Skill History

This module covers history operations for skills within a Zoho Projects portal. Use this API to retrieve the audit history of changes made to a skill, including user associations, level updates, and field edits.

Get Skill History

Retrieve the audit history for a specific skill, including user associations, level updates, and field edits.

GET

/api/v3/portal/[PORTAL_ID]/skills/[SKILL_ID]/history

OAuth Scope:

ZohoProjects.skillset.READ

Path Parameters

Param Name

Data Type

Description

portal_id

String

required
regex : [0-9]+

Unique, immutable identifier of the portal in Zoho Projects. You can obtain it from the Get Portals API (the "id" field in the response).

skill_id

String

required
regex : [0-9]+

Identifier of a skill. You can obtain it from the Get Skills API (the "id" field in the response).

Query Parameters

Param Name

Data Type

Description

token

String

Enter the pagination token returned in the next_token response header to fetch the next page of history entries. Tokens are valid for 6 hours.

Request Example

cURL
Deluge
Node.js
Ruby
PHP
- Python
- C
- C#
- C++
- Clojure
- Go
- HTTP
- Java
- JS Fetch
- JSON
- Kotlin
- Objective-C
- OCaml
- PowerShell
- R
- Swift

curl -X GET \
'https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history?token=eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9' \
-H 'Authorization: Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa'

url = "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history";
params = Map();
params.put("token", "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9");
response = invokeUrl
[
    url: url
    type: GET
    parameters: params
    connection: "projects"
];
info response;

const https = require('https');
const url = new URL('https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history');
url.searchParams.append('token', 'eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9');

const options = {
  hostname: url.hostname,
  path: url.pathname + url.search,
  method: 'GET',
  headers: {
    'Authorization': 'Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa'
  }
};

const req = https.request(options, (res) => {
  let data = '';
  res.on('data', (chunk) => { data += chunk; });
  res.on('end', () => { console.log(JSON.parse(data)); });
});

req.on('error', (err) => { console.error(err); });
req.end();

require 'net/http'
require 'uri'
require 'json'

url = URI("https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history")
params = {
  "token" => "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9"
}
url.query = URI.encode_www_form(params)

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = "Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa"

response = http.request(request)
puts response.read_body

<?php
$params = [
    'token' => 'eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9',
];
$url = "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history" . "?" . http_build_query($params);

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => $url,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa"
  ],
]);

$response = curl_exec($curl);
curl_close($curl);

echo $response;

import requests

url = "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history"

params = {
    "token": "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9"
}

headers = {
    "Authorization": "Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa",
}

response = requests.get(url, headers=headers, params=params)

print(response.json())

#include <stdio.h>
#include <string.h>
#include <curl/curl.h>

int main(void) {
    CURL *curl = curl_easy_init();
    if (curl) {
        char *enc_token = curl_easy_escape(curl, "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9", 0);
        char url[2048];
        snprintf(url, sizeof(url), "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history?token=%s", enc_token);

        struct curl_slist *headers = NULL;
        headers = curl_slist_append(headers, "Authorization: Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa");

        curl_easy_setopt(curl, CURLOPT_URL, url);
        curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
        curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "GET");

        CURLcode res = curl_easy_perform(curl);
        if (res != CURLE_OK)
            fprintf(stderr, "curl failed: %s\n", curl_easy_strerror(res));

        curl_free(enc_token);
        curl_slist_free_all(headers);
        curl_easy_cleanup(curl);
    }
    return 0;
}

using System.Net.Http;
using System.Text;
using System.Web;

var client = new HttpClient();
client.DefaultRequestHeaders.Add("Authorization", "Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa");

var query = HttpUtility.ParseQueryString(string.Empty);
query["token"] = "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9";
var uriBuilder = new UriBuilder("https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history") { Query = query.ToString() };
var request = new HttpRequestMessage(HttpMethod.Get, uriBuilder.Uri);

var response = await client.SendAsync(request);
var body = await response.Content.ReadAsStringAsync();
Console.WriteLine(body);

#include <iostream>
#include <string>
#include <curl/curl.h>

static size_t WriteCallback(void* contents, size_t size, size_t nmemb, std::string* output) {
    output->append((char*)contents, size * nmemb);
    return size * nmemb;
}

int main() {
    CURL* curl = curl_easy_init();
    if (curl) {
        std::string response;
        char* enc_token = curl_easy_escape(curl, "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9", 0);
        std::string url = "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history";
        url += "?token=" + std::string(enc_token);

        struct curl_slist* headers = NULL;
        headers = curl_slist_append(headers, "Authorization: Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa");

        curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
        curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
        curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "GET");
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);

        CURLcode res = curl_easy_perform(curl);
        if (res == CURLE_OK)
            std::cout << response << std::endl;
        else
            std::cerr << curl_easy_strerror(res) << std::endl;

        curl_free(enc_token);
        curl_slist_free_all(headers);
        curl_easy_cleanup(curl);
    }
    return 0;
}

(require '[clj-http.client :as client])

(let [enc-token (java.net.URLEncoder/encode "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9" "UTF-8")
      url (str "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history" "?token=" enc-token)]
(def response
  (client/get url
    {:headers {"Authorization" "Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa"}
     :as :json}))

(println (:body response))

package main

import (
    "fmt"
    "io"
    "net/http"
    "net/url"
)

func main() {
    req, _ := http.NewRequest("GET", "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history", nil)
    q := req.URL.Query()
    q.Add("token", "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9")
    req.URL.RawQuery = q.Encode()
    req.Header.Add("Authorization", "Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa")

    resp, _ := http.DefaultClient.Do(req)
    defer resp.Body.Close()
    body, _ := io.ReadAll(resp.Body)
    fmt.Println(string(body))
}

