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GSC Keyword Gap Page Keywords

GET
/api/v1/gsc-insights/keyword-gap-page-keywords
curl --request GET \
  --url 'https://sitechecker.pro/api/v1/gsc-insights/keyword-gap-page-keywords?project_id=12345&page_url=https%3A%2F%2Fexample.com%2Fwebsite-safety%2F&order_by=clicks_desc&limit=50&offset=0' \
  --header 'Authorization: Bearer <token>'

Returns keyword-level Keyword Gap details for a selected page.

Authorizations

Section titled “Authorizations”

Parameters

Section titled “Parameters”

Query Parameters

Section titled “Query Parameters”
project_id
required
integer
Example
12345

Project ID.

page_url
required
string
Example
https://example.com/website-safety/

Exact page URL (as returned by keyword-gap-pages).

date_from
string format: date

Start of the GSC window (inclusive). Default: last 30 days of final GSC data (UI parity).

date_to
string format: date

End of the GSC window (inclusive).

keyword
string

Keyword text search.

order_by
string
Example
clicks_desc

Sort as _asc|_desc: keyword, clicks, impressions, position.

limit
integer
default: 50 >= 1 <= 100

Page size.

offset
integer
0

Pagination offset.

Responses

Section titled “Responses”

200

Section titled “200”

Keyword rows with gap metrics and usage flags

Media typeapplication/json
object
data
Array<object>

Keyword Gap drilldown row for a selected page (same formulas and null semantics as the page rows).

object
keyword

Keyword/query.

string
clicks

GSC clicks.

integer
nullable
impressions

GSC impressions.

integer
nullable
position

Average position.

number format: float
nullable
ctr

CTR.

number format: float
nullable
lost_clicks

Estimated lost clicks: max(keyword_impressions * 0.2 - keyword_clicks, 0).

number format: float
nullable
count

Keyword occurrences in the page text (crawler).

integer
nullable
percent

Keyword occurrence percentage in the page text (crawler).

number format: float
nullable
used_in_title

Whether the keyword is used in the title.

boolean
nullable
used_in_description

Whether used in the meta description.

boolean
nullable
used_in_h1

Whether used in H1.

boolean
nullable
used_in_h2_h6

Whether used in H2-H6.

boolean
nullable
used_in_alt_tags

Whether used in image alt tags.

boolean
nullable
meta

GSC Insights meta block for list endpoints: scope echo + pagination (total/limit/offset).

object
project_id

Project ID.

integer
date_from

Selected period start.

string format: date
date_to

Selected period end.

string format: date
compare_from

Optional comparison period start.

string format: date
nullable
compare_to

Optional comparison period end.

string format: date
nullable
source_status

Source connection/data availability statuses keyed by source (e.g. gsc, ga4).

object
key
additional properties
string
data_freshness

Latest data date used per source (e.g. gsc_date, ga4_date).

object
key
additional properties
string
nullable
total

Reusable OpenAPI response schemas for the Public REST API: the error/meta envelope and one item schema per resource. Property names come from the Field registry so the documented contract and the runtime response shapes stay in lock-step.

integer
limit

Page size that was applied.

integer
offset

Pagination offset that was applied.

integer
Example
{
  "meta": {
    "project_id": 12345,
    "date_from": "2026-05-01",
    "date_to": "2026-05-31",
    "source_status": {
      "gsc": "connected",
      "ga4": "not_connected"
    },
    "data_freshness": {
      "gsc_date": "2026-06-30",
      "ga4_date": "2026-07-02"
    },
    "total": 137,
    "limit": 50,
    "offset": 0
  }
}

401

Section titled “401”

Missing or invalid API key

Media typeapplication/json

Returned as INVALID_API_KEY when the key is missing or unknown, and as REVOKED_API_KEY when the key exists but was revoked — the latter needs a new key.

