--- title: "Connect GetResponse to OnceOnly - APIANT.ai" description: "When \"New Autoresponder\" fires in GetResponse, your agent runs \"Add event\" in OnceOnly." canonical: "https://apiant.ai/connect/getresponse-to-onceonly" --- # Connect GetResponse to OnceOnly When **New Autoresponder** fires in [GetResponse](https://apiant.ai/connections/getresponse), your agent runs **Add event** in [OnceOnly](https://apiant.ai/connections/onceonly). Describe the whole flow and it is built, tested on every scenario and kept running. GetResponse **6** triggers GetResponse **11** actions OnceOnly **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 GetResponse and OnceOnly 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 GetResponse can start in OnceOnly - When **New Autoresponder** in GetResponse then **Add event** in OnceOnly - When **New Contact** in GetResponse then **Add policy** in OnceOnly 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 GetResponse and OnceOnly ## Triggers and actions 6 triggers · 22 actions - Trigger **New Autoresponder** Triggers when a new autoresponder message is created in your GetResponse account. - Trigger **New Contact** Triggers when a new contact is added to your GetResponse account, optionally only for a chosen list or origin. - Trigger **New Form** Triggers when a new form is created in your GetResponse account, optionally limited to one list, a status or a name. - Trigger **New Landing Page** Triggers when a new landing page is created in your GetResponse account. - Trigger **New List** Triggers when a new list (campaign) is created in your GetResponse account. - Trigger **New Newsletter** Triggers when a new newsletter is created in your GetResponse account, optionally limited to one list, status, type, name or subject. - Action **Add custom field** Creates a new contact custom field definition in your GetResponse account. - Action **Add tag** Creates a new tag in your GetResponse account that you can then apply to contacts. - Action **Create Newsletter** Creates a newsletter in a GetResponse campaign and queues it for sending (or saves it as a draft). - Action **Delete newsletter** Deletes a newsletter from your GetResponse account. - Action **Find Contact** Returns the contacts that match an email address, name, list or other criteria you specify. - Action **Find List** Returns the GetResponse lists (campaigns) whose name matches the text you give, optionally limited to your default list. - Action **Find newsletters by criteria** Returns up to 1000 newsletters that match the criteria you give, such as subject, name, status, type, list or created/sent date range. - Action **Get contact** Returns one GetResponse contact by its ID, including its list, tags and custom field values. - Action **List custom fields** Returns the custom fields defined in your GetResponse account, optionally filtered by name. - Action **List tags** Returns the tags in your GetResponse account, optionally filtered by name or creation date and sorted by name or date. - Action **Remove Contact** Permanently removes a contact from your GetResponse account. Optionally records the removal as an unsubscribe from a specific message. - Action **Add event** Adds an event to an agent run's timeline in OnceOnly, such as a step starting, a tool call, or a failure. - Action **Add policy** Creates or updates the governance policy for an agent, such as rate limits, spend limits and allowed or blocked tools. - Action **Add tool** Creates or updates a tool in your OnceOnly tool registry, pointing at your backend URL. Returns the saved tool without its secret. - Action **Check & Lock** Checks an idempotency key and locks it if it is new, telling you whether the event is a first occurrence or a duplicate. - Action **Delete tool** Permanently deletes a tool from your OnceOnly tool registry. - Action **Get policy** Returns the governance policy configured for an agent. - Action **Get run** Returns a run's timeline: the run id, the total number of events and the list of events recorded for it. - Action **Get tool** Returns the details of a registered tool by name, including its URL, scope, enabled state and retry settings. - Action **List policies** Returns every agent policy on the OnceOnly account, each with its agent id and policy settings. - Action **List runs** Returns the runs recorded on your OnceOnly account, with each run's latest status and event count. - Action **List tools** Returns the tools registered in your OnceOnly tool registry for a scope. ## Each app on its own - [ **GetResponse** With an all-in-one suite of online marketing tools, GetResponse is the perfect solution to help you grow...](https://apiant.ai/connections/getresponse) - [ **OnceOnly** OnceOnly is an idempotency API that prevents duplicate automation runs by blocking repeated events in...](https://apiant.ai/connections/onceonly) Reviews ## What our customers say ## More from GetResponse - [ **GetResponse to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/getresponse-to-hubspot) - [ **GetResponse to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/getresponse-to-salesforce) - [ **GetResponse to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/getresponse-to-slack) - [ **GetResponse to Google Sheets** Google Sheets](https://apiant.ai/connect/getresponse-to-google-sheets) - [ **GetResponse to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/getresponse-to-gmail) - [ **GetResponse to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/getresponse-to-google-calendar) ## More into OnceOnly - [ **HubSpot to OnceOnly** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-onceonly) - [ **Salesforce to OnceOnly** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-onceonly) - [ **Slack to OnceOnly** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-onceonly) - [ **Google Sheets to OnceOnly** Google Sheets](https://apiant.ai/connect/google-sheets-to-onceonly) - [ **Gmail to OnceOnly** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-onceonly) - [ **Google Calendar to OnceOnly** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-onceonly) Questions ## GetResponse and OnceOnly, answered ### ### What can start an automation from GetResponse? Any of GetResponse's 6 triggers in the catalog, including New Autoresponder, New Contact, New Form and New Landing Page. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in OnceOnly when something happens in GetResponse? Any of OnceOnly's 11 actions, including Add event, Add policy, Add tool and Check & Lock. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from OnceOnly to GetResponse? OnceOnly has no triggers in the catalog today, so automations start in GetResponse. If you need the other direction, ask: your agent reads OnceOnly's API documentation and adds it. ### ### Do I have to build a connector for GetResponse or OnceOnly? 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 GetResponse and OnceOnly 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.