Payroll systems by data capability
What each payroll system will actually let you read and write at the deduction boundary. Products are listed separately, not companies — ADP Workforce Now, RUN, Vantage and Next Gen are four different contracts.
18 entries · 180 cells · 84 unverified — 46.7% of the record. The grid below shows the confidence marks; the value and note behind every cell are on each system's profile page, linked from its name. Field definitions: methodology.
| Entry | Method | Read | Write | Tax at write | Amt/pct | Dating | Retro | Employer | Codes | Auth | Freshness | Verified |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ADP Workforce Now | A | D | D | D | D | D | D | D | D | U | D | 2026-09-10 |
| Paylocity Web Pay | A | D | D | D | D | D | U | D | D | U | U | 2026-09-10 |
| Gusto Embedded Payroll | A | D | D | D | D | D | U | D | D | U | U | 2026-09-10 |
| Rippling docs not public | ? | U | D | U | U | U | U | U | U | U | U | 2026-09-26 |
| isolved People Cloud docs not public | ? | U | U | U | U | U | U | U | U | U | U | 2026-09-10 |
| Paycor docs not public | ? | P | D | U | U | U | U | U | U | U | U | 2026-09-26 |
| UKG Pro | B | D | D | U | D | D | U | D | D | D | U | 2026-09-11 |
| Paychex docs not public | ? | U | D | U | U | U | U | U | U | U | U | 2026-09-26 |
| Paycom docs not public | ? | U | U | U | U | U | U | U | U | U | U | 2026-09-10 |
| Workday HCM | A | D | D | D | D | D | D | U | D | D | U | 2026-09-26 |
| Dayforce docs not public | ? | U | D | D | D | D | U | D | D | D | U | 2026-09-26 |
| ADP RUN docs not public | A | D | D | D | D | D | U | D | D | D | D | 2026-09-26 |
| QuickBooks Payroll | A | D | D | D | D | U | U | D | D | D | D | 2026-09-26 |
| Justworks | A | D | D | D | D | D | U | D | U | D | U | 2026-09-26 |
| TriNet docs not public | ? | U | U | U | U | D | U | U | U | D | U | 2026-09-26 |
| Toast Payroll docs not public | ? | D | D | D | D | D | U | U | D | D | U | 2026-09-26 |
| Square Payroll docs not public | ? | D | D | D | D | U | U | D | D | D | U | 2026-09-26 |
| BambooHR Payroll | B | D | D | U | D | D | U | D | D | D | U | 2026-09-26 |
System profiles
Each profile carries what the system's own API lets you do, and this deduction record in full. Side by side: the Payroll API Capability Matrix.
- ADP Workforce Now · method A · verified 2026-09-10
- Paylocity Web Pay · method A · verified 2026-09-10
- Gusto Embedded Payroll · method A · verified 2026-09-10
- Rippling · method ? · verified 2026-09-26
- isolved People Cloud · method ? · verified 2026-09-10
- Paycor · method ? · verified 2026-09-26
- UKG Pro · method B · verified 2026-09-11
- Paychex · method ? · verified 2026-09-26
- Paycom · method ? · verified 2026-09-10
- Workday HCM · method A · verified 2026-09-26
- Dayforce · method ? · verified 2026-09-26
- ADP RUN · method A · verified 2026-09-26
- QuickBooks Payroll · method A · verified 2026-09-26
- Justworks · method A · verified 2026-09-26
- TriNet · method ? · verified 2026-09-26
- Toast Payroll · method ? · verified 2026-09-26
- Square Payroll · method ? · verified 2026-09-26
- BambooHR Payroll · method B · verified 2026-09-26
Coverage roadmap — located, not yet assessed
Named here rather than added to the table as unverified rows, and excluded from the counts above.
| Not yet assessed | Status |
|---|---|
| ADP Vantage HCM | A dedicated Deduction API Guide for ADP Vantage HCM exists on ADP’s CDN. Located, not yet read. |
| ADP Workforce Now Next Gen | A separate Deduction Instruction Guide exists and is a different contract from Workforce Now. Located, not yet read. |
| ADP Enterprise HR | A Worker General Deductions API Guide exists on a public, non-protected CDN path. Located, not yet read. |
| Sage | Not yet assessed. |