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Is it possible to obtain a parameter's value from JSON response

This is my first post.
I am trying to integrate Shippo to our application and wish to obtain a specific value out of a Json response.
I am getting the following Json response:
{
"count": 3,
"next": null,
"previous": null,
"results": [
{
"object_created": "2019-08-28T12:58:57.064Z",
"object_id": "16b602e0ajdsk87c4313920bc5e3174XYZ",
"object_owner": "some#email.com",
"shipment": "bd62234e151244dab2b2152fdcd15e76",
"attributes": [
"FASTEST"
],
"amount": "31.30",
"currency": "USD",
"amount_local": "31.30",
"currency_local": "USD",
"provider": "USPS",
"provider_image_75": "https://shippo-static.s3.amazonaws.com/providers/75/USPS.png",
"provider_image_200": "https://shippo-static.s3.amazonaws.com/providers/200/USPS.png",
"servicelevel": {
"name": "Priority Mail Express",
"token": "usps_priority_express",
"terms": ""
},
"estimated_days": 1,
"arrives_by": null,
"duration_terms": "Overnight delivery to most U.S. locations.",
"messages": [],
"carrier_account": "4e1506b8b7f7449e90620967e45aa1e9",
"test": false,
"zone": "4"
},
{
"object_created": "2019-08-28T12:58:57.063Z",
"object_id": "ebdee42047aa49a3b7e08b1903ea02ea",
"object_owner": "some#email.com",
"shipment": "bd62234e151244dab2b2152fdcd15e76",
"attributes": [
"BESTVALUE",
"CHEAPEST"
],
"amount": "7.49",
"currency": "USD",
"amount_local": "7.49",
"currency_local": "USD",
"provider": "USPS",
"provider_image_75": "https://shippo-static.s3.amazonaws.com/providers/75/USPS.png",
"provider_image_200": "https://shippo-static.s3.amazonaws.com/providers/200/USPS.png",
"servicelevel": {
"name": "Priority Mail",
"token": "usps_priority",
"terms": ""
},
"estimated_days": 2,
"arrives_by": null,
"duration_terms": "Delivery within 1, 2, or 3 days based on where your package started and where it’s being sent.",
"messages": [],
"carrier_account": "4e1506b8b7f7449e90620967e45aa1e9",
"test": false,
"zone": "4"
},
{
"object_created": "2019-08-28T12:58:57.062Z",
"object_id": "ad410a41c84940ee80eb30c41c507613",
"object_owner": "some#email.com",
"shipment": "bd62234e151244dab2b2152fdcd15e76",
"attributes": [],
"amount": "7.78",
"currency": "USD",
"amount_local": "7.78",
"currency_local": "USD",
"provider": "USPS",
"provider_image_75": "https://shippo-static.s3.amazonaws.com/providers/75/USPS.png",
"provider_image_200": "https://shippo-static.s3.amazonaws.com/providers/200/USPS.png",
"servicelevel": {
"name": "Parcel Select",
"token": "usps_parcel_select",
"terms": ""
},
"estimated_days": 7,
"arrives_by": null,
"duration_terms": "Delivery in 2 to 8 days.",
"messages": [],
"carrier_account": "4e1506b8b7f7449e90620967e45aa1e9",
"test": false,
"zone": "4"
}
]
}
I am using this call:
WebClient webClient = new WebClient();
webClient.Headers.Add("Authorization: ShippoToken " + authToken);
var result = JsonValue.Parse(webClient.DownloadString("https://api.goshippo.com/shipments/"+ theObject.ObjectId + "/rates/USD"));
My question is how could I get just the "amount" value from the response?
Thank you for any help!

Instead of recreating the json layout as a class model you can work with Newtonsofts JToken. Which will leave you with less boilerplate code to create:
var json = "your json data";
// Parse the whole json string
var obj = JObject.Parse(json);
// Extract the results data as JArray
var results = (JArray)obj["results"];
// Iterate over all array entries and get the amount property
foreach(var result in results)
{
var amount = result["amount"].ToString();
// Do something with the amount
}

You could create some classes based on json then deserialize using JsonConvert
e.g https://www.newtonsoft.com/json/help/html/DeserializeObject.htm
tip:
Copy the json and put in json viewer like https://jsonformatter.curiousconcept.com/

Use https://www.newtonsoft.com/json to deserialize the json response. If you didn't want that you could use a series of string.Split()'s to get the amount. But using newtonsoft (via the nuget package manager) would be the easiest.

How can I use a JSONPath expression as a filter inside another JSONPath expression?

