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GraphQL binding spec

Detailed documentation on the GraphQL binding component

Component format

To setup GraphQL binding create a component of type bindings.graphql. See this guide on how to create and apply a binding configuration. To separate normal config settings (e.g. endpoint) from headers, “header:” is used a prefix on the header names.

kind: Component
  name: example.bindings.graphql
  type: bindings.graphql
  version: v1
    - name: endpoint
      value:  http://localhost:8080/v1/graphql
    - name: header:x-hasura-access-key
      value: adminkey
    - name: header:Cache-Control
      value: no-cache

Spec metadata fields

Field Required Binding support Details Example
endpoint Y Output GraphQL endpoint string See here for more details "http://localhost:4000/graphql/graphql"
header:[HEADERKEY] N Output GraphQL header. Specify the header key in the name, and the header value in the value. "no-cache" (see above)

Endpoint and Header format

The GraphQL binding uses GraphQL client internally.

Binding support

This component supports output binding with the following operations:

  • query
  • mutation


The query operation is used for query statements, which returns the metadata along with data in a form of an array of row values.


in := &dapr.InvokeBindingRequest{
Name:      "example.bindings.graphql",
Operation: "query",
Metadata: map[string]string{ "query": `query { users { name } }`},

Last modified August 19, 2021: clean up all whitenoise (cbdab00b)