object
error
required
object
code
required
string
Allowed values: VALIDATION_ERROR BAD_REQUEST PROJECT_NOT_FOUND SEGMENT_NOT_FOUND ACCESS_DENIED CRAWL_IN_PROGRESS NOT_FOUND UPSTREAM_ERROR INVALID_API_KEY REVOKED_API_KEY RATE_LIMIT_EXCEEDED MISSING_PUBLIC_API_ACCESS 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 UNSUPPORTED_METRIC SEGMENT_FILTER_UNSUPPORTED UNSUPPORTED_SCOPE AI_OVERVIEW_DATA_UNAVAILABLE PROMPT_DATA_UNAVAILABLE
message
required
string
Example
{
  "error": {
    "code": "INVALID_API_KEY",
    "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 MISSING_PUBLIC_API_ACCESS when the account has no active API entitlement, and as ACCESS_DENIED 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 ACCESS_DENIED CRAWL_IN_PROGRESS NOT_FOUND UPSTREAM_ERROR INVALID_API_KEY REVOKED_API_KEY RATE_LIMIT_EXCEEDED MISSING_PUBLIC_API_ACCESS 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 UNSUPPORTED_METRIC SEGMENT_FILTER_UNSUPPORTED UNSUPPORTED_SCOPE AI_OVERVIEW_DATA_UNAVAILABLE PROMPT_DATA_UNAVAILABLE
message
required
string
Example
{
  "error": {
    "code": "MISSING_PUBLIC_API_ACCESS",
    "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 ACCESS_DENIED CRAWL_IN_PROGRESS NOT_FOUND UPSTREAM_ERROR INVALID_API_KEY REVOKED_API_KEY RATE_LIMIT_EXCEEDED MISSING_PUBLIC_API_ACCESS 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 UNSUPPORTED_METRIC 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."
  }
}

409

Section titled “409”

GSC not connected or Site Audit content data unavailable

Media typeapplication/json

Also returned as SITE_AUDIT_DATA_UNAVAILABLE on endpoints that join Site Audit page content.

object
error
required
object
code
required
string
Allowed values: VALIDATION_ERROR BAD_REQUEST PROJECT_NOT_FOUND SEGMENT_NOT_FOUND ACCESS_DENIED CRAWL_IN_PROGRESS NOT_FOUND UPSTREAM_ERROR INVALID_API_KEY REVOKED_API_KEY RATE_LIMIT_EXCEEDED MISSING_PUBLIC_API_ACCESS 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 UNSUPPORTED_METRIC SEGMENT_FILTER_UNSUPPORTED UNSUPPORTED_SCOPE AI_OVERVIEW_DATA_UNAVAILABLE PROMPT_DATA_UNAVAILABLE
message
required
string
Example
{
  "error": {
    "code": "GSC_NOT_CONNECTED",
    "message": "Google Search Console is not connected for this project."
  }
}

422

Section titled “422”

Validation error or invalid date range

Media typeapplication/json

Rejected query parameters. error.code is VALIDATION_ERROR for parameter validation (including a query parameter the endpoint does not accept), or INVALID_DATE_RANGE / INVALID_FILTER / INVALID_EVENT_TYPE / UNSUPPORTED_FILTER / UNSUPPORTED_DIMENSION / UNSUPPORTED_METRIC / 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 ACCESS_DENIED CRAWL_IN_PROGRESS NOT_FOUND UPSTREAM_ERROR INVALID_API_KEY REVOKED_API_KEY RATE_LIMIT_EXCEEDED MISSING_PUBLIC_API_ACCESS 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 UNSUPPORTED_METRIC 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 ACCESS_DENIED CRAWL_IN_PROGRESS NOT_FOUND UPSTREAM_ERROR INVALID_API_KEY REVOKED_API_KEY RATE_LIMIT_EXCEEDED MISSING_PUBLIC_API_ACCESS 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 UNSUPPORTED_METRIC 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 ACCESS_DENIED CRAWL_IN_PROGRESS NOT_FOUND UPSTREAM_ERROR INVALID_API_KEY REVOKED_API_KEY RATE_LIMIT_EXCEEDED MISSING_PUBLIC_API_ACCESS 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 UNSUPPORTED_METRIC SEGMENT_FILTER_UNSUPPORTED UNSUPPORTED_SCOPE AI_OVERVIEW_DATA_UNAVAILABLE PROMPT_DATA_UNAVAILABLE
message
required
string
Example
{
  "error": {
    "code": "INTERNAL_ERROR",
    "message": "Internal server error."
  }
}