# Fourth

**Canonical:** https://apis.io/providers/fourth/  
**Website:** https://www.fourth.com/  
**APIs profiled:** 7

Fourth is an AI-powered workforce management and inventory platform built for restaurants and hospitality, uniting recruiting, HR, payroll, labor scheduling, purchasing, and inventory management in a single system across 120,000+ locations globally (customers include Taco Bell, Dunkin', KFC, Pizza Hut and Culver's). Its product family includes HotSchedules for scheduling, Fourth iQ for restaurant performance, Human Capital Management for talent and payroll, and Adaco inventory for hotels. Fourth publishes a developer portal of REST APIs covering POS transactions, recipe & menu engineering, menu cycles, workforce (UK employee, labor productivity, schedules), notifications, tasks, SCIM identity provisioning, and Adaco hotel inventory. APIs authenticate with OAuth 2.0 (client_credentials and password grants) or Basic Auth; production and test host locations are provisioned per mutual customer and are not publicly disclosed.

## Kin Score — 33.7 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+1.2 from 32.5).

| Facet | Score |
|---|---|
| Discoverability | 83.3 |
| Contract Quality | 0.0 |
| Governance | 18.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 52.6 |
| Developer Ergonomics | 38.1 |
| Commercial Clarity | 43.4 |
| Access Clarity | 43.4 |

## Agent readiness — 16.2 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | yes |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | yes |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (7)

- **Fourth Notifications API** — Platform notifications API secured with OAuth 2.0 (scope NotificationService).
- **Fourth Tasks API** — Task management API secured with OAuth 2.0.
- **Fourth Account SCIM API** — SCIM 2.0 user and identity provisioning for Fourth accounts.
- **Fourth Schedules API** — Employee scheduling data for the HotSchedules workforce platform.
- **Fourth POS Transaction API** — Point-of-sale transaction integration API.
- **Fourth Recipe & Menu Engineering API** — RME export and import APIs for recipe and menu data.
- **Fourth Adaco Web API** — Adaco hotel inventory (product catalogue, vendor, budget, requisitions, inventory).

## Security (4)

- **Fourth Authentication** — oauth2/http · 2 schemes
- **Fourth Domain Security** — TLSv1.3 · HSTS · DMARC
- **Fourth Vulnerability Disclosure** — security.txt · contact published
- **Fourth Trust Center** — ISAE 3402 Type II, ISAE 3000 (SOC 2) Type II, ISO 27001, SOC 1, SOC 2, SOC 3, ISO 9001:2015

## Tags

Company, Workforce Management, Restaurant, Hospitality, Inventory Management, Payroll, Scheduling, HCM, Point-of-Sale, Food and Beverage

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