Definition
A Salesforce feature that lets admins register third-party REST APIs (via OpenAPI specifications) and automatically generate Apex actions from them, making external API calls available in flows without code.
Real-World Example
a platform engineer at NovaScale uses External Services to enhance the organization's Salesforce footprint with additional functionality. By leveraging External Services, the team avoids building a custom solution from scratch, saving months of development time while gaining enterprise-grade features out of the box.
Why External Services Matters
External Services is a Salesforce feature that lets admins register third-party REST APIs through their OpenAPI specifications and automatically generate Apex actions from them. After registration, the API's operations appear as available actions in Flow Builder and other declarative tools, so admins can call external APIs from Flows without writing Apex code. The platform handles the request building, authentication, and response parsing based on the OpenAPI definition.
External Services democratizes API integration for admin-led teams. Without it, calling a REST API from a Flow required writing custom Apex code, which created a developer dependency for every new integration. With it, admins import the OpenAPI spec, configure the named credential for authentication, and the API becomes available as Flow actions immediately. This is particularly valuable in admin-heavy organizations where developer capacity is limited and integrations should be configurable by admins.
How Organizations Use External Services
- •NovaScale — Registered their internal REST APIs through External Services so their admin team can call them from Flows for various automation scenarios without developer involvement.
- •BrightEdge Solutions — Uses External Services for third-party API integrations like address verification, calling them from Lead and Contact Flows when records are created.
- •Vertex Global — Trained their admin team to work with OpenAPI specs and External Services so most integration work happens declaratively, freeing developers for harder problems.