gainers and loosers api not working

[kira2001]

"The requested URL was rejected. Please consult with your administrator." this error pops up

[admin]

@kira2001 Please try to request again. We could get a response while testing.

Testing API request body is as follows:

{
    "datatype":"PercOIGainers", // Type of Data you want(PercOILosers/PercOIGainers/PercPriceGainers/PercPriceLosers)
    "expirytype":"NEAR" // Expiry Type (NEAR/NEXT/FAR)
} 

and API endpoint is as follows:

https://apiconnect.angelone.in/rest/secure/angelbroking/marketData/v1/gainersLosers