---
title: "Developer guide to get employee data from HR One API"
url: "http://35.223.47.52/blog/developer-guide-to-get-employee-data-from-hr-one-api/"
date: "2026-08-13T12:59:01+00:00"
modified: "2026-08-23T11:20:54+00:00"
type: "post"
---
# Developer guide to get employee data from HR One API
[Blog](http://35.223.47.52/blog) / [Tutorials](http://35.223.47.52/blogs/tutorials/) / Developer guide to get employee data from HR One API [Tutorials](http://35.223.47.52/blogs/tutorials/) · August 13, 2026
Developer guide to get employee data from HR One API
====================================================
Kunal Mishra
4 min read
[](https://www.linkedin.com/sharing/share-offsite/?url=http%3A%2F%2F35.223.47.52%2Fblog%2Fdeveloper-guide-to-get-employee-data-from-hr-one-api%2F) [](https://twitter.com/intent/tweet?url=http%3A%2F%2F35.223.47.52%2Fblog%2Fdeveloper-guide-to-get-employee-data-from-hr-one-api%2F&text=Developer%20guide%20to%20get%20employee%20data%20from%20HR%20One%20API)
Table of Contents - [Getting Employee Data from HR One API](#)
- [Step-by-Step Implementation](#)
- [Common Pitfalls (and How to Avoid Them)](#)
- [Frequently Asked Questions](#)
- [Simplify HR One Integration with Knit](#)
#### Introduction
This guide is part of our ongoing series exploring HRIS APIs in depth. In this edition, we’ll walk through how to retrieve employee data, from setup to execution. from [HR One API ](/integration/hr-one-hris/)and help you avoid common integration mistakes.
Whether you’re fetching a single employee’s record or syncing a complete employee database, this guide will show you how to build a robust and efficient connection to the HR One API with practical examples in Python.
To get more details on HR One API, click [here](/integration/hr-one-hris/).
### Getting Employee Data from HR One API
#### Overview
The HR One API provides endpoints to fetch both standard and custom employee data. You can use it to retrieve information for one employee or all employees, depending on your business needs.
#### Prerequisites
Before you begin, ensure you have:
- Valid access credentials for the HR One API (with `employees:read` permission).
- A Python environment with the `requests` library installed.
#### API Endpoints
- **Get Employee Information:**
`https://hronemanagedapi.hrone.cloud/dev/api/external/employees`
- **Get Employee Custom Information:**
`https://hronemanagedapi.hrone.cloud/dev/api/external/getempinfo`
### Step-by-Step Implementation
**1. Set up your environment**
```
import requests
```
**2. Define your request payload**
The payload must include pagination details and any filters (like employee code or department).
```
payload = {
"pagination": { "pageNumber": 1, "pageSize": 10 },
"employeeCode": "EMP123"
}
```
`
`
**3. Make the API request**
Use the `requests` library to send a POST request with your payload and authorization token.
```
url = "https://hronemanagedapi.hrone.cloud/dev/api/external/employees"
headers = {
"Content-Type": "application/json",
"Authorization": "Bearer YOUR_ACCESS_TOKEN"
}
response = requests.post(url, json=payload, headers=headers)
```
`
`
**4. Handle the response**
Always check the status code before parsing the data.
```
if response.status_code == 200:
employee_data = response.json()
print(employee_data)
else:
print("Error:", response.status_code, response.text)
```
### Common Pitfalls (and How to Avoid Them)
1. **Incorrect endpoint:** Double-check whether you’re using `/employees` or `/getempinfo` depending on the type of data you need.
2. **Expired or missing tokens:** Tokens expire; set up auto-refresh or reauthentication.
3. **Malformed payloads:** Validate your JSON structure before sending requests.
4. **Ignoring pagination:** For large datasets, loop through pages to avoid missing records.
5. **Exceeding rate limits:** Respect HR One’s rate limits and implement exponential backoff for retries.
6. **Not validating responses:** Always check for non-200 responses to catch errors early.
7. **Hardcoded filters:** Make employee filters dynamic so integrations scale as data grows.
### Frequently Asked Questions
**1. What’s the default page size?**
Usually 10, but you can define a custom value in the payload under `pageSize`.
**2. How do I authenticate?**
Use a Bearer token in the Authorization header and refresh it regularly to avoid 401 errors.
**3. Can I filter employees by department or location?**
Yes. Add filters like `department` or `location` in your request payload.
**4. What date format should I use?**
The HR One API uses the RFC3339 (ISO 8601) date format.
**5. How can I handle large datasets?**
Use pagination and process results in batches to manage performance efficiently.
**6. Can I retrieve custom employee fields?**
Yes, use the `/getempinfo` endpoint to fetch additional or custom data attributes.
**7. What should I do if I get a 429 or 401 error?**
A 429 means you’ve hit the rate limit, retry after the suggested interval.
A 401 indicates an invalid or expired token. refresh your access token.
### Simplify HR One Integration with Knit
If you want to skip the hassle of manual HR One API setup, authentication, and maintenance, you can use [**Knit**](/), a unified HRIS API that connects to [HR One](/integration/hr-one-hris/) (and dozens of other HR systems) with a single integration.
Knit handles token management, data normalization, and version maintenance behind the scenes, so your team can focus on building great employee experiences, not maintaining complex integrations.
Written by Kunal Mishra
Changing integration landscape, one organization at a time
Keep Reading
------------
 [Tutorials](http://35.223.47.52/blogs/tutorials/)
### [How to Create a Slack Bot in 5 Minutes: A to Z Guide](http://35.223.47.52/blog/how-to-create-a-slack-bot/)
You can create your own Slack Bot in just a few minutes with the Knit Unified API. Read this step-by-step…
August 13, 2026 · 3 min read
 [Tutorials](http://35.223.47.52/blogs/tutorials/)
### [How to Build and Deploy a Microsoft Teams Bot](http://35.223.47.52/blog/how-to-build-and-deploy-a-microsoft-teams-bot/)
You can either build Microsoft Teams Bot on your own or you can use Knit's Unified API to create it…
August 13, 2026 · 4 min read
 [Tutorials](http://35.223.47.52/blogs/tutorials/)
### [What Should You Look For in A Unified API Platform?](http://35.223.47.52/blog/what-should-you-look-for-in-a-unified-api-platform/)
The right unified API can solve all your integration woes at minimal effort and cost. Read this to know how…
August 13, 2026 · 14 min read
\#1 in Ease of Integrations
---------------------------
4.9 out of 5 stars on G2
Put Integrations on Autopilot. Talk to Experts.
-----------------------------------------------
Knit is loved by customers across the globe due to our seamless product and white glove support. You'll love us too!
[Talk to a Human](/book-demo)