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curl --request GET \
--url https://api.hubapi.com/webhooks-journal/journal/2026-03/earliest \
--header 'Authorization: Bearer <token>'{
"message": "Invalid input (details will vary based on the error)",
"correlationId": "aeb5f871-7f07-4993-9211-075dc63e7cbf",
"category": "VALIDATION_ERROR",
"links": {
"knowledge-base": "https://www.hubspot.com/products/service/knowledge-base"
}
}Get the earliest journal entry
curl --request GET \
--url https://api.hubapi.com/webhooks-journal/journal/2026-03/earliest \
--header 'Authorization: Bearer <token>'{
"message": "Invalid input (details will vary based on the error)",
"correlationId": "aeb5f871-7f07-4993-9211-075dc63e7cbf",
"category": "VALIDATION_ERROR",
"links": {
"knowledge-base": "https://www.hubspot.com/products/service/knowledge-base"
}
}Documentation Index
Fetch the complete documentation index at: https://developers.hubspot.com/docs/llms.txt
Use this file to discover all available pages before exploring further.
Supported products
Supported products
Authorizations
The access token received from the authorization server in the OAuth 2.0 flow.
Query Parameters
Response
The error category
A unique identifier for the request. Include this value with any error reports or support tickets
"aeb5f871-7f07-4993-9211-075dc63e7cbf"
A human readable message describing the error along with remediation steps where appropriate
"An error occurred"
Context about the error condition
Show child attributes
Show child attributes
"{invalidPropertyName=[propertyValue], missingScopes=[scope1, scope2]}"
further information about the error
Show child attributes
Show child attributes
A map of link names to associated URIs containing documentation about the error or recommended remediation steps
Show child attributes
Show child attributes
A specific category that contains more specific detail about the error
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