Paychex API

Integrate Paychex with your product—along with any other
HR & Payroll
 application

Connect your product to all the applications your customers use via Merge's

HR & Payroll

 

Unified API to close more deals, retain customers, and expand to new markets

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Your Product
Merge
Your customers' data
Async Passthroughs
Audit Trails
Bank Info
Benefits
Companies
Dependents
Employee Payroll Runs
Employees
Employer Benefits
Employments
Field Mappings
Groups
Locations

Top integration use cases for Paychex

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Sync Paychex Data

Bank Info

The BankInfo object is used to represent the Bank Account information for an Employee.

Docs
Benefits

The Benefit object is used to represent a benefit that an employee has enrolled in.

Docs
Companies

The Company object is used to represent a company within the HRIS / Payroll system.

Docs
Employees

The Employee object is used to represent any person who has been employed by a company.

Docs
Employee Payroll Runs

The EmployeePayrollRun object is used to represent an employee's pay statement for a specific payroll run.

Docs
Employer Benefits

The Employer Benefit object is used to represent a benefit plan offered by a company.

Docs
Employments

The Employment object is used to represent a job position at a company. If an integration supports historical tracking of employments, it will be reflected in the data. If not, a new Employment object will be created whenever there is a change in job title or pay. The effective_date field should be used to order Employment objects, with the most recent date corresponding to the latest employment record for an employee.

Docs
Groups

The Group object is used to represent any subset of employees across, for example, DEPARTMENT or TEAM. Employees can be in multiple Groups.

Docs
Locations

The Location object is used to represent an address that can be associated with an employee.

Docs
Payroll Runs

The PayrollRun object is used to represent a group of pay statements for a specific pay schedule.

Docs
Teams

The Team object is used to represent a subdivision of the company, usually a department. Each employee will be grouped into one specific Team.

Docs

FAQ on integrating with Paychex’s API

What types of Paychex data can I retrieve through Merge's API?

You can access comprehensive HR data, including employee records, payroll information, benefits details, direct deposit (banking) information, and more. This data is also normalized into Merge's standardized Common Models, allowing you to access and manage Paychex data seamlessly across different HRIS integrations​.

Learn more about the Paychex data you can access via Merge.

How does Merge normalize Paychex data fields?

Merge normalizes Paychex data by converting it into standard data models that are consistent across other HRIS platforms supported by Merge. This process allows you to work with Paychex data in a format that's compatible with other HR systems and simplifies multi-platform data handling.

How frequently does Merge sync data from Paychex?

Merge provides flexible sync frequencies. And while they vary based on the Common Model and frequency you set (Highest, High, Standard, and Daily), they’re typically every hour, 3 hours, 6 hours, or 24 hours.

You can also sync data outside of these intervals via Merge’s Force Resync endpoint, and you can sync data in real-time by using Merge’s Automatic Webhooks feature.

Learn more about Merge’s sync frequencies for Paychex.

How can I check when Paychex data was last synced?

You can monitor the last sync status for Paychex data directly within the Merge Dashboard. This feature allows you to view the most recent sync timestamp, ensuring visibility into data freshness and the timing of the last update

What organizations use Merge’s Paychex integration?

A wide range of companies use it, including Opus, Bonusly, Snappy, and Ramp.

You can learn more about the organizations that use Merge’s Paychex integration—among other HRIS integrations—here.

What happens if a Paychex sync is missed or fails?

Merge provides robust observability tools that notify you when a sync fails or encounters errors. The platform automatically retries failed syncs, and you can monitor the sync status and logs to diagnose any issues. 

In case the issue lies on your customer’s end, Merge will diagnose the issue and provide the appropriate remediation steps, enabling your customer success team to work with the affected client on resolving the issue quickly.

What HRIS and payroll integrations does Merge support in addition to Paychex?

Merge supports a wide range of HRIS integrations beyond Paychex (70+ HRIS integrations), enabling customers to integrate with various HR and payroll platforms. Here’s a list of other popular HRIS integrations supported by Merge:

  • ADP Workforce Now
  • BambooHR
  • Gusto
  • UKG Pro
  • Workday
  • Namely
  • Ceridian Dayforce
  • SAP SuccessFactors
  • Deel
  • Personio
  • Rippling
  • Justworks
  • TriNet
  • Insperity
  • Oracle HCM
  • Square Payroll

You can find the full list here.

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Get Employee Data
Python
Ruby
Node
Go
Java
.NET
import merge
from merge.client import Merge
merge_client = Merge(api_key="<YOUR_API_KEY>", account_token="<YOUR_ACCOUNT_TOKEN>")
employee = merge_client.hris.employees.list()

import { MergeClient, Merge } from '@mergeapi/merge-node-client';
const merge = new MergeClient({
  apiKey: 'YOUR_API_KEY',
  accountToken: 'YOUR_ACCOUNT_TOKEN',
});
employee = await merge.hris.employees.list()

ApiClient.instance.authentications.tokenAuth = {
  type: 'bearer',
  accessToken: 'API_KEY',
};
new EmployeesApi().employeesList('ACCOUNT_TOKEN', {}, (data) => {
  console.log(data);
});

import (
  "context"
  "fmt"
  merge "github.com/fern-api/merge-go"
  mergeclient "github.com/fern-api/merge-go/client"
  "github.com/fern-api/merge-go/hris"
)

client := mergeclient.NewClient(
  mergeclient.ClientWithAuthApiKey("<YOUR_API_KEY>"),
  mergeclient.ClientWithHeaderAccountToken("<YOUR_ACCOUNT_TOKEN>"),
)
employee, err := client.Hris().Employees().List(
  context.TODO(),
  &hris.EmployeesRetrieveRequest{
    IncludeRemoteData: merge.Bool(true),
  },
)
if err != nil {
  return err
}
fmt.Printf("Retrieved employee with ID %q\n", *employee.Id)

ApiClient client = Configuration.getDefaultApiClient();
client.setBasePath('https://api.merge.dev/api/ats/v1');
ApiKeyAuth tokenAuth = client.getAuthentication('tokenAuth');
tokenAuth.setApiKey('API_KEY');
CandidatesApi apiInstance = new CandidatesApi(client);
apiInstance.candidatesList('ACCOUNT_TOKEN');

import com.merge.api.MergeApiClient;
import com.merge.api.resources.hris.employees.requests.EmployeesRetrieveRequest;
import com.merge.api.resources.hris.types.Employee;
MergeApiClient mergeClient = MergeApiClient.builder()
    .accountToken("ACCOUNT_TOKEN")
    .apiKey("API_KEY")
    .build();
Employee employee = mergeClient.hris().employees().list(
    EmployeesRetrieveRequest.builder()
        .includeRemoteData(true)
        .build());

{
"id": "0958cbc6-6040-430a-848e-aafacbadf4ae",
"remote_id": "19202938",
"employee_number": "2",
"company": "8d9fd929-436c-4fd4-a48b-0c61f68d6178",
"first_name": "Dirna",
"last_name": "Emanuel",
"display_full_name": "Dirna Emanuel",
"username": "dirnaemanuel",
"groups": [
  "21a54124-397f-494d-985e-3c5b330b8a68"
],
"work_email": "dirna@merge.dev",
"personal_email": "dirnaemanuel@gmail.com",
"mobile_phone_number": "+1234567890",
"employments": [
  "17a54124-287f-494d-965e-3c5b330c9a68"
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Third-party providers require specific (and often different) fields to write data to their APIs, making your code a mess.

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