--- title: "Connect Opensea to OpenHolidays API - APIANT.ai" description: "When \"New collection event\" fires in Opensea, your agent runs \"Find Public Holidays by Date\" in OpenHolidays API." canonical: "https://apiant.ai/connect/opensea-to-openholidays-api" --- # Connect Opensea to OpenHolidays API When **New collection event** fires in [Opensea](https://apiant.ai/connections/opensea), 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. Opensea **1** trigger Opensea **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 Opensea 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 Opensea can start in OpenHolidays API - When **New collection event** in Opensea then **Find Public Holidays by Date** in OpenHolidays API - When **New collection event** in Opensea 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 Opensea and OpenHolidays API ## Triggers and actions 1 trigger · 16 actions - Trigger **New collection event** Triggers when a new event (sale, transfer, mint, listing or offer) happens in an OpenSea collection. - Action **Get account** Returns an OpenSea account profile for a wallet address or username, including bio, display name, social media accounts, follower counts and profile image. - Action **Get collection** Returns a single OpenSea collection by its slug, including its name, description, contracts, fees, supply, social links and pricing currencies. - Action **Get collection stats** Returns trading statistics for an OpenSea collection: all-time volume, sales, owner count and floor price, plus volume and sales broken down by time window. - Action **Get NFT** Returns a single NFT's metadata, traits, owners and rarity, looked up by its blockchain, contract address and token id. - Action **Get order** Returns a single OpenSea listing or offer by its order hash, including its price, status, remaining quantity and the signed order details. - Action **List events by collection** Returns the activity events (sales, transfers, mints, listings and offers) for an OpenSea collection, optionally narrowed by time window, event type or NFT traits. - Action **List NFTs by account** Returns the NFTs a wallet owns on a chosen blockchain, optionally limited to one collection, including how many of each the wallet holds. - Action **List NFTs by collection** Returns the NFTs in an OpenSea collection, optionally narrowed to items matching specific traits. - Action **Refresh NFT metadata** Queues a metadata refresh for an NFT so OpenSea re-reads its name, image and traits from the blockchain. - 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 - [ **Opensea** NFT marketplace API for retrieving NFT and collection metadata, and listing, buying, and selling NFTs across...](https://apiant.ai/connections/opensea) - [ **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 Opensea - [ **Opensea to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/opensea-to-salesforce) - [ **Opensea to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/opensea-to-slack) - [ **Opensea to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/opensea-to-stripe) - [ **Opensea to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/opensea-to-shopify) - [ **Opensea to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/opensea-to-quickbooks-online) - [ **Opensea to Pipedrive** Pipedrive is a sales CRM and pipeline management tool.](https://apiant.ai/connect/opensea-to-pipedrive) ## 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](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 ## Opensea and OpenHolidays API, answered ### ### What can start an automation from Opensea? Any of Opensea's 1 trigger in the catalog, including New collection event. 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 Opensea? 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 Opensea? OpenHolidays API has no triggers in the catalog today, so automations start in Opensea. 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 Opensea 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 Opensea 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.