How to pass array in json body Dec 20, 2013 · Is it possible to put a byte[] (byte array) to JSON? if so, how can I do that in java? then read that JSON and convert that field again to byte[]? Sep 8, 2025 · JavaScript: When sending data to a web server, the data has to be a string. Json a byte array (byte[]) will be serialized as base64 string. Learn about multi-dimensional arrays. stringify () function to convert data to string and send it via XHR request to the server. Also, RAW selected and JSON (application/json) in Body Tab. Jun 8, 2023 · Adding to what @Pro_Tanvee has mentioned in the earlier reply, what you want to do is pass the JSON body inside the HTTP Module’s Request Content instead of Query Parameters. Jan 20, 2022 · [{name: 'myName', age: 25, city: 'myCity'},{name: 'myName1', age: 25, city: 'myCity1'}]: If you have noticed a colon at the end of the payload, seems like it converted my array as a property name to the form data. Jun 18, 2021 · But it seems does not support byte[] from query. In JavaScript, array values can be all of the above, plus any other valid JavaScript expression, including functions, dates, and undefined. In a Non-Parameterized request, I pass in: “groups": [5008,5009 You are POSTing the json incorrectly -- but even if it were correct, you would not be able to test using print_r($_POST) (read why here). Bodies of pure lists If the top level value of the JSON body you expect is a JSON array (a Python list), you can declare the type in the parameter of the function, the same as in Pydantic models: Jun 22, 2021 · If you’ll use an existing library (like Newtonsoft. Sep 5, 2018 · Use for loop , create object in for loop and add it into Json Array list. Both exhibit the same odd error, but I can't find what I'm doing wrong. “myArray ”) Click on the “value” field and enter the values of Arrays in JSON are almost the same as arrays in JavaScript. Jun 4, 2020 · How about using a web filter to extract the part of request body which your controller consumes and pass to it? Jun 22, 2020 · This question is similar to: How to send nested array in multipart/form-data postman. g. Based on How to send file contents as body entity using cURL Oct 24, 2014 · If I knew I could just use Content-Type: application/json and submit JSON directly in the body, then the question would not make any sense, would it? If my past myself found my current answer, it would lead him directly to the solution and the missing knowledge. Jul 10, 2015 · Remember to use this in POST with proper endpoint. Jan 2, 2020 · 2. Mar 3, 2020 · Very short version How do I include an ADF Variable inside a JSON POST request, in a Web Activity within ADF? I feel like this should be a very simple string concatenation, but i can't get it to Jan 27, 2023 · A JSON object is added to the POST request body by passing a C# object to the RestSharp method request. Please help me to understand how can I put whole json data for sample data mentioned below as the input has arrays whereas till now I used flat jsons wit Aug 23, 2024 · The array is set as a global variable and will be available throughout the collection run. I suggest that you open an issue with that project directly. Apr 12, 2024 · Hi everybody! I have a code that, when the status changes, transmits field values in Json format to another service, the code works fine, but there is a problem with passing an array of field values, now all values are transmitted as a string. For example below is a JSON that contains JSON as a string with properly escaped properties: Mar 13, 2023 · If you want to pass a well-formed JSON document (your array) as a top-level key in a JSON document used with --data in your curl invocation, you may do as follows: Jan 6, 2022 · I am working on a C# console client, I should call a REST API call with the POST method. Jul 24, 2022 · A quick guide to learning how to pass a JSON object or an array as a parameter in HTTP requests in JavaScript. Perfect for API enthusiasts and developers looking to simplify their API development process. An Office Script can loop over a JSON array and reassemble it as a 2D array. JSON represents data in key-value pairs and supports various data types like Arrays, Objects, and Strings making it versatile for transmitting complex information. Thanks to the documentation I got it working like this: MyObject: type: object properties: body: type: array items: type: object properties: type: type: string values: type: array @davidahines - Yes, because JSON is, by definition, text. In JSON, array values must be of type string, number, object, array, boolean or null. ajax in Zepto or Jquery. Jul 28, 2023 · Hi - I’m trying to call a POST request with a dynamic array of values in the API request body. Code that is used to call the API method is, Arrays of JSON objects provide a consistent way to pass rows of table data between applications and web services. The post request function was unable to return the list inside of {} brackets because the {} brackets will give you a