I would like to add that this feature, even in a simple form, would allow access to multiple quote services and would allow developers a very easy way to provide quotes from most any service. In particular FMP API provides a similar service to Alphavantage but at much lower cost: https://site.financialmodelingprep.com/pricing-plans The free tier for example provides 10x the quotes of the Alphavantage free tier and would likely be sufficient for many more people.
I would like to add that this feature, even in a simple form, would allow access to multiple quote services and would allow developers a very easy way to provide quotes from most any service. In particular FMP API provides a similar service to Alphavantage but at much lower cost: https://site.financialmodelingprep.com/pricing-plans
The free tier for example provides 10x the quotes of the Alphavantage free tier and would likely be sufficient for many more people.