ADP Custom Integrations is an integration ecosystem that provides API Central for standards-based API access and project tooling, a Marketplace of partner connectors as recurring-cost alternatives to custom builds, and professional/partner services for implementation and support.
Published May 16, 2026
| Starting Price | Not publicly listed (Marketplace: requires login to view price); optional consulting at published hourly rates in some listings | Generally quote-based / negotiated | Published SMB tiers with varying plan pricing |
| Primary audience | Organizations using ADP that need API access and partner connectors; IT/HR teams requiring recurring integrations | Large enterprises with established Workday deployments and specialized integration teams/partners | Small and medium businesses needing straightforward payroll and simpler integrations with transparent pricing |
| Key Strength | Native access to ADP payroll/HCM data and a partner marketplace for connectors; standards-based authentication (OAuth/OIDC) | Comprehensive enterprise HCM functionality and a wide partner ecosystem | Transparent pricing and a simplified buy/administration model for SMBs |
| Key Weakness | Public pricing opacity; reported API developer experience challenges; variable implementation/support experiences | Can be complex and require specialized skills; procurement typically negotiated | May lack enterprise-scale features, complex global payroll support, or advanced HCM integration depth |
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