--- title: "Connect MRPLN to OpenHolidays API - APIANT.ai" description: "When \"Customer Updated (instant)\" fires in MRPLN, your agent runs \"Find Public Holidays by Date\" in OpenHolidays API." canonical: "https://apiant.ai/connect/mrpln-to-openholidays-api" --- # Connect MRPLN to OpenHolidays API When **Customer Updated (instant)** fires in [MRPLN](https://apiant.ai/connections/mrpln), your agent runs **Find Public Holidays by Date** in [OpenHolidays API](https://apiant.ai/connections/openholidays-api). Describe the whole flow and it is built, tested on every scenario and kept running. MRPLN **6** triggers MRPLN **8** actions OpenHolidays API **7** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want MRPLN and OpenHolidays API 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 MRPLN can start in OpenHolidays API - When **Customer Updated (instant)** in MRPLN then **Find Public Holidays by Date** in OpenHolidays API - When **New Customer** in MRPLN then **Find School Holidays by Date** in OpenHolidays API 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 MRPLN and OpenHolidays API ## Triggers and actions 6 triggers · 15 actions - Trigger **Campaign Launched (instant)** Fires instantly when a campaign is launched (campaign.launched). - Trigger **Customer Opted Out (instant)** Fires instantly when a customer opts out (customer.opted_out). - Trigger **Customer Updated (instant)** Triggers instantly when a customer is updated in MRPLN. - Trigger **Message Sent (instant)** Fires instantly when a message is queued or scheduled for a customer (message.sent). - Trigger **New Customer** Triggers when a new customer is added. - Trigger **New Customer (instant)** Triggers instantly when a customer is created in MRPLN. - Action **Create Customer** Creates a new customer in MRPLN. - Action **Find Customer** Finds a customer by email address. Returns the first matching customer, or found=false when none match. - Action **Find Customer by Phone** Find a customer by their SMS phone number. - Action **Find Customer by WhatsApp** Find a customer by their WhatsApp number. - Action **List Templates** List the approved message templates for a channel. - Action **Send Message to Customer** Send an email, SMS, or WhatsApp message to a customer using an approved template - Action **Trigger Campaign** Launch a campaign that was built in MRPLN. - Action **Update Customer** Updates an existing customer in MRPLN. - Action **Find Public Holidays by Date** returns public holidays from ALL countries on a given date. - Action **Find School Holidays by Date** returns school holidays from ALL countries on a given date. - Action **List Countries** returns the list of all supported countries (isoCode + localized names). - Action **List Languages** returns the list of all languages used in the API's localized name fields. - Action **List Public Holidays** Returns the list of public holidays for a given country and date range (countryIsoCode, validFrom, validTo, languageIsoCode). - Action **List School Holidays** returns the list of official school holidays for a given country and date range (countryIsoCode, validFrom, validTo, languageIsoCode, subdivisionCode). - Action **List Subdivisions** returns the list of relevant subdivisions (states/regions) for a supported country, used as the subdivisionCode param on School Holidays calls. ## Each app on its own - [ **MRPLN** MRPLN is a Mar-Tech SaaS platform for Marketing planning, Automation and Insights powered by AI.](https://apiant.ai/connections/mrpln) - [ **OpenHolidays API** Public and school holidays for many countries via an open REST API](https://apiant.ai/connections/openholidays-api) Reviews ## What our customers say ## More from MRPLN - [ **MRPLN to LinkedIn** LinkedIn is a professional networking platform enabling job seekers, companies, and thought leaders to...](https://apiant.ai/connect/mrpln-to-linkedin) - [ **MRPLN to Facebook** Facebook is a social media and advertising platform used by individuals and businesses to connect, share...](https://apiant.ai/connect/mrpln-to-facebook) - [ **MRPLN to Anthropic** Anthropic builds Claude, a family of large language models.](https://apiant.ai/connect/mrpln-to-anthropic) - [ **MRPLN to Supabase** Supabase is an open-source backend-as-a-service providing a Postgres database, authentication, storage, and...](https://apiant.ai/connect/mrpln-to-supabase) - [ **MRPLN to ElevenLabs** ElevenLabs is an AI audio research and deployment company.](https://apiant.ai/connect/mrpln-to-elevenlabs) - [ **MRPLN to Pushover** Pushover sends real-time push notifications to your phone, tablet, desktop, and watch.](https://apiant.ai/connect/mrpln-to-pushover) ## More into OpenHolidays API - [ **HubSpot to OpenHolidays API** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-openholidays-api) - [ **Salesforce to OpenHolidays API** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-openholidays-api) - [ **Slack to OpenHolidays API** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-openholidays-api) - [ **Google Sheets to OpenHolidays API** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-openholidays-api) - [ **Gmail to OpenHolidays API** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-openholidays-api) - [ **Google Calendar to OpenHolidays API** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-openholidays-api) Questions ## MRPLN and OpenHolidays API, answered ### ### What can start an automation from MRPLN? Any of MRPLN's 6 triggers in the catalog, including Customer Updated (instant), New Customer, New Customer (instant) and Campaign Launched (instant). Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in OpenHolidays API when something happens in MRPLN? Any of OpenHolidays API's 7 actions, including Find Public Holidays by Date, Find School Holidays by Date, List Countries and List Languages. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from OpenHolidays API to MRPLN? OpenHolidays API has no triggers in the catalog today, so automations start in MRPLN. If you need the other direction, ask: your agent reads OpenHolidays API's API documentation and adds it. ### ### Do I have to build a connector for MRPLN or OpenHolidays API? 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 MRPLN and OpenHolidays API 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.