ToolJet/docs/versioned_docs/version-2.9.0/data-sources/graphql.md
Shubhendra Singh Chauhan e9c7cdf57e
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---
id: graphql
title: GraphQL
---
# GraphQL
ToolJet can connect to GraphQL endpoints to execute queries and mutations.
## Connection
To add a new GraphQL datasource, click the `+` button on data sources panel at the bottom-left corner of the app builder and then select GraphQL from the modal that pops up.
ToolJet requires the following to connect to a GraphQL datasource:
- **URL of the GraphQL endpoint**
The following optional parameters are also supported:
| Type | Description |
| ----------- | ----------- |
| URL params | Additional query string parameters|
| headers | Any headers the GraphQL source requires|
<div style={{textAlign: 'center'}}>
<img className="screenshot-full" src="/img/datasource-reference/graphql/graphql-ds.png" alt="ToolJet - Data source - GraphQl"/>
</div>
Click on the **Save** button to save the data source.
## Querying GraphQL
Click on `+` button of the query manager at the bottom panel of the editor and select the GraphQL endpoint added in the previous step as the data source.
### Required Parameters:
- **Query**
### Optional Parameters
- **Variable**
- **Headers**
<div style={{textAlign: 'center'}}>
<img className="screenshot-full" src="/img/datasource-reference/graphql/headers.png" alt="ToolJet - Data source - GraphQl"/>
</div>
Click on the 'Create' button to create the query or Click on the `Run` button to create and trigger the query.
:::tip
Query results can be transformed using transformations. Read our transformations documentation to see how: [link](/docs/tutorial/transformations)
:::