GraphQL API and UI API

Headless Salesforce & APIsGraphQL API and UI APIBuild user-facing headless experiences on Salesforce: query exactly the data you need with the GraphQL API (filters, ordering, pagination, relationships, aggregates and mutations) and render metadata-driven forms that respect layouts, picklists and field-level security with UI API.Intermediate · about 85 minutesWhat you will learn

Write Salesforce GraphQL queries using the uiapi structure with edges, node and value/displayValue fields

Filter, order and paginate results, traverse parent and child relationships, and run aggregate queries

Create, update and delete records with GraphQL mutations and handle partial errors

Use UI API resources (object-info, picklist-values, layout, record-ui, records, list views) to build metadata-driven UIs

Wire a React app to the GraphQL API with Apollo Client and OAuth PKCE

Choose between REST, GraphQL and UI API and apply performance and security best practices

Contents

The GraphQL API at a glance

Filtering, ordering and pagination

Relationships

Aggregate queries

Mutations

Introspection and tooling

Limits and cost

GraphQL in Lightning Web Components

UI API: metadata-driven interfaces

Building a React app on the GraphQL API

REST vs GraphQL vs UI API

Performance and security considerations

Best practices

Common pitfalls

Hands-on exercises

Key takeaways