python set. stringify on the array, seems to work! Aug 23, 2024 · We use array. But the results here are the same. @RequestBody parameter must have the entire body of the request and bind that to only one object. variables. You can control the loop within the pre-request script. Oct 4, 2023 · Hi, I’ve built my Workflow (great tool BTW) and got my JSON data formatted and merged ready to use successfully but now need to use this array data in a single HTTP Request with all the JSON data in the Body of the request. The data destined for the server is encapsulated within the request body of the HTTP request. In these cases, each JSON object represents a row, while the properties represent the columns. JavaScript Arrays as JSON The same way JavaScript objects can be written as JSON, JavaScript arrays can also be written as JSON. You can use the first one with your @RequestBody List<Long> ids or the second one with @RequestBody YourData data where Aug 1, 2025 · Server-side Implementation The server-side implementation also plays a role in determining how an Array in form-data is handled. I want to be able to send to both a Web API Postman to Web API I can do simple GET Requests to my Web API with Postman, but what I don't understand is how to send a Byte Array. But if you still want to pass this as a parameter in the URL, you will have to encode your URL like below for example: Example JSON: I had a slightly related issue, of trying to pass a array from a pre request script via pm. The data saves to the server when sent using a test cli Aug 23, 2017 · 0 For adding array as value, click Bulk Edit in body tab of postman. Nov 20, 2020 · Hi All, I have a project where I need to use postman runner to “POST” values from a data file to an API endpoint of a service provider. Imagine, we want to add employee details of more than one employee in the below example. The request parameters in JSON format needs to be sent in the body of the HTTP request. This array is then set as the values of a range and stored in a workbook. Use Invoke-WebRequest or Invoke-RestMethod to call the post method using headers or JSON array. They provided me with the code shown under request. Aug 25, 2022 · If you strictly want to pass a JSON Array as a string object, you need to properly escape it in order to get it working. Here is the client side JS code: function setupForm(){ $("#add"). Swagger’s default Example Value is a bit opaque, as we can see in the Swagger editor: So, here we see that Swagger doesn’t really show an example of what the array contents ought to look like. Oct 12, 2022 · I have a fromForm List object on my Post method like this: [FromForm]List<ObjectDTO> ObjectDto and I can't test on Insomnia (UI) nor Postman (UI) because I have no idea how to pass a list of Mar 23, 2024 · In this tutorial, you will learn how to read JSON from HTTP POST request body in Spring Boot application using the @RequestBody annotation. As already mentioned, the request consists of the key-value pairs. Enter the data of key value pair as below: Id:1 FirstName:John LastName:Smith For adding bytes of Image in ImageData key array generate the byte array of image and enter or copy/paste as below: Id:1 FirstName:John How to pass a JSON Array through a Custom Connector I am working with a Stripe Custom Connector and need to create an array of objects or a dictionary as a parameter to a Stripe API call. If you use JSON. The request mapping won't show multiple occurrences of the field because it does not know how many elements are there in the array, it is decided based on the data. setbody, but I am getting an Call PowerShell POST request with body parameters. How can I pass the values of a multiple choice fie May 16, 2017 · I'm trying to post some data to a http connector but cant figure out how i can post Array data My data Looks like that: This will bind the parameter from the request body as JSON as described in the JSON Request Body section of this doc. You have to use something like Wrapper Object for this Pass it as JSON array and select the raw option like below For a API method signature I use Ubuntu and installed cURL on it. Jun 21, 2023 · What is JSON? JSON or JavaScript Object Notation is a lightweight, human-readable data interchange format. The body also contains other variables. Create Json Array list outside of for loop Dec 20, 2014 · 64 I would suggest passing the JSON data in the body as a POST request. How can I pass an empty array from API Connector? If I leave it empty Mar 18, 2019 · You can send an array in form-data by using the same name for multiple keys, and putting values in each one. Aug 15, 2023 · How to create a Nested JSON Object payload and pass it as the payload of Playwright Java API post request. May 31, 2021 · I have an array of objects to add to my cart which I have to send as body parameter in my POST request, something like this: Oct 16, 2020 · 111 I haven't found the docs for that use case. Mar 14, 2011 · This is an example of a JSON string with Employee as