# Symmetry

**Canonical:** https://apis.io/providers/symmetry/  
**Website:** https://symmetry.com/  
**APIs profiled:** 0

Symmetry provides payroll tax compliance software that enables employers, payroll providers, and platforms to calculate and file employee and employer taxes. Its products include a tax engine, payroll forms automation, I‑9 verification, payroll point location‑based tax rates, and minimum‑wage data for the United States and Canada. The company targets payroll providers, vertical payroll platforms, EOR and PEO services, recruiting and staffing firms, and large employers seeking automated, compliant payroll tax solutions.

## Kin Score — 33.7 / 100 (thin)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 39.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 40.5 |
| Access Clarity | 31.6 |

Regulatory layer — **Employment & Payroll**: 19.6 (matched via tags).

## Agent readiness — 38.8 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | served |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | yes |
| Agent Skills | no |
| Well Known Catalog | yes |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | served |
| Protected Resource Metadata | verified |
| Dynamic Client Registration | yes |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |

## Security (2)

- **Symmetry Authentication** — 5 schemes
- **Symmetry Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Payroll Tax Compliance, Payroll Platforms, EOR, PEO, Recruiting, Staffing, Large Employers, Tax APIs

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/symmetry/). Scores are computed from the provider's own public artifacts under a published rubric.