GET https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history?token=eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9 HTTP/1.1
Host: https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history?token=eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9
Authorization: Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa

HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();

SSLContext sslContext = SSLContext.getDefault();
SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslContext, NoopHostnameVerifier.INSTANCE);
CloseableHttpClient httpclient = httpClientBuilder.setSSLSocketFactory(sslConnectionSocketFactory).build();

URIBuilder uriBuilder = new URIBuilder("https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history");
uriBuilder.addParameter("token", "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9");
HttpUriRequest requestObj = new HttpGet(uriBuilder.build());
requestObj.addHeader("Authorization", "Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa");

HttpResponse response = httpclient.execute(requestObj);

HttpEntity responseEntity = response.getEntity();
Object responseObject = EntityUtils.toString(responseEntity);
String responseString = responseObject.toString();

const url = 'https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history';

const params = new URLSearchParams({
  'token': 'eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9'
});

const options = {
  method: 'GET',
  headers: {
    'Authorization': 'Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa'
  }
};

fetch(url + '?' + params.toString(), options)
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error(error));

token = "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9"

import java.net.HttpURLConnection
import java.net.URL
import okhttp3.HttpUrl.Companion.toHttpUrl

fun main() {
    val urlBuilder = "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history".toHttpUrl().newBuilder()
    urlBuilder.addQueryParameter("token", "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9")
    val url = URL(urlBuilder.build().toString())
    val conn = url.openConnection() as HttpURLConnection
    conn.requestMethod = "GET"
    conn.setRequestProperty("Authorization", "Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa")

    val response = conn.inputStream.bufferedReader().readText()
    println(response)
}

NSString *encodedToken = [@"eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9" stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
NSString *urlString = [NSString stringWithFormat:@"https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history?token=%@", encodedToken];
NSURL *url = [NSURL URLWithString:urlString];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod:@"GET"];
[request setValue:@"Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa" forHTTPHeaderField:@"Authorization"];

NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *task = [session dataTaskWithRequest:request
    completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
        NSString *result = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
        NSLog(@"%@", result);
}];
[task resume];

open Lwt
open Cohttp_lwt_unix

let () =
  let enc_token = Uri.pct_encode "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9" in
  let uri = Uri.of_string ("https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history" ^ "?token=" ^ enc_token) in
  let headers = Cohttp.Header.init ()
    |> fun h -> Cohttp.Header.add h "Authorization" "Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa"
  in
  Lwt_main.run (
    Client.get ~headers uri >>= fun (_, body) ->
    Cohttp_lwt.Body.to_string body >|= fun s ->
    print_endline s)

$headers = @{
    "Authorization" = "Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa"
}

$params = @{
    token = "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9"
}
$queryString = ($params.GetEnumerator() | ForEach-Object { "$($_.Key)=$([System.Uri]::EscapeDataString($_.Value))" }) -join "&"
$url = "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history" + "?" + $queryString

$response = Invoke-RestMethod -Uri $url -Method GET -Headers $headers

$response | ConvertTo-Json

library(httr)

url <- "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history"

params <- list(
  token = "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9"
)

response <- GET(
  url,
  add_headers(Authorization = "Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa"),
  query = params
)

content(response, "text")

import Foundation

var components = URLComponents(string: "https://projects.zoho.com/api/v3/portal/[PORTAL_ID]/skills/8000000123001/history")!
components.queryItems = [
    URLQueryItem(name: "token", value: "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9")
]
let url = components.url!
var request = URLRequest(url: url)
request.httpMethod = "GET"
request.setValue("Bearer 1000.03xxxxxxxxxxxxxxxxxa5317.dxxxxxxxxxxxxxxxxxfa", forHTTPHeaderField: "Authorization")

let semaphore = DispatchSemaphore(value: 0)
let task = URLSession.shared.dataTask(with: request) { data, response, error in
    if let data = data, let result = String(data: data, encoding: .utf8) {
        print(result)
    }
    semaphore.signal()
}
task.resume()
semaphore.wait()

Sample Input

token : "eyJ0eXBlIjoic2tpbGxfaGlzdG9yeSIsInRva2VuIjoiODAwMDAwMDEyMzAwMSJ9"

Sample Response

200[ { "id" : "8000000200001", "action_time" : "2025-04-20T09:15:00.000Z", "operation" : "associated", "entity" : "React", "action_by" : { "id" : "8000000002055", "full_name" : "Elle Jason", "email" : "elle.jason@zylker.com", "zpuid" : "8000000002055" }, "source" : "user", "changes" : [ { "type" : "skill_user_association", "added" : [ { "name" : "Monica Hemsworth", "level" : "intermediate" } ], "removed" : [ ], "level_changed" : [ ] } ] }, { "id" : "8000000200002", "action_time" : "2025-02-15T14:30:00.000Z", "operation" : "level_changed", "entity" : "React", "action_by" : { "id" : "8000000002411", "full_name" : "John Smith", "email" : "john.smith@zylker.com", "zpuid" : "8000000002411" }, "source" : "user_skill", "target_user" : { "id" : "8000000002055", "full_name" : "Elle Jason", "email" : "elle.jason@zylker.com", "zpuid" : "8000000002055" }, "changes" : [ { "display_name" : "Skill Level", "old_value" : "beginner", "new_value" : "advanced" } ] }, { "id" : "8000000200003", "action_time" : "2024-11-10T09:00:00.000Z", "operation" : "create", "entity" : "React", "action_by" : { "id" : "8000000002143", "full_name" : "Monica Hemsworth", "email" : "monica.hemsworth@zylker.com", "zpuid" : "8000000002143" }, "source" : "user", "changes" : [ ] } ]

Possible Errors