Xojo Plugin

Finnhub API - Get Stock Quote

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Demonstrates how to get a stock quote from the Finnhub API. Xojo Plugin

Dim success As Boolean
success = False

// Replace with your actual Finnhub API key.
Dim apiKey As String
apiKey = "YOUR_FINNHUB_API_KEY"
Dim symbol As String
symbol = "AAPL"

Dim http As New Chilkat.Http

// This is the URL without params.
Dim urlWithoutParams As String
urlWithoutParams = "https://finnhub.io/api/v1/quote"

Dim req As New Chilkat.HttpRequest

// Add params that will be sent in the URL.
req.AddParam "symbol",symbol
req.AddParam "token",apiKey

req.HttpVerb = "GET"

// Send the request to get the JSON response.
Dim resp As New Chilkat.HttpResponse
success = http.HttpReq(urlWithoutParams,req,resp)
If (success = False) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

Dim json As New Chilkat.JsonObject
success = resp.GetBodyJson(json)

Dim statusCode As Int32
statusCode = resp.StatusCode
System.DebugLog("response status code: " + Str(statusCode))

json.EmitCompact = False
System.DebugLog(json.Emit())

// Sample result:

// {
//   "c": 248.8,
//   "d": -4.09,
//   "dp": -1.6173,
//   "h": 255.493,
//   "l": 248.07,
//   "o": 253.9,
//   "pc": 252.89,
//   "t": 1774641600
// }

If (statusCode = 200) Then
    // Add the symbol to the top of the result.
    success = json.AddStringAt(0,"symbol",symbol)

    // Rename members for clarification.
    success = json.Rename("c","currentPrice")
    success = json.Rename("d","change")
    success = json.Rename("dp","percentChange")
    success = json.Rename("h","high")
    success = json.Rename("l","low")
    success = json.Rename("o","open")
    success = json.Rename("pc","prevClose")
    success = json.Rename("t","unixTime")

    System.DebugLog(json.Emit())

Else
    System.DebugLog("Failed")
End If