--- title: "Connect Unisender to BIGContacts - APIANT.ai" description: "When \"New Subscriber\" fires in Unisender, your agent runs \"Create or Update Contact\" in BIGContacts." canonical: "https://apiant.ai/connect/unisender-to-bigcontacts" --- # Connect Unisender to BIGContacts When **New Subscriber** fires in [Unisender](https://apiant.ai/connections/unisender), your agent runs **Create or Update Contact** in [BIGContacts](https://apiant.ai/connections/bigcontacts). Describe the whole flow and it is built, tested on every scenario and kept running. Unisender **1** trigger Unisender **2** actions BIGContacts **9** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Unisender and BIGContacts 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 Unisender can start in BIGContacts - When **New Subscriber** in Unisender then **Create or Update Contact** in BIGContacts - When **New Subscriber** in Unisender then **Create or Update Task** in BIGContacts 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 Unisender and BIGContacts ## Triggers and actions 1 trigger · 11 actions - Trigger **New Subscriber** Fires when a contact subscribes to a Unisender list (optionally one chosen list). Registers and removes its Unisender webhook automatically. - Action **Get Contact** Fetches a contact by email address, including its status, additional fields and the lists it belongs to with its subscription status in each. An error occurs if the contact is not found. - Action **Unsubscribe Contact** Marks a contact's email as unsubscribed from one or more lists (or from all lists when none are given). - Action **Create or Update Contact** Updates a BIGContacts contact by Contact ID, or finds one by email and updates it; creates a new contact when no match exists. - Action **Create or Update Task** Creates or Update a Task in the system. - Action **Delete Contact** Permanently deletes a BIGContacts contact by its ID. - Action **Find Contacts by criteria** Returns up to 100 contacts that match the specified search term, optionally narrowed by creation or update date. - Action **Get Contact** Returns full contact details for a given ID. - Action **Get Task** Returns complete details of a specific task by ID. - Action **List Contacts** Returns all contacts visible to the connected user, optionally narrowed by created or updated date. - Action **List Tasks** Returns all assigned tasks. - Action **List Users** Returns all users (team members) in your BIGContacts account. ## Each app on its own - [ **Unisender** UniSender is one of the leading email marketing service providers in the Eastern Europe, provides Email and...](https://apiant.ai/connections/unisender) - [ **BIGContacts** BIGContacts by ProProfs is designed for teams to grow their business through improved contact management.](https://apiant.ai/connections/bigcontacts) Reviews ## What our customers say ## More from Unisender - [ **Unisender to Vercel** Vercel is a platform for building, deploying, and scaling fast, modern web applications effortlessly.](https://apiant.ai/connect/unisender-to-vercel) - [ **Unisender to Funil de Vendas** Funil de Vendas helps to manage the whole sales process, from the search for opportunities to the closing of...](https://apiant.ai/connect/unisender-to-funil-de-vendas) - [ **Unisender to i6eal Open AI Data** i6eal Open AI Data publishes open datasets about artificial intelligence policy, regulation and...](https://apiant.ai/connect/unisender-to-i6eal-open-ai-data) - [ **Unisender to OpenAPI Generator Online** This is an online openapi generator server.](https://apiant.ai/connect/unisender-to-openapi-generator-online) - [ **Unisender to Savio** Savio tracks feature requests from survey and NPS tools, help desks, CRMs, or from any customer-facing tool...](https://apiant.ai/connect/unisender-to-savio) - [ **Unisender to Scrapeless** Web scraping API toolkit for structured data extraction, browser automation, and CAPTCHA/proxy bypass](https://apiant.ai/connect/unisender-to-scrapeless) ## More into BIGContacts - [ **HubSpot to BIGContacts** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-bigcontacts) - [ **Salesforce to BIGContacts** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-bigcontacts) - [ **Slack to BIGContacts** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-bigcontacts) - [ **Google Sheets to BIGContacts** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-bigcontacts) - [ **Gmail to BIGContacts** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-bigcontacts) - [ **Google Calendar to BIGContacts** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-bigcontacts) Questions ## Unisender and BIGContacts, answered ### ### What can start an automation from Unisender? Any of Unisender's 1 trigger in the catalog, including New Subscriber. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in BIGContacts when something happens in Unisender? Any of BIGContacts's 9 actions, including Create or Update Contact, Create or Update Task, Find Contacts by criteria and Get Contact. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from BIGContacts to Unisender? BIGContacts has no triggers in the catalog today, so automations start in Unisender. If you need the other direction, ask: your agent reads BIGContacts's API documentation and adds it. ### ### Do I have to build a connector for Unisender or BIGContacts? 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 Unisender and BIGContacts 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.