(PowerShell) Simple REST Example

Demonstrates a very simple RESTful API call to get a stock time series daily (quotes) from Alpha Vantage.

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$rest = New-Object Chilkat.Rest

# Connect to the REST server.
$bTls = $true
$port = 443
$bAutoReconnect = $true
$success = $rest.Connect("www.alphavantage.co",$port,$bTls,$bAutoReconnect)
if ($success -ne $true) {
    $($rest.LastErrorText)
    exit
}

# Get a stock quote:
# Sending GET request to https://www.alphavantage.co/query?function=TIME_SERIES_DAILY&symbol=MSFT&apikey=my_api_key
$success = $rest.AddQueryParam("function","TIME_SERIES_DAILY")
$success = $rest.AddQueryParam("symbol","AAPL")
$success = $rest.AddQueryParam("apikey","my_api_key")
$responseJson = $rest.FullRequestNoBody("GET","/query")
if ($rest.LastMethodSuccess -ne $true) {
    $($rest.LastErrorText)
    exit
}

$($responseJson)

# Sample response:
# {
#     "Meta Data": {
#         "1. Information": "Daily Prices (open, high, low, close) and Volumes",
#         "2. Symbol": "AAPL",
#         "3. Last Refreshed": "2019-12-06",
#         "4. Output Size": "Compact",
#         "5. Time Zone": "US/Eastern"
#     },
#     "Time Series (Daily)": {
#         "2019-12-06": {
#             "1. open": "267.4800",
#             "2. high": "271.0000",
#             "3. low": "267.3000",
#             "4. close": "270.7100",
#             "5. volume": "25447644"
#         },
#         "2019-12-05": {
#             "1. open": "263.7900",
#             "2. high": "265.8900",
#             "3. low": "262.7300",
#             "4. close": "265.5800",
#             "5. volume": "18661343"
#         },
#         "2019-12-04": {
#             "1. open": "261.0700",
#             "2. high": "263.3100",
#             "3. low": "260.6800",
#             "4. close": "261.7400",
#             "5. volume": "16810388"
#         },
# ...
#         "2019-07-18": {
#             "1. open": "204.0000",
#             "2. high": "205.8800",
#             "3. low": "203.7000",
#             "4. close": "205.6600",
#             "5. volume": "18582161"
#         }
#     }
# }