object, then multiple strings and values in an array as a reference to @cregox A bit complicated but can explain a lot in a single JSON string. I solved it by doing JSON. Here is example for raw data {"user_ids": ["123" "233"]}, don't forget the quotes! If you are using the postman REST client you have to use the method I described above because passing data as raw (json Jan 24, 2017 · So I thought I could convert the body myself into a JSON string and using the -Depth parameter from ConvertTo-JSON. The response type is deserialized to <JsonNode> so it can handle any dynamic properties returned in the response. In all the examples I find only Dictionary&lt;str Mar 21, 2022 · The problem is that I want to pass array of integer (ids) as request body as per my destination APIs POST method, but I am not able to call this method using my source code. Master the art of sending JSON data effortlessly. So you should set Headers section in Postman to have Content-Type to be application/json. - in: body name: datasheets required: false schema: type: array items: type: string example: ["ID1", "ID2", "ID3"] The issue seems to be specific to API Platform. I have explained 2 ways to create JSON Object – map or JsonObject. Jan 8, 2024 · To use the x-www-form-urlencoded type in Postman, we need to select the radio button with the same name within the request’s body tab. Json, which UiPath Studio already uses), you don’t need to worry for the most part how to serialize most types, as it will do that for you (including enums, arrays and lists, which is quite handy). submit( Feb 2, 2012 · I have a class public class ItemList { public long Id { get; set; } public string Name { get; set; } public string Description { get; set; } public List&lt;int&gt; ItemModList { ge Dive into the world of PowerShell with our guide on using powershell invoke-restmethod json body. Jan 16, 2023 · I'm following along with a tutorial for an ASP. I wrote my POST code at the Java side. Aug 26, 2024 · If you could please help me to successfully pass either a JS array or a JSON string to the controller, from the view through an AJAX call that would be a great help. You have to use something like Wrapper Object for this Pass it as JSON array and select the raw option like below For a API method signature Always remember when sending an array (list) or dictionary in the HTTP POST request, do use json argument in the post function and set its value to your array (list)/dictionary. The most common approach is to convert the byte array into a Base64 string. When testing a RESTful API, we normally send a POST request to the REST API in JSON format. We use array. How to pass JSON payload in Rest API? Oct 12, 2022 · I have a fromForm List object on my Post method like this: [FromForm]List<ObjectDTO> ObjectDto and I can't test on Insomnia (UI) nor Postman (UI) because I have no idea how to pass a list of Mar 23, 2024 · In this tutorial, you will learn how to read JSON from HTTP POST request body in Spring Boot application using the @RequestBody annotation. How to pass a JSON Array through a Custom Connector I am working with a Stripe Custom Connector and need to create an array of objects or a dictionary as a parameter to a Stripe API call. I have read around and I think I can probably do the POST and include the POST fields, but I have not been able to find out how to pass http body data with GET. It works fine in Xamarin platform as well. For instance, when creating a new user in a web application, a POST request is dispatched to the /users endpoint, carrying the new user object encoded as JSON within the request body. post (url, headers=headers, json=data) Note: POST requests implicitly convert parameter's content type for body to Feb 21, 2023 · Finally, after making sure, it is successful with hardcoded values in the POST Body, then pass the array variable using dynamic expression in the request POST Body. I'd like to adapt it to be able to accept a JSON array with multiple missions, as well as just a single… Note: If you are using the postman packaged app, you can send an array by selecting raw / json (instead of form-data). Mar 20, 2024 · Working with JSON arrays can be straightforward, but some important concepts and techniques must be understood in order to utilize them effectively in your web apps. The response has multiple arrays and I am unsure of how to correctly parse the response. :-) ) Dec 26, 2015 · Postman allows anyone to send any kind of array with their request, you just need to know how. In this case, we can pass multiple JSON objects within a JSON array. I have defined the key for the request as line_items and need to pass a dynamic array object which I have decided to use JSON for. NET library so we can reuse it easier later. -Steve. Why Send JSON Object in the Request Body? Oct 11, 2018 · I have an array of values which was returned back from the first request. AddBody(). Json; request. Your body section in postman should have the option Raw chosen and the body can be like