The proxy flag is only available for first-party tiles. In theory, you could use one of the online CORS proxy services - fine for generic API calls, but I would recommend against it for something where you are passing a private API key across.
It might be easier to find an alternative crypto API.
- For example, someone had asked how to periodically query Coindesk – here’s a demo Coindesk tile that does that.
- I remembered seeing some crypto APIs that supported websockets for real-time data, so I went down the rabbit hole and mocked up a realtime version with Bitstamp too.
