Payroll systems · Paycor

Paycor

Paycor's own documentation covers employees, pay statements, deduction write, bank account write, tax forms, hours and webhooks through the API. Access: Client admin or partner.

Integration method grade ? · field-level docs NOT publicly readable · last verified 2026-09-26 · Paycor Developers Portal (renders no content unauthenticated)

What the API lets you do

Question	Answer	Conf	What the documentation says
How do you get API access?	Client admin or partner	D	'Only a Paycor Perform HR/Payroll/Company admin can create a Developer Portal account'; prospective partners go through the partner portal. Sandbox and production environments are provided. Source
Can you read employees and pay rates?	Yes — REST read and write	D	Get employees by tenant or legal entity, get employee and pay rates by employee ID, add or update pay rates, and create employees. Source
Can you read pay statements?	Yes — paystubs	D	Get paystubs by employee ID (with check number and planner ID), paystub document links, and payroll processing data by legal entity. Source
Can you write a deduction?	Yes — add / update	D	Add Employee Deduction and PUT Employee Deduction by employee ID, with a CalculateUntil date; hours and earnings can also be posted to the paygrid. Source
Can you write a direct deposit account?	Yes — add / update	D	Add Employee Direct Deposits and PUT Employee Direct Deposit, including HSA variants; unmasked account numbers need a separate data-access setting. Source
Can you read W-2s?	Yes — tax document links	D	Get Employee Tax Document Link by employee ID returns a downloadable tax document; a 'Tax W2C Document Created' event exists. W-2 retrieval is not named explicitly. Source
Can you read hours worked?	Yes — hours and punches	D	Time card hours by employee or legal entity, timecard punches, employee hours, and posting hours or punches into Perform Time. Source
Does it push change events?	Yes — event subscriptions	D	Per-app event subscriptions including Employee.Created, Employee.Modified, Person.Modified and Payroll.Distributed. Source
How does an integration authenticate?	OAuth 2.0 + subscription key	D	OAuth 2.0 with client admin authorisation yields access and refresh tokens per legal entity; every request also needs an Ocp-Apim-Subscription-Key header. Source

Deduction write, in detail

For benefits, HSA/FSA and 401(k) integrations. 8 of 10 fields are unverified — no public source states the answer. Compare every system on the deduction write detail page.

Field	Value	Conf	Note — and what a correct answer needed
Deduction read	Claimed — API	P	A deductions resource at v1/employees/{id}/deductions/{id} is described by third-party integration vendors, not read by us in Paycor’s own reference. Marked practitioner-reported rather than vendor-documented because the source is a competitor’s directory page.
Deduction write	API — add / update	D	Re-checked 2026-09-26 from the portal’s own bundled documentation text. Add Employee Deduction and PUT Employee Deduction by employee ID, with a CalculateUntil date. Field-level shape not otherwise assessed.
Pre-tax vs post-tax at write	Unverified	U	No field-level detail assessed.
Amount vs percent	Unverified	U	No field-level detail assessed.
Effective dating	Unverified	U	No field-level detail assessed.
Retro adjustment	Unverified	U	No field-level detail assessed.
Employer contribution	Unverified	U	No field-level detail assessed.
Code taxonomy shape	Unverified	U	No field-level detail assessed.
Auth model	Unverified	U	Not assessed.
Data freshness	Unverified	U	Not assessed.

D vendor-documented · U unverified · — not offered. See every payroll system side by side in the Payroll API Capability Matrix.