the snippet below, Note: In this sample MessagePartTransfer is a list and each MessagePartTransfer has 2 properties - MessagePartId and MessagePartTypeId Service Method that is being May 3, 2023 · I am doing an API testing using Artillery and I need to pass a JSON payload which is an array of more 20+ fields. How about a fresh start? Jul 10, 2015 · Remember to use this in POST with proper endpoint. { "monitors": [ … Jun 7, 2023 · Add a new step and choose Append to array action and in the Name select the initialized Variable array (VarArray) and in the values action pass the Parse JSON values from the dynamic content as below: Here we will parse the JSON value object of Employee Id, Employee Name, Product Quantity, and Approval Status. push($ {structureUniqueName}) The array in the body would be the ids of the services I want to associate with the proposal specfied by the path param. Approach: Create a button in an HTML document to send JSON objects to a PHP server. Nov 7, 2021 · Notice that I’m passing the BLOB-valued :body bind variable to the json_object_t() constructor in order to pass the resulting JSON object as the value of the p_request parameter in the call to generic_service(). FastAPI is a modern, high-performance Python web framework that makes it easy to build RESTful APIs. Specify an Array of Strings as Body Parameters in Swagger The issue arises when we want to specify an array of strings as body parameters in Swagger. I'm getting errors when I create an input for the proposal ID and an array of integers. It just dawned on me that instead of relying on overwrought workarounds, I could just convert the array or JSON object into a string using string() and then convert that to base64 using base64() which I would then pass to the other flow as a text parameter. Nov 4, 2023 · JSON Array is a list of items surrounded by square brackets. The property names can also be added Mar 2, 2023 · The problem was actually the return value. Jul 31, 2025 · How to Post JSON Data Using cURL CURL is a standard command-line tool for API testing, the question arises: How can one send JSON data using a cURL command? This article guides you through the process of POSTing JSON data using the cURL command. Oct 11, 2021 · What environment are you setting the variables from the GET response body? Or what would you see if you console logged rules on line 3 in the Pre-req script? Sep 26, 2021 · Yes, you can use a JSON body with a POST with a rest connector and yes you can extract a certain field from your response. In order to push the objects to array i used this array. Allow (e. Can someone explain why the request in the first image works, but the second image only posts the first object in the array? For reference, here's the Oct 13, 2023 · I want to send this array in the request body and have my Spring Boot controller method process each object individually. Hi Mona, The OpenAPI definition of your POST request body is correct. Instead, on your second page, you can nab the incoming request using file_get_contents("php://input"), which will contain the POSTed json. JSON does not natively support byte arrays, so encoding is necessary for transmission between a client and server. I can parse the entire body, but I need to iterate through the response and find values within a certain array and return those values for use in populating an import set row table. Can you help me to pass the array as a JSON object. Below is how my JSON data file is structured [ { "name": "Example", "custom_f… Sep 24, 2016 · In this JMeter Tutorial, we explain how to send one or multiple JSON files in the body of the HTTP request. NET Core API. If you believe it’s different, please edit the question, make it clear how it’s different and/or how the answers on that question are not helpful for your problem. Send Post Request: After setting up your request with the JSON data, you can send the POST request and observe the response from the server. Sep 16, 2021 · I want to pass an array inside form data like below: but I am getting the whole array as a string in NodeJS console like this: { targetUniversity: &quot;['613e3ecfefa725074cb17968', ' Aug 15, 2023 · How to create a Nested JSON Object payload and pass it as the payload of Playwright Java API post request. In your case it will be like: r = requests. Now, let’s see how to send an array in Postman. post (url, headers=headers, json=data) Note: POST requests implicitly convert parameter's content type for body to Aug 24, 2015 · I have created this generic and cross platform method to support the BSON format using the Json. If the EmptyBodyBehavior property is set to EmptyBodyBehavior. If you absolutely want your approach, there is a custom implementation that you can do though: Say this is your json: request. This results in parsing the incoming JSON payload into a form that’s easy to work with in PL/SQL. Json,with Sytem. When sending a byte array in a JSON POST request, you need to encode the byte array into a format that can be included