--- title: "Connect PostHog to OpenHolidays API - APIANT.ai" description: "When \"Action Performed\" fires in PostHog, your agent runs \"Find Public Holidays by Date\" in OpenHolidays API." canonical: "https://apiant.ai/connect/posthog-to-openholidays-api" --- # Connect PostHog to OpenHolidays API When **Action Performed** fires in [PostHog](https://apiant.ai/connections/posthog), 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. PostHog **1** trigger PostHog **9** 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 PostHog 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 PostHog can start in OpenHolidays API - When **Action Performed** in PostHog then **Find Public Holidays by Date** in OpenHolidays API - When **Action Performed** in PostHog 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 PostHog and OpenHolidays API ## Triggers and actions 1 trigger · 16 actions - Trigger **Action Performed** Triggers when an action is performed by a user. - Action **Add annotation** Create a new annotation on the project timeline (content, date_marker, scope). - Action **Capture Event** Captures an event. - Action **Evaluate feature flags** Evaluate all feature flag values for a given distinct_id/person, returning flag states for use in automation branching. - Action **Get person** Retrieve a single person by ID. - Action **List annotations** List annotations in the project. - Action **List cohorts** List cohorts defined in the project. - Action **List feature flags** List feature flags defined in the project. - Action **List insights** List saved insights (charts/graphs) in the project. - Action **List persons** List/search persons in the project, optionally filtered by distinct_id or properties. - 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 - [ **PostHog** PostHog is the single platform for building successful products.](https://apiant.ai/connections/posthog) - [ **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 PostHog - [ **PostHog to Alchemy** Alchemy is a web3 development platform with the most powerful set of web3 development tools to build and...](https://apiant.ai/connect/posthog-to-alchemy) - [ **PostHog to Harness.io** Harness.io is an AI-native software delivery platform to automate CI/CD pipelines, manage feature flags, and...](https://apiant.ai/connect/posthog-to-harness-io) - [ **PostHog to Odoo CRM** Odoo is a powerful open source platform with dozens of apps to help you grow your business.](https://apiant.ai/connect/posthog-to-odoo-crm) - [ **PostHog to People Data Labs** People Data Labs is a data API that lets you enrich your person and company records with resume, contact...](https://apiant.ai/connect/posthog-to-people-data-labs) - [ **PostHog to Photon** Photon is a integration to bring iMessage to your workflows and agents natively, to interfaces millions of...](https://apiant.ai/connect/posthog-to-photon) - [ **PostHog to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/posthog-to-slack) ## 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 ## PostHog and OpenHolidays API, answered ### ### What can start an automation from PostHog? Any of PostHog's 1 trigger in the catalog, including Action Performed. 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 PostHog? 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 PostHog? OpenHolidays API has no triggers in the catalog today, so automations start in PostHog. 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 PostHog 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 PostHog 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.