---
title: "Fetch job application data from JazzHR ATS API"
description: "A practical guide to retrieving job application data from the JazzHR ATS API. Covers prerequisites, key endpoints, step-by-step integration, pitfalls to avoid, FAQs, and how Knit simplifies your JazzHR API workflow."
source_url: "https://www.getknit.dev/blog/fetch-job-application-data-from-jazzhr-ats-api"
page_type: "blog"
---

_This is an educational blog post from Knit's blog: “Fetch job application data from JazzHR ATS API”._

# Fetch job application data from JazzHR ATS API

## **Introduction**

If you're building a scalable talent workflow, access to reliable, structured applicant data is non-negotiable. [JazzHR’s ATS API](https://developers.getknit.dev/docs/jazzhr-ats-usecases) gives you exactly that, candidate records, job-linked applications, and metadata developers rely on for downstream automation.

This guide breaks down how to fetch job application data from the JazzHR ATS API in a clean, developer-first way. It’s part of our broader deep-dive series on JazzHR integrations, covering authentication, rate limits, sync patterns, and more.

For the full ATS API guide, visit [here](https://www.getknit.dev/blog/ats-integration-guide).

## **Prerequisites**

*   JazzHR account with API access enabled
*   Valid API key
*   Python environment with `requests` installed

## **Key API Endpoints**

*   Get a single candidate: `GET /candidates/{candidate_id}`
*   Get all candidates: `GET /candidates`

### **1\. Set Up Your Environment**

```
import requests
```

### **2\. Define Your API Key**

```
api_key = "your_api_key_here"
```

### **3\. Fetch a Single Candidate**

```
def get_single_candidate(candidate_id):
    url = f"https://api.jazzhr.com/v1/candidates/{candidate_id}"
    headers = {"Authorization": f"Bearer {api_key}"}
    response = requests.get(url, headers=headers)
    return response.json()
```

### **4\. Fetch All Candidates**

```
def get_all_candidates():
    url = "https://api.jazzhr.com/v1/candidates"
    headers = {"Authorization": f"Bearer {api_key}"}
    response = requests.get(url, headers=headers)
    return response.json()
```

## **Pitfalls to Watch Out For**

Teams often underestimate the operational friction in production-grade ATS integrations. Keep an eye on:

*   **Silent auth failures** when tokens are outdated or misconfigured
*   **Rate limit throttling**, especially when bulk-pulling candidate lists
*   **Incomplete pagination handling**, leading to missing candidates
*   **Large payload overhead**, which can slow down downstream systems
*   **Field variability across candidates**, making schema mapping tricky
*   **Deprecated endpoints**, particularly in older JazzHR accounts
*   **Data privacy obligations**, especially around PII and storage locations

## **FAQs**

**How do I get my JazzHR API key?**  
From your JazzHR admin console or via JazzHR support.

**Can I filter candidates by job or status?**  
Yes. Use query parameters such as job ID, stage, and date filters.

**Does JazzHR support pagination?**  
Yes. Use the pagination parameters to iterate through large datasets.

**Is there a sandbox environment?**  
JazzHR may provide controlled access, confirm with their support team.

**What format does the API return?**  
JSON is the standard response format.

**Can I update candidate records via API?**  
JazzHR exposes PUT/POST endpoints for updates when permitted by your plan.

**What should I do if I hit rate limits?**  
Implement retry logic with backoff or shift to periodic syncs rather than real-time pulls.

## **How Knit Simplifies JazzHR API Integration**

If your engineering team is tired of managing [JazzHR ATS API](https://www.getknit.dev/integration/jazzhr-ats) authentication, token handling, endpoint maintenance, and candidate sync logic, Knit takes the heavy lifting out of the equation. A single integration with Knit gives you streamlined, ready-to-consume JazzHR data pipelines, no ongoing maintenance, no breaking changes, and no integration debt piling up.


## Related pages

- [How Knit works](https://md.getknit.dev/how-knit-works)
- [Unified API product](https://md.getknit.dev/products/unified-api)