--- title: "Connect CustomGPT.ai and Mailrelay - APIANT.ai" description: "When \"New Conversation\" fires in CustomGPT.ai, your agent runs \"Add campaign\" in Mailrelay." canonical: "https://apiant.ai/connect/customgpt-ai-to-mailrelay" --- # Connect CustomGPT.ai and Mailrelay When **New Conversation** fires in [CustomGPT.ai](https://apiant.ai/connections/customgpt-ai), your agent runs **Add campaign** in [Mailrelay](https://apiant.ai/connections/mailrelay), or **New subscriber** in Mailrelay to **Export Conversation Leads** in CustomGPT.ai. Describe the whole flow and it is built, tested on every scenario and kept running. CustomGPT.ai **1** trigger CustomGPT.ai **7** actions Mailrelay **1** trigger Mailrelay **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 CustomGPT.ai and Mailrelay 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) CustomGPT.ai holds the conversations people have with your chatbot, and Mailrelay holds the subscriber lists you email. Joining them means a chat that produces a contact can land in Mailrelay as a subscriber, and a new Mailrelay subscriber can be matched to the right CustomGPT.ai agent or conversation. Describe what you want and the agent builds and tests it. Example flows ## What CustomGPT.ai and Mailrelay can do together ### From CustomGPT.ai to Mailrelay - When **New Conversation** in CustomGPT.ai then **Add campaign** in Mailrelay - When **New Conversation** in CustomGPT.ai then **Add group** in Mailrelay ### From Mailrelay to CustomGPT.ai - When **New subscriber** in Mailrelay then **Export Conversation Leads** in CustomGPT.ai - When **New subscriber** in Mailrelay then **Create Conversation** in CustomGPT.ai 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 CustomGPT.ai and Mailrelay ## Triggers and actions 2 triggers · 18 actions - Trigger **New Conversation** Trigger when a new conversation is added. - Action **Create Conversation** Creates a new conversation - Action **Export Conversation** Export conversation as file - Action **Export Conversation Leads** Export leads collected during a conversation as a file. - Action **Find Agent** Find Agent by name. - Action **Find Conversation** Find conversation by name. - Action **Update Agent** Update existing Agent - Action **Update Settings** Update project settings - Trigger **New subscriber** Polling trigger for newly created subscribers. - Action **Add campaign** Create a campaign. - Action **Add group** Create a group. - Action **Add subscriber** Create a subscriber. - Action **Delete subscriber** Remove a subscriber. - Action **Find subscribers by criteria** Search subscribers using q[field_predicate] filters. - Action **Get campaign** Get a campaign by id. - Action **Get subscriber** Get a subscriber by id. - Action **List campaigns** List campaigns. - Action **List groups** List groups. - Action **List senders** List senders. - Action **Update subscriber** Update a subscriber. ## Each app on its own - [ **CustomGPT.ai** CustomGPT.ai is a no-code platform that lets you build AI chatbots using your own business content, designed...](https://apiant.ai/connections/customgpt-ai) - [ **Mailrelay** Mailrelay is an advanced email marketing platform with powerful features.](https://apiant.ai/connections/mailrelay) Reviews ## What our customers say ## More from CustomGPT.ai - [ **CustomGPT.ai to Ipbase** REST API for IP geolocation, ASN lookup, and reverse-IP domain lookup, including bot and proxy threat...](https://apiant.ai/connect/customgpt-ai-to-ipbase) - [ **CustomGPT.ai to WiseTeam** WiseTeam is a team collaboration tool to organize tasks and keep projects on track.](https://apiant.ai/connect/customgpt-ai-to-wiseteam) - [ **CustomGPT.ai to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/customgpt-ai-to-hubspot) - [ **CustomGPT.ai to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/customgpt-ai-to-salesforce) - [ **CustomGPT.ai to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/customgpt-ai-to-slack) - [ **CustomGPT.ai to Google Sheets** Google Sheets](https://apiant.ai/connect/customgpt-ai-to-google-sheets) ## More into Mailrelay - [ **HubSpot to Mailrelay** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailrelay) - [ **Google Sheets to Mailrelay** Google Sheets](https://apiant.ai/connect/google-sheets-to-mailrelay) - [ **Gmail to Mailrelay** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailrelay) - [ **Google Calendar to Mailrelay** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailrelay) - [ **Google Drive to Mailrelay** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-mailrelay) - [ **Mailchimp to Mailrelay** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-mailrelay) Questions ## CustomGPT.ai and Mailrelay, answered ### ### How do contacts from a chatbot conversation reach Mailrelay? The New Conversation trigger in CustomGPT.ai can be followed by Export Conversation Leads, then Find subscribers by criteria in Mailrelay to check whether the person is already known. From there the agent either uses Add subscriber or Update subscriber, and it tests every scenario before it runs. ### ### Can a new Mailrelay subscriber be handled inside CustomGPT.ai? Yes. The New subscriber trigger in Mailrelay can lead to Create Conversation or Find Agent in CustomGPT.ai, so a fresh signup is matched to the right agent or given a conversation to start from. ### ### What can start an automation from CustomGPT.ai? Any of CustomGPT.ai's 1 trigger in the catalog, including New Conversation. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Mailrelay when something happens in CustomGPT.ai? Any of Mailrelay's 11 actions, including Add campaign, Add group, Update subscriber and Add subscriber. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Mailrelay to CustomGPT.ai? Yes. When something happens in Mailrelay, your agent can act in CustomGPT.ai too. This page covers both directions: Mailrelay's triggers and CustomGPT.ai's actions are listed here as well. ### ### Do I have to build a connector for CustomGPT.ai or Mailrelay? 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 CustomGPT.ai and Mailrelay 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.