# Validate Connection Query

```
POST 
/v1/connections/:connection_type/:connection_id/validate-query
```

Validate and preview a SQL query against a connection.

Args: connection\_type: Connection type for routing connection\_id: Connection ID request\_body: `{sql, limit?}` — see `ValidateQueryRequest`

Returns: Validation result with row count and preview data

## Request[​](#request "Link diretto a request")

## Responses[​](#responses "Link diretto a Responses")

* 200
* 404
* 422

Successful Response

Not found

Validation Error