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Project-specific allowed values and capabilities for GA4 Insights.

GET
/api/v1/ga4-insights/filter-values
curl --request GET \
  --url 'https://sitechecker.pro/api/v1/ga4-insights/filter-values?project_id=12345' \
  --header 'Authorization: Bearer <token>'

Authorizations

Section titled “Authorizations”

Parameters

Section titled “Parameters”

Query Parameters

Section titled “Query Parameters”
project_id
required
integer
Example
12345

Project ID.

Responses

Section titled “Responses”

200

Section titled “200”

Available GA4 filter values, supported dimensions and source availability

Media typeapplication/json
object
data

Project-specific GA4 values and capabilities supported in V1. Device, country and a full channel breakdown are intentionally absent because that GA4 data is not stored.

object
source_status

GA4 source availability status for the selected project.

object
ga4

GA4 connection/data availability status for the selected project.

string
Allowed values: connected not_connected
property

GA4 property metadata for the selected project.

object
id

GA4 property identifier or masked/display-safe metadata.

string
nullable
metrics

Supported V1 metric keys only.

Array<string>
dimensions

Supported breakdown dimensions. Use the dimension param; group_by is not supported.

Array<string>
dimension_support

Supported breakdown dimensions per endpoint with their constraints.

Array<object>
object
endpoint

Endpoint where the dimension is supported.

string
dimension

Supported dimension for that endpoint.

string
constraints

Endpoint-specific constraints to prevent heavy page × dimension matrices.

string
source_channels

Available channel scopes/values for this project. Includes all only if supported as the reserved all-sessions scope.

Array<string>
history_grouping

Daily / weekly / monthly.

Array<string>
Example
{
  "data": {
    "source_status": {
      "ga4": "connected"
    },
    "property": {
      "id": "123456789"
    },
    "metrics": [
      "sessions",
      "bounce_rate",
      "average_session_duration",
      "key_events",
      "session_key_event_rate"
    ],
    "dimensions": [
      "source_medium"
    ],
    "dimension_support": [
      {
        "endpoint": "page-history",
        "dimension": "source_medium",
        "constraints": "requires a single page_url; live GA4 API; max 15 series"
      }
    ],
    "source_channels": [
      "organic_search",
      "all"
    ],
    "history_grouping": [
      "daily",
      "weekly",
      "monthly"
    ]
  }
}

401

Section titled “401”

Missing or invalid API key

Media typeapplication/json
object
error
required
object
code
required
string
Allowed values: validation_error bad_request project_not_found segment_not_found forbidden crawl_in_progress not_found upstream_error unauthorized rate_limit_exceeded api_access_denied internal_error crawl_not_found invalid_date_range invalid_filter invalid_event_type keyword_not_found opportunity_not_found snapshot_unavailable gsc_not_connected ga4_not_connected site_audit_data_unavailable ga4_data_unavailable unsupported_filter unsupported_dimension segment_filter_unsupported unsupported_scope ai_overview_data_unavailable prompt_data_unavailable
message
required
string
Example
{
  "error": {
    "code": "unauthorized",
    "message": "Invalid or missing API key."
  }
}

403

Section titled “403”

No active API entitlement for the account, or the project belongs to another account

Media typeapplication/json

Returned as api_access_denied when the account has no active API entitlement, and as forbidden when the requested project belongs to another account.

object
error
required
object
code
required
string
Allowed values: validation_error bad_request project_not_found segment_not_found forbidden crawl_in_progress not_found upstream_error unauthorized rate_limit_exceeded api_access_denied internal_error crawl_not_found invalid_date_range invalid_filter invalid_event_type keyword_not_found opportunity_not_found snapshot_unavailable gsc_not_connected ga4_not_connected site_audit_data_unavailable ga4_data_unavailable unsupported_filter unsupported_dimension segment_filter_unsupported unsupported_scope ai_overview_data_unavailable prompt_data_unavailable
message
required
string
Example
{
  "error": {
    "code": "api_access_denied",
    "message": "API access is not available: the account has no active API entitlement."
  }
}

404

Section titled “404”

Project not found

Media typeapplication/json

The exact missing resource is in error.code: project_not_found, segment_not_found, crawl_not_found, keyword_not_found, opportunity_not_found, snapshot_unavailable or not_found.

object
error
required
object
code
required
string
Allowed values: validation_error bad_request project_not_found segment_not_found forbidden crawl_in_progress not_found upstream_error unauthorized rate_limit_exceeded api_access_denied internal_error crawl_not_found invalid_date_range invalid_filter invalid_event_type keyword_not_found opportunity_not_found snapshot_unavailable gsc_not_connected ga4_not_connected site_audit_data_unavailable ga4_data_unavailable unsupported_filter unsupported_dimension segment_filter_unsupported unsupported_scope ai_overview_data_unavailable prompt_data_unavailable
message
required
string
Example
{
  "error": {
    "code": "project_not_found",
    "message": "Project not found."
  }
}

422

Section titled “422”

Validation error

Media typeapplication/json

Rejected query parameters. error.code is validation_error for parameter validation, or invalid_date_range / invalid_filter / invalid_event_type / unsupported_filter / unsupported_dimension / unsupported_scope / segment_filter_unsupported for module-specific rules.

object
error
required
object
code
required
string
Allowed values: validation_error bad_request project_not_found segment_not_found forbidden crawl_in_progress not_found upstream_error unauthorized rate_limit_exceeded api_access_denied internal_error crawl_not_found invalid_date_range invalid_filter invalid_event_type keyword_not_found opportunity_not_found snapshot_unavailable gsc_not_connected ga4_not_connected site_audit_data_unavailable ga4_data_unavailable unsupported_filter unsupported_dimension segment_filter_unsupported unsupported_scope ai_overview_data_unavailable prompt_data_unavailable
message
required
string
Example
{
  "error": {
    "code": "validation_error",
    "message": "project_id is required."
  }
}

429

Section titled “429”

Rate limit exceeded — retry after the interval in the Retry-After header

Media typeapplication/json
object
error
required
object
code
required
string
Allowed values: validation_error bad_request project_not_found segment_not_found forbidden crawl_in_progress not_found upstream_error unauthorized rate_limit_exceeded api_access_denied internal_error crawl_not_found invalid_date_range invalid_filter invalid_event_type keyword_not_found opportunity_not_found snapshot_unavailable gsc_not_connected ga4_not_connected site_audit_data_unavailable ga4_data_unavailable unsupported_filter unsupported_dimension segment_filter_unsupported unsupported_scope ai_overview_data_unavailable prompt_data_unavailable
message
required
string
Example
{
  "error": {
    "code": "rate_limit_exceeded",
    "message": "Rate limit exceeded. Try again later."
  }
}

500

Section titled “500”

Internal server error

Media typeapplication/json
object
error
required
object
code
required
string
Allowed values: validation_error bad_request project_not_found segment_not_found forbidden crawl_in_progress not_found upstream_error unauthorized rate_limit_exceeded api_access_denied internal_error crawl_not_found invalid_date_range invalid_filter invalid_event_type keyword_not_found opportunity_not_found snapshot_unavailable gsc_not_connected ga4_not_connected site_audit_data_unavailable ga4_data_unavailable unsupported_filter unsupported_dimension segment_filter_unsupported unsupported_scope ai_overview_data_unavailable prompt_data_unavailable
message
required
string
Example
{
  "error": {
    "code": "internal_error",
    "message": "Internal server error."
  }
}