@able2sv
Hi! I never got a response from them, but still waiting.

But I have built a tracker for another site if interesting.
https://github.com/PierreGode/MMM-next-episode

@RGN01
here is my working config. might help you out understanding your issue. (sorry for the swedish)

			module: "calendar",
			header: "Familjekalender",
			position: "top_left",
			config: {
                                 customEvents: [
                                 {keyword: 'Spanien', symbol: 'fas fa-plane', color: 'Gold'},
				 {keyword: 'Sundsvall', symbol: 'fa-solid fa-briefcase', color: 'white'},
			         {keyword: 'Norrköping', symbol: 'fa-solid fa-briefcase', color: 'white'},
			         {keyword: 'färja', symbol: 'fa-solid fa-ship', color: 'white'},
			         {keyword: 'skolavslutning', symbol: 'fa-solid fa-graduation-cap', color: 'white'},
			         {keyword: 'läkar', symbol: 'fa-solid fa-user-doctor', color: 'white'},
			         {keyword: 'båt', symbol: 'fa-solid fa-ship', color: 'white'},
                                 {keyword: 'Flyg', symbol: 'fas fa-plane', color: 'Gold'},
				 {keyword: 'arlanda', symbol: 'fas fa-plane', color: 'Gold'},
                                 {keyword: 'Resa', symbol: 'fas fa-pla<i class="fa-solid fa-graduation-capne', color: 'Gold'},
                                 {keyword: 'Semester', symbol: 'fas fa-plane', color: 'Gold'},
                                 {keyword: 'Fotboll', symbol: 'fas fa-futbol', color: 'white'},
                                 {keyword: 'Minecraft', symbol: 'fas fa-hammer', color: 'white'},
                                 {keyword: 'Bilresa', symbol: 'fas fa-car', color: 'white'},
                                 {keyword: 'Roadtrip', symbol: 'fas fa-car', color: 'white'},
			         {keyword: 'Ferrari', symbol: 'fas fa-car', color: 'white'},
                                 {keyword: 'Camping', symbol: 'fas ffas fa-cara-campground', color: 'white'},
                                 {keyword: 'Campa', symbol: 'fas fa-campground', color: 'white'},
                                 {keyword: 'Vaccin', symbol: 'fas fa-vial', color: 'white'},
				 {keyword: 'spruta', symbol: 'fa-solid fa-syringe', color: 'white'},
				 {keyword: 'dos 4', symbol: 'fa-regular fa-syringe', color: 'white'},
                                 {keyword: 'Picknic', symbol: 'fas fa-hotdog', color: 'white'},
                                 {keyword: 'Middag', symbol: 'fas fa-utensils', color: 'white'},
			         {keyword: 'Pinchos', symbol: 'fas fa-utensils', color: 'white'},
			         {keyword: 'Ramblas', symbol: 'fas fa-utensils', color: 'white'},
				 {keyword: 'restaurang', symbol: 'fas fa-utensils', color: 'white'},
                                 {keyword: 'delsedag', symbol: 'fas fa-birthday-cake', color: 'white'},
                                 {keyword: 'fyller', symbol: 'fas fa-birthday-cake', color: 'white'},
                                 {keyword: 'kalas', symbol: 'fas fa-birthday-cake', color: 'Gold'},
                                 {keyword: 'Game Jam', symbol: 'fas fa-cogs', color: 'white'},
                                 {keyword: 'Spelprogrammering', symbol: 'fas fa-cogs', color: 'white'},
                                 {keyword: 'Game', symbol: 'fa-solid fa-hat-wizard', color: 'white'},
                                 {keyword: 'Bil', symbol: 'fas fa-car', color: 'white'},
			         {keyword: 'Tesla', symbol: 'fas fa-car', color: 'white'},
			         {keyword: 'npf74a', symbol: 'fas fa-car', color: 'white'},
                                 {keyword: 'Dop', symbol: 'fa-solid fa-church', color: 'Gold'},
                                 {keyword: 'Lek', symbol: 'fa-solid fa-hat-wizard', color: 'white'},
                                 {keyword: 'Bröllop', symbol: 'fa-solid fa-church', color: 'Gold'},
                                 {keyword: 'vigsel', symbol: 'fa-solid fa-church', color: 'Gold'},
                                 {keyword: 'verktad', symbol: 'fa-solid fa-screwdriver-wrench', color: 'white'},
                                 {keyword: 'service', symbol: 'fa-solid fa-screwdriver-wrench', color: 'white'},
                                 {keyword: 'kolmården', symbol: 'fas fa-horse', color: 'Green'},
                                 {keyword: 'klippning', symbol: 'fa-solid fa-scissors', color: 'White'},
			         {keyword: 'cyckel', symbol: 'fas fa-biking', color: 'White'},
                                 {keyword: 'cykla', symbol: 'fas fa-biking', color: 'White'},
                                 {keyword: 'aw', symbol: 'fas fa-beer', color: 'White'},
                                 {keyword: 'afterwork', symbol: 'fas fa-beer', color: 'White'},
                                 {keyword: 'klippa', symbol: 'fa-solid fa-scissors', color: 'White'},
				 {keyword: 'grill', symbol: 'fa-solid fa-hotdog', color: 'White'},
				 {keyword: 'korv', symbol: 'fa-solid fa-hotdog', color: 'White'},
                                 {keyword: 'Doktor', symbol: 'fa-solid fa-stethoscope', color: 'White'},
				 {keyword: 'kirurg', symbol: 'fa-solid fa-stethoscope', color: 'White'},	 
			         {keyword: 'spraytan', symbol: 'fa-solid fa-person-shelter', color: 'White'},
			         {keyword: 'soldush', symbol: 'fa-solid fa-person-shelter', color: 'White'},	 
				 {keyword: 'Tandläkare', symbol: 'fa-solid fa-tooth', color: 'White'},
				 {keyword: 'Läkare', symbol: 'fa-solid fa-stethoscope', color: 'White'},
			         {keyword: 'simma', symbol: 'fa-solid fa-person-swimming', color: 'White'},
			         {keyword: 'simskola', symbol: 'fa-solid fa-person-swimming', color: 'White'},
				 {keyword: 'bio', symbol: 'fa-solid fa-film', color: 'White'},
				 {keyword: 'studera', symbol: 'fa-solid fa-book', color: 'White'},	 
				 {keyword: 'plugga', symbol: 'fa-solid fa-book', color: 'White'},	 
				 {keyword: 'läsa', symbol: 'fa-solid fa-book', color: 'White'},
				 {keyword: 'God of War', symbol: 'fa-solid fa-axe', color: 'White'},	 	 
				 {keyword: 'läsning', symbol: 'fa-solid fa-book', color: 'White'},	 
				 {keyword: 'handboll', symbol: 'fa-solid fa-baseball', color: 'White'},	 	 
			         {keyword: 'frisör', symbol: 'fa-solid fa-scissors', color: 'White'}	 
                  ],
                              maximumEntries: 20,
			      getRelative:0,
                              showLocation:false,
                              displayRepeatingCountTitle:true,
                              maxTitleLength:30,

@able2sv

It is something i could do. API upon request you mean contacting data-partner@justwatch.com?