payrolldataspecs.com

Payroll systems · isolved

isolved People Cloud

isolved publishes no documentation we could read for any of the core capabilities. Access: Partner only (Marketplace).

Integration method grade ? · field-level docs NOT publicly readable · last verified 2026-09-10 · No public reference located

What the API lets you do

Question Answer Conf What the documentation says
How do you get API access? Partner only (Marketplace) D The isolved Marketplace partner page describes a 'robust REST architecture underlying isolved People Cloud' behind a partner application form; the REST reference requires a login. Source
Can you read employees and pay rates? Unverified U The API reference is behind a login; no public endpoint list.
Can you read pay statements? Unverified U The API reference is behind a login.
Can you write a deduction? Unverified U The API reference is behind a login.
Can you write a direct deposit account? Unverified U The API reference is behind a login.
Can you read W-2s? Unverified U The API reference is behind a login.
Can you read hours worked? Unverified U The API reference is behind a login.
Does it push change events? Unverified U The Marketplace page does not mention webhooks or events.
How does an integration authenticate? Unverified U The auth model is not stated publicly.

Deduction write, in detail

For benefits, HSA/FSA and 401(k) integrations. 10 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 Unverified U The HCM REST Swagger is reported to sit at myisolved.com/rest with access limited to clients and vendors under NDA. That gating claim is itself second-hand, from a third-party forum post rather than from isolved — so we cannot verify even the terms on which the specification is withheld.
Deduction write Unverified U No public field-level specification. Third parties state deductions and deduction reconciliation move over isolved APIs with OAuth 2.0, but publish no field detail.
Pre-tax vs post-tax at write Unverified U No public specification.
Amount vs percent Unverified U No public specification.
Effective dating Unverified U No public specification.
Retro adjustment Unverified U No public specification.
Employer contribution Unverified U No public specification. A third-party integration page claims OAuth 2.0 and deduction exchange, without field detail.
Code taxonomy shape Unverified U No public specification.
Auth model Unverified U Third parties describe OAuth 2.0 with client ID and secret via Basic authentication to obtain a token. Not confirmed against isolved documentation.
Data freshness Unverified U No public specification.

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