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May 12, 2025
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4 changes: 2 additions & 2 deletions src/pages/learn/response.mdx
Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,7 @@ As with network calls to any type of API, network errors that are not specific t

## Extensions

The final top-level key allowed by the GraphQL specification in a response is the `extentions` key. This key is reserved for GraphQL implementations to provide additional information about the response and though it must be an object if present, there are no other restrictions on what it may contain.
The final top-level key allowed by the GraphQL specification in a response is the `extensions` key. This key is reserved for GraphQL implementations to provide additional information about the response and though it must be an object if present, there are no other restrictions on what it may contain.

For example, some GraphQL servers may include telemetry data or information about rate limit consumption under this key. Note that what data is available in `extensions` and whether this data is available in production or development environments will depend entirely on the specific GraphQL implementation.

Expand All @@ -120,4 +120,4 @@ To recap what we've learned about GraphQL response formats:
- When a field error occurs during execution, there will be a description of the issue in the `errors` key and there may be partial data included with the `data` key
- GraphQL implementations may include additional arbitrary information about the response in the `extensions` key

Now that you understand the different phases of a GraphQL request and how responses are provided to clients, head over to the [Introspection](/learn/introspection) page to learn about how a GraphQL server can query information about its own schema.
Now that you understand the different phases of a GraphQL request and how responses are provided to clients, head over to the [Introspection](/learn/introspection) page to learn about how a GraphQL server can query information about its own schema.