I want to select objects from a JSON string by filtering using a JSONPath expression with another expression embedded in the filter. In other words, I want to filter for a value that is present elsewhere in the JSON data.
For example:
In the following JSON data there is a value in $.Item.State.stepId (currently "QG2.0"). I need to have a JSONPath expression that selects values based on this value, like this:
$..Step[?(#.stepId==$Item.State.stepId)].actionDate
But this will not return any results. If I use the string ("QG2.0") directly like this:
$..Step[?(#.stepId=='QG2.0')].actionDate
it will return the required data.
What's wrong, or is it not even possible? My JSON is below:
{
"Item": {
"Common": {
"folio": "PSH-000016020",
"setName": "123-XZ200-1",
"wfId": "Kat1_002",
"wfIssue": "002",
"wfIdIssue": "Kat1_002.002"
},
"State": {
"status": "IN WORK",
"stepId": "QG2.0",
"stepDescription": "Validation"
},
"Participants": {
"Participant": [
{
"role": "PR",
"roleDescription": "Product Responsible",
"loginName": "marc102",
"email": "mark#abc.de"
}, {
"role": "CR",
"roleDescription": "Chapter Responsible",
"loginName": "uli26819",
"email": "uli#abc.de"
}
]
},
"Steps": {
"Step": [
{
"stepId": "QG1.0",
"stepTitle": "Preparation",
"actionDate": "2016-06-28T10:28:09",
"actionDueDate": "",
"actionBy_Name": "Marc",
"actionBy_Account": "marc102",
"action": "complete",
"Comment": ""
}, {
"stepId": "QG2.0",
"stepTitle": "Check Requirements",
"actionDate": "2016-08-08T14:17:04",
"actionDueDate": "",
"actionBy_Name": "Uli",
"actionBy_Account": "uli26819",
"action": "complete",
"Comment": ""
}
]
}
}
}

I don't think Json.Net's implementation of JSONPath supports this concept.
However, you can still get the information you want if you break the query into two steps:
JObject obj = JObject.Parse(json);
JToken stepId = obj.SelectToken("Item.State.stepId");
JToken actionDate = obj.SelectToken(string.Format("$..Step[?(#.stepId=='{0}')].actionDate", stepId));
Console.WriteLine(actionDate.ToString());
Fiddle: https://dotnetfiddle.net/KunYTf

Json.Net: JSchema to Jtoken conversion issue

Here is the little snippet:
foreach (KeyValuePair<string, JSchema> pair in dict)
{
JToken token = pair.Value;
string path = token.Path;
...
}
JSchema class v2.0.0.0 contains implicit operator that provides simple conversion of types.
public static implicit operator JToken (
JSchema s
)
JSchema object may contains something like this:
{
"title": "Массив предупреждений",
"type": "array",
"items": {
"title": "Предупреждение",
"type": "object",
"additionalProperties": false,
"properties": {
"id": {
"title": "Уникальный идентификатор предупреждения",
"type": "string"
},
"element": {
"title": "Идентификатор атрибута данных",
"description": "Идентификатор атрибута данных в запросе, с которым связано предупреждение, может отсутствовать, если такая связь не установлена.",
"type": "string"
},
"title": {
"title": "Заголовок или название предупреждения",
"type": "string"
},
"description": {
"title": "Описание или полный текст предупреждения",
"type": "string"
}
},
"required": [
"id",
"title"
]
}
}
But token variable is always {} (empty). What is wrong?

I also thought that the JToken conversion would treat a JSON schema as a JSON object. Since every JSON schema is itself JSON, that usage makes sense to us.
However, the implementation clearly indicates that the conversion to JToken actually creates a new JSON object that is associated with the current schema. Similarly, the conversion from JToken accesses that associated schema.
Personally, I find this use of casts confusing.
We can work around it by re-parsing the schema as plain JSON:
var json = JObject.Parse(schema.ToString());

DataContractJsonSerializer - deserialize to dictionary

I want to deserialize a json that I get as result of a REST query (the json string can not be changed) to a dictionary type.
The json string looks something like this:
{
"collection": {
"useful": true
"attributes": {
"ObjectID": "ObjectID",
"Name": "Name",
"FirstID": "FirstID",
"LastID": "LastID",
"Count": "5",
},
"Type": "Polyline",
"features": [{
"attributes": {
"length": 0.10879009704943393
"time": 0.3822371137674949,
"text": "some text",
"ABC": -2209161600000,
"Type": "SomeType"
}
}]
}
}
I create boolean property for 'useful' and integer for 'count' etc. but I have a problem with the 'attributes'. As you can see, in each section (and per result) I get different 'attributes'.
I need to deserialize them into some generic collection like dictionary or list of KeyValuePair. the problem is, as stated in msdn (here - http://msdn.microsoft.com/en-us/library/bb412170.aspx) "Dictionaries are not a way to work directly with JSON".
How can I do it if so?
My application is silverlight 5, .Net 4, VS 2010.
Thanks in advance!

