Brrr-nein!

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@saaneuvos It works for me as expected, please, make your site with Windy Map public and send me URL as a private message into chat.

I am affraid I am not able to help you with that. Go through all examples at https://api4.windy.com/, especially focus on https://api4.windy.com/examples/parameters/ and google, google and google :-) Hope you will make it work!

@saaneuvos Sorry about the delay.

1. Isobars are generated server-side. If there are no isobars you are looking for, there is no any other option. Sorry.
2. Take a look at https://api4.windy.com/examples/parameters/, you can run W.store.getAllowed('isolines') from, for example, debug console on the page you run Windy Map. And you will see off in the list :-)
3. You have to create your own and change them on click.
4. You can use undocummented settings for particles, for example: W.store.set('particles', {"multiplier":0.5,"velocity":1.4,"width":0.5,"blending":1.05,"opacity":1.5}) and rerender your map. Feel free to investigate what all these attributes do. You must handle specific particle settings for layers/maps on your own.
5. No, it i not possible.
6. Same as number 1., sorry.
7. No, every layer is rendered as canvas objects.

@saaneuvos Sorry about the delay.

1. a) You are right, all layers you mentioned are missing in paid API. We will check it further and let you know in this thread.
   b) Names of all available layers can be reached by W.store.getAllowed('overlay') from, for example, debug console on the page you run Windy Map.
2. Sounding is not a part of our map, but it is standalone plugin. It is not possible.

@saaneuvos Sorry about the delay.

1. If you mean reported temperature and reported wind (basically wx station reports) it is not possible now. Observation is not a part of our map, but it is standalone plugin. We would like to make it accessible via API in the future (as well as forecast, airports, ...), but I cannot promise you that right now.
2. No.
3. Unfortunately it is possible to run only one instance of Windy map on one page. As it stands at official documentation:

   There can be only one instance of Windy Map on a page, but you can use multiple instances of Leaflet map on the same page.

@La-Luz-Surfcamp It is possible on desktop only. Choose and click the amount you would like to donate, after popup appears, click "Other methods" and select Paypal.

@LukeB101 It is not possible right now through the API, sorry. Windy API provides "only" our Leaflet extensions and map tools. It allows you to use Windy map layers and read its data. Airports info is not a part of that. We are sorry. Maybe in the future it will be possible :-)

@jfmoyen @idefix37 Thank you both for your great help. We are working on fix, but it will probably take us some time. We are currently working on a huge refactor around georeverse searching and also geo searching. This bug can be fixed after realeasing these changes. Thank you again for your help and understanding.

@nomoss It should work... Some people get awarded a few hours ago. Please use private chat with me and send me your email and name you used during payment checkout, I will check it.