in JSON. Oct 15, 2012 · You are correct, @RequestBody annotated parameter is expected to hold the entire body of the request and bind to one object, so you essentially will have to go with your options. As you can see, I pass data as a json string. Jul 4, 2022 · POST API is triggering fine and taking only first json object from array and rest of the json objects are not passing. Jan 14, 2021 · An external vendor is requiring to pass an array/list in order to send data from Salesforce Account to their system. Have a look at my answer for all the details. I'd like to adapt it to be able to accept a JSON array with multiple missions, as well as just a single one. Oct 27, 2022 · How can i pass array of object in POST API? I have achieved the simple request API but now i want an array of object for only one object in JSON. Using Pydantic forces the JSON to have a specific structure. The list was getting passed to the post request function just fine. stringify(array). AddJsonBody(new { A = "foo", B = "bar" }); // Anonymous type object is converted to Json body If you just want POST params instead (which would still map to your model and is a lot more efficient since there's no serialization to JSON) do this: This page explains how to send an array as a parameter in an API call using Claris tools and techniques. I am trying to post a JSON d Always remember when sending an array (list) or dictionary in the HTTP POST request, do use json argument in the post function and set its value to your array (list)/dictionary. [FromBody(EmptyBodyBehavior = EmptyBodyBehavior. I want to test my Spring REST application with cURL. Postman will encode the data before sending it to the server. Associative Arrays or Dictionaries An associative array for PHP developers looks like this: Our engineers are working on it. Let’s warm up with an easy one , I want to create the below payload. how to pass Array of objects as request body in restassured java Asked 3 years, 9 months ago Modified 3 years, 9 months ago Viewed 4k times Sep 2, 2016 · I just needed an example of an array of objects where each one of them had a property which was an array of strings with more than one value in the strings array. How can I get the request body, ensure it's a valid JSON (any valid JSON, including numbers, string, booleans, and nulls, not only objects and arrays) and get the actual JSON. This is the fixed code: Jan 14, 2016 · I'm using Insomnia to test requests to my API. Aug 23, 2017 · 0 For adding array as value, click Bulk Edit in body tab of postman. stringify, it wouldn't be JSON, it'd be an object. In the JavaScript file, add a click event listener to the button. Text. 2 The only thing that helped is to use a file of JSON instead of json body text. I have the following in my controller, which successfully accepts a single Mission item. Aug 19, 2022 · To add an array in the “Form Data” section of a Postman request, follow these steps: Select the request type as “POST” or “PUT” Go to the “Body” tab and select “form-data” as the body type Click on the “key” field and enter the name of the array, with square brackets “ ” appended to the end (e. Feb 2, 2012 · I have a class public class ItemList { public long Id { get; set; } public string Name { get; set; } public string Description { get; set; } public List&lt;int&gt; ItemModList { ge Mar 11, 2021 · Sending an array as form-data on the Postman API Network: This public collection features ready-to-use requests and documentation from My Workspace. It seems like it's forcing me to combine everything in a more complex JSON in the body. In addition to that I tried how it looks like if I convert the hashtable into an object first. But both tries return the same and even worse result: So finally I switched to Invoke-WebRequest. shift () to get the first object in that array, and then set that object as the body for the request. Feb 15, 2021 · It just needs to be an array in valid JSON format. Mar 11, 2021 · Sending an array as form-data on the Postman API Network: This public collection features ready-to-use requests and documentation from My Workspace. Jul 30, 2019 · The first option is a json array and the second example is a json body. Additionally, it will encode both the key and the value. Most web application frameworks support passing arrays in form-data, ensuring the data is interpreted correctly on the server side. First, you will need a text file with the JSON request. Following the example JSON you can recognise objects, arrays, and arrays that contain objects. Sending Array with Postman Postman is a popular tool for API development and testing. ) If you didn't use JSON. stringify () is the inbuilt method in nodejs it accepts a javascript object and returns the stringified object. Code that is used to call the API method is, I'd like to POST an array of objects with $. In the POST call I should send a JSON with an array in it. How can I achieve this through Artillery test script? My inclination is to (1) craft the form in such a