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Page Monitoring Changes

GET
/api/v1/page_monitoring_changes
curl --request GET \
  --url 'https://sitechecker.pro/api/v1/page_monitoring_changes?project_id=12345&url=example&crawl_id=1782174402&change_source=all' \
  --header 'Authorization: Bearer <token>'

Returns Site Audit and Content Updates changes for one URL in one crawl, including issue changes and content update events.

Authorizations

Section titled “Authorizations”

Parameters

Section titled “Parameters”

Query Parameters

Section titled “Query Parameters”
project_id
required
integer
Example
12345

Project ID.

url
required
string

Page URL.

crawl_id
required
string
Example
1782174402

Monitoring run identifier — the run UNIX timestamp (seconds, UTC). Treat it as an opaque token: take it verbatim from a summary endpoint’s points[].crawl_id.

change_source
string
default: all
Allowed values: all site_audit content

Filter changes by source. Default: all.

Responses

Section titled “Responses”

200

Section titled “200”

Changes for the URL/crawl

Media typeapplication/json
object
data
object
site_audit_changes
Array<object>
object
change_id

ID of Site Audit change for this URL/crawl, if needed for details.

string
issue_id

Stable Site Audit issue type ID from backend issue dictionary.

integer
issue_name

Issue name.

string
nullable
category

Issue category.

string
nullable
severity

Issue severity.

string
nullable
direction

Whether this issue was added or removed for the selected URL.

string
Allowed values: added removed
content_changes
Array<object>
object
content_update_id

Content update/change ID for details endpoint.

string
event_type

Content event type.

string
event_name

Human-readable event name.

string
before_value

Before value for scalar changes; for text_content it is reconstructed from the diff (DELETE side); multiple sub-changes are joined; null when no scalar/diff (e.g. wp_plugin_added/removed). Capped at 10000 characters.

string
nullable
after_value

After value for scalar changes; for text_content it is reconstructed from the diff (INSERT side); multiple sub-changes are joined; null when no scalar/diff (e.g. wp_plugin_added/removed). Capped at 10000 characters.

string
nullable
has_details

Whether full details/diff are available.

boolean
Example
{
  "data": {
    "site_audit_changes": [
      {
        "change_id": "eyJzIjoic2l0ZV9hdWRpdCJ9",
        "issue_id": 201,
        "issue_name": "Image size is over 100 KB",
        "category": "page_speed",
        "severity": "opportunity",
        "direction": "added"
      }
    ],
    "content_changes": [
      {
        "content_update_id": "eyJzIjoiY29udGVudCJ9",
        "event_type": "text_content",
        "event_name": "Text content",
        "has_details": true
      }
    ]
  }
}

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 or crawl 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."
  }
}

422

Section titled “422”

Validation error or invalid filter

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."
  }
}