# Validate an API key

Validates the API key supplied in the x-api-key header.

Use this endpoint as a setup/health check. Integration partners can call it to confirm
a customer's key before enabling data ingestion or completing account linking.
- 200 OK: Key is valid.
- 401 Unauthorized: Key is missing or invalid (standard error envelope).

Endpoint: GET /v1/auth/validate-key
Version: v1
Security: x-api-key

## Response 200 fields (application/json):

  - `requestId` (string)
    Unique identifier for the request.
    Example: "b0eac937-c25c-47a5-bb7e-552f6b860458"

  - `status` (string)
    Indicates the status of the request.
    Example: "success"

## Response 401 fields (application/json):

  - `requestId` (string)
    Unique identifier for the request.
    Example: "b0eac937-c25c-47a5-bb7e-552f6b860458"

  - `status` (string)
    Indicates the status of the request.
    Example: "error"

  - `errors` (array)

  - `errors.code` (string,null)
    A machine-readable error code that identifies the type of error.
    Example: "invalid_input"

  - `errors.message` (string)
    A human-readable message explaining the error.
    Example: "The provided parameter is invalid."

  - `errors.field` (string)
    The name of the request field associated with the error, if applicable.
    Example: "datasetId"

  - `errors.type` (string)
    The category or context of the error, such as validation or permission.
    Example: "validation"