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- GraphQL Introduction
- Using GraphQL
- GraphQL in Canvas
GraphQL is a query API language that executes queries by using a type systembased on defined input data. GraphQL provides more specific inquiries withfaster results and populate multiple inputs into one query. Note: GraphQL endpoint permissions mirror permissions for the REST API. Auser is only granted access to view grades based on that user’s per...
Canvas has included the tool GraphiQL (https://github.com/graphql/graphiql), anin-browser graphical interface for interacting with GraphQL endpoints. The GraphiQL interface can be viewed by adding /graphiql to the end of yourCanvas production URL (e.g. your-institution.instructure.com/graphiql). The /graphiql access can also be added to a test or b...
id vs _id and the node field
The Canvas LMS GraphQL API follows the Relay Object Identificationspec.Querying for an object's id will return a global identifier instead of thenumeric ids that are used in the REST API. The traditional ids can be queriedby requesting the _idfield. Most objects can be fetched by passing their GraphQL id to thenodefield: A legacyNodefield is also available to fetch objects via theREST-style ids: For commonly accessed object types, type-specific fields are provided:
Pagination
Canvas follows the Relay ConnectionSpecfor paginating collections. Request reasonable page sizes to avoidbeing limited.
Canvas currently supports the following types of tool placements: External tool assignments integrations: This type of integration is part of the LTI 1.1 Outcomes Service or LTI 1.3 Assignment and Grade Services and allows external services to synchronize grades, and other assignment details.
6 天前 · Canvas includes a built in dynamic throttling mechanism to prevent a single user from abusing the system and causing adverse effects for others. It works by having a rate limit, and a cost for every request. Each request subtracts from your quota, and the quota is automatically replenished over time.
