Unit4

aid: unit4
name: Unit4
description: Unit4 provides cloud ERP software for service-centric organizations including professional services, public sector,
  education, and non-profits. Their REST APIs cover financials, HR, payroll, project management, procurement, inventory, and
  business planning through the ERPx platform, plus PEPPOL-based electronic document exchange via Unit4 Access Point.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/unit4/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- ERP
- Cloud ERP
- Enterprise Resource Planning
- Financials
- Human Resources
- Payroll
- Project Management
- Procurement
- Inventory Management
- Business Planning
- PEPPOL
- E-Invoicing
- Service Organizations
- Public Sector
apis:
- name: Unit4 ERPx REST API
  description: Comprehensive REST API for Unit4 ERPx cloud ERP platform covering time and expenses, personnel, payroll, procurement,
    project management, customers and sales, inventory management, planning, commitment accounting, accounting, and reporting.
    Supports OAuth 2.0 and machine-to-machine (M2M) authentication via client credentials flow.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://develop.unit4rd.com/
  baseURL: https://api.unit4.com
  tags:
  - ERP
  - Financials
  - HR
  - Payroll
  - Projects
  - Procurement
  properties:
  - type: Documentation
    url: https://develop.unit4rd.com/erpx/
  - type: APIReference
    url: https://develop.unit4cloud.com/erpx/reference/
  - type: Authentication
    url: https://develop.unit4rd.com/erpx/auth-security/
  - type: RateLimits
    url: https://develop.unit4rd.com/erpx/limits-and-quotas/
  - type: Versioning
    url: https://develop.unit4rd.com/erpx/version_deprecation/
  - type: ChangeLog
    url: https://develop.unit4rd.com/erpx/version_deprecation/deprecated_endpoints/2026/
- name: Unit4 Access Point REST API
  description: REST API for the Unit4 Access Point PEPPOL service enabling organizations to send and receive electronic business
    documents (invoices, orders) over the PEPPOL network. Uses Basic Authentication over HTTPS with XML payloads.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://ap.unit4.com/rest.html
  baseURL: https://ap.unit4.com
  tags:
  - PEPPOL
  - E-Invoicing
  - Electronic Documents
  - B2B
  properties:
  - type: Documentation
    url: https://ap.unit4.com/rest.html
  - type: Sandbox
    url: https://ap-test.unit4.com/
common:
- type: Website
  url: https://www.unit4.com/
- type: Documentation
  url: https://develop.unit4rd.com/
- type: GitHubOrg
  url: https://github.com/Unit4
- type: LinkedIn
  url: https://www.linkedin.com/company/unit4
- type: Blog
  url: https://www.unit4.com/blog
- type: Pricing
  url: https://www.unit4.com/contact-us
- type: StatusPage
  url: https://statusgator.com/services/df/unit4-erp
- type: X
  url: https://twitter.com/unit4global
- type: Plans
  url: plans/unit4-plans-pricing.yml
- type: RateLimits
  url: rate-limits/unit4-rate-limits.yml
- type: FinOps
  url: finops/unit4-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com