I want to get & set special price for a product in Magento 2.0 using APi.
Following is the http url for getting the price of an item
**http://192.168.222.45:8081/MagentoDev/index.php/rest/V1/products/special-price-information**

Body:

**{
  "skus": [
    "SKU505050"
  ]
}**

 The result of the request is :

**{
    "message": "Request does not match any route."
}**

Similarly i can not set the special price of the product. for Setting the price i use following link:
**http://192.168.222.45:8081/MagentoDev/index.php/rest/V1/products/special-price**

Body:

**[
  {
    "price": 160,
    "store_id": 0,
    "sku": "SKU505050",
    "price_from": "10/01/2017",
    "price_to": "10/01/2017",
    "extension_attributes": {}
  }
]**



result: 

**{
    "message": "Request does not match any route."
}**

Has any  one else faced this issue? 
A quick help will be highly appreciated !