way that it submits the data correctly in the raw and then handle the parsing on the backend, or alternately (2) parse the form in JS and assemble it into a JSON object (arrays and otherwise) and submit that as a JSON blob, then parse that on the backend . Also, make sure to set Content-Type as application/json in Headers tab. Jul 23, 2025 · In this article, we will take a look at How to Post raw whole JSON in the body of a Retrofit Request. However, I want to test it with cURL. Jan 22, 2018 · I’m trying to understand how to pass a comma separated array of integers in to an API, via a csv data file. Aug 30, 2018 · Request must be passed as JSON. I’m working with an API which will create users in our application As part of this API we can assign User Access via Groups within the Application. You will learn more about objects and arrays later in this tutorial. Below is the sample code. To view the received data in a more readable format, try this: Jan 8, 2025 · The JSON. In my case, it was an array of strings (Bubble Text types)… ["my string"] In the real world, you might want to run each string in your JSON through the :format as JSON-safe operator. I've set the array as an environment variable so that it can be accessed by other subsequent requests in my collection. Allow)]), the parameter will be set to null or its default value if the request body is empty. Since an array can contain multiple objects, you must select which object you want to access. It will allow you to input of key value pairs in blank area. A sample video is given below to get an idea about what we are going to do in this article. This article provides a detailed tutorial on how to send a POST request with a JSON body using FastAPI. NET, you could post clientId, dtName and append from query and post dtValues from body like below (Be sure your controller is declared with [ApiController]): If you use System. I fixed it by removing the {}. Enter the data of key value pair as below: Id:1 FirstName:John LastName:Smith For adding bytes of Image in ImageData key array generate the byte array of image and enter or copy/paste as below: Id:1 FirstName:John Oct 5, 2025 · Input JSON Data: Navigate to the “Body” tab in your request setup, choose “json” as the format, and input the JSON data you wish to send. I can seem to figure how to do this. Apr 11, 2019 · I am using below code to automate REST API. Just one item should suffice, but it has to be an array. Jul 19, 2025 · Learn how to pass an array as a parameter in Postman with our step-by-step guide. Is it the first one? The last one? Or an object in between? Jul 23, 2025 · The purpose of this article is to pass multiple JSON objects as data using the jQuery $ajax () method in an HTML document. (That doesn't prevent lots of libs from converting to JSON for you, but I'm 99% sure fetch won't. Jan 26, 2023 · Simple POST request with a JSON body using RestSharp This sends an HTTP POST request to the Test JSON API which is a fake online REST API I created that includes a /products route that responds to POST requests with the contents of the post body plus a new id property and createdAt date property. Please see the screenshots below for examples (substitute my_array for any name you want): Jul 14, 2022 · in my code the issue was that i was stringifying the collection variable array= JSON. May 19, 2022 · To form the array in the request, the user won't see multiple occurrences of the field in request mapping; the same data needs to be sent changing the values for just those fields to create the array. Each item in the array is separated by a comma. Learn how to correctly format and pass array values in JSON for effective data interchange in web applications. set. Like THIS: Update 1: I don't think multiple @RequestBody is allowed or possible. I need to trigger API with multiple json payloads sequentially using JMeter and Groovy. RequestFormat = DataFormat. (So if you're working in JavaScript code, and not working with a string, you're not working with JSON. The call to end () function indicates to the server that all processes have been finished so that it can send the response to the user. These are defined with the “groups” element in the request body. Sep 26, 2021 · The second bracket type are square brackets [ and ] that define an array. Here is my DTO: export class financialProposalDTO{ Jan 9, 2017 · How to pass JSON array inside body in retrofit Asked 8 years, 2 months ago Modified 8 years, 2 months ago Viewed 3k times Mar 25, 2024 · I am trying to parse a JSON response from a rest step in flow designer. Oct 5, 2023 · An API can accept a JSON Array payload as a request body. So we are using JSON. Learn how to define, use, and manipulate JSON arrays with examples, best practices, and useful tools for developers in all major languages. Everything I see says you must attached it to the url, but it doesn't look that way on the command line form. Apr 22, 2016 · Im trying to send an array to my Node/MongoDB server via and AJAX POST request.