Asp.Net Extracting data from deep within a dictionary<string,object>-

Relatively newbie here with a little question. I been extracting a json string that looks like this (in this case it is a modified return from Facebook oauth2.
{"id":"555555555555555","name":"Monkey
Man","last_name":"Man","first_name":"Monkey","email":"test\u0040someaccount.com","location":{"id":"555555555555555","name":"Jungle,
North
Carolina"},"gender":"male","work":[{"employer":{"id":"555555555555555","name":"Big
Boss makes me work"}:"projects":{"current":"doing stuff",
"previous":"other
stuff"},"location":{"id":"555555555555555","name":"Jungle, North
Carolina"},"position":{"id":"555555555555555","name":"IT
monkey"},"start_date":"2010-09"}],"picture":"http://profile.ak.fbcdn.net/static-ak/rsrc.php/v1/yo/r/5555555-555.gif"}
Well I am able to extract everything to a the dictionary by using the following code
JavaScriptSerializer ser = new JavaScriptSerializer();
Dictionary<string, object> dict = ser.Deserialize<Dictionary<string,object>>(json);
I then extract the data as following from the dictionary and store them in an object called contact which is pretty much just a collection of strings.
if (d.ContainsKey("email"))
{
c.email = d["email"].ToString();
}
else
c.email = "";
I did it this way as I was not gaurenteed the information fields will all be there.
If there is an object set in the value such as with the address I use a modified code (thanks to the guy who showed me how to do that) like following.
c.location = (d["location"] as Dictionary<string, object>)["name"].ToString();
Now come the difficult part that I am stuck on.
I am trying to extract the employer name "Big Boss makes me work" from the following part of the string...
"work":[{"employer":{"id":"555555555555555","name":"Big Boss makes me
work"}:"projects":{"current":"doing stuff", "previous":"other
stuff"},"location":{"id":"555555555555555","name":"Jungle, North
Carolina"},"position":{"id":"555555555555555","name":"IT
monkey"},"start_date":"2010-09"}]
It is storing the data down within an array inside of other objects and I have no idea how to get to the information to extract it, or even how to extract information like this from live oauth2...
"addresses": { "personal": { "street": null, "street_2": null, "city":
"Jungle", "state": "NC", "postal_code": "28677", "region": "United
States" }, "business": { "street": "Tree Street", "street_2": null,
"city": "Jungle", "state": "NC", "postal_code": "28677", "region":
"United States" } }
As you can see this goes three levels deep so my (d["location"] as Dictionary)["name"].ToString(); is pretty useless here. How would you go about getting say the street name from this?
I hope my questions aren't too vague or random. I just need some advice on properly extracting data from the dictionary objects. The ways I come up with involve editing the json string and that causes alsorts of problems as I just don't understand the dictionary object well enough to figure this out on my own
Thanks

Running your JSON through jsonlint.com (and correcting it slightly), it looks like this formatted:
{
"id": "555555555555555",
"name": "Monkey Man",
"last_name": "Man",
"first_name": "Monkey",
"email": "test#someaccount.com",
"location": {
"id": "555555555555555",
"name": "Jungle, North Carolina"
},
"gender": "male",
"work": [
{
"employer": {
"id": "555555555555555",
"name": "Big Boss makes me work"
},
"projects": {
"current": "doing stuff",
"previous": "other stuff"
},
"location": {
"id": "555555555555555",
"name": "Jungle, North Carolina"
},
"position": {
"id": "555555555555555",
"name": "IT monkey"
},
"start_date": "2010-09"
}
],
"picture": "http://profile.ak.fbcdn.net/static-ak/rsrc.php/v1/yo/r/5555555-555.gif"
}
Your JSON data in this case just isn't really suitable to be serialized to a straightforward Dictionary object, so that's not really the way to go here.
The easier way to do is to create a C# class that has defined properties the same as the Javascript object you're de-serializaing. Then, deserialize the JSON as that object and you should be able to access the ""Big Boss makes me work" value should be at objectFromJson.work[0].employer.name .