for Location** Returns the sales tax rates that apply at a location, broken down by state, county and city. - Action **Show a Customer** Returns one customer from TaxJar, including their exemption type and exempt regions. - Action **Show Order** Returns one order recorded in TaxJar, including its addresses, totals and line items. - Action **Show Refund** Returns one refund recorded in TaxJar, including the order it applies to and the amounts refunded. - Action **Summarize Tax Rates for All Regions** Returns the minimum and average sales tax rate for every state, province and country TaxJar covers. - Action **Update a Customer** Updates a customer in TaxJar. Only the fields you supply are changed. - Action **Update an Order Transaction** Updates an order already recorded in TaxJar. Only the fields you supply are changed. - Action **Update a Refund Transaction** Updates a refund already recorded in TaxJar. Only the fields you supply are changed. - Action **Validate an Address** Checks a US address and returns TaxJar's corrected version of it, so tax is worked out on a clean address. - Action **Validate a VAT Number** Checks whether a VAT number is valid and returns the business name and address registered against it. ## Each app on its own - [ **Overloop.ai** Overloop.ai is an AI-powered Sales Automation Platform that runs all your outbound campaigns 100%...](https://apiant.ai/connections/overloop-ai) - [ **TaxJar** TaxJar’s award-winning solution makes it easy to automate sales tax management, reporting and filing.](https://apiant.ai/connections/taxjar) Reviews ## What our customers say ## More from Overloop.ai - [ **Overloop.ai to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/overloop-ai-to-salesforce) - [ **Overloop.ai to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/overloop-ai-to-slack) - [ **Overloop.ai to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/overloop-ai-to-stripe) - [ **Overloop.ai to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/overloop-ai-to-shopify) - [ **Overloop.ai to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/overloop-ai-to-quickbooks-online) - [ **Overloop.ai to Pipedrive** Pipedrive is a sales CRM and pipeline management tool.](https://apiant.ai/connect/overloop-ai-to-pipedrive) ## More into TaxJar - [ **HubSpot to TaxJar** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-taxjar) - [ **Salesforce to TaxJar** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-taxjar) - [ **Slack to TaxJar** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-taxjar) - [ **Google Sheets to TaxJar** Google Sheets](https://apiant.ai/connect/google-sheets-to-taxjar) - [ **Gmail to TaxJar** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-taxjar) - [ **Google Calendar to TaxJar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-taxjar) Questions ## Overloop.ai and TaxJar, answered ### ### What can start an automation from Overloop.ai? Any of Overloop.ai's 2 triggers in the catalog, including List Created and New Exclusion List Item. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in TaxJar when something happens in Overloop.ai? Any of TaxJar's 20 actions, including Create a Customer, Create an Order Transaction, Create a Refund Transaction and Update a Customer. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from TaxJar to Overloop.ai? TaxJar has no triggers in the catalog today, so automations start in Overloop.ai. If you need the other direction, ask: your agent reads TaxJar's API documentation and adds it. ### ### Do I have to build a connector for Overloop.ai or TaxJar? 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 Overloop.ai and TaxJar 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.