Creates a new discussion linked to the target document

POST /api/v1/policy-comments/{policyId}/{documentId}/discussions

Creates a new discussion thread linked to the target document.

Authentication: Bearer token required (Authorization: Bearer <token>)

Permission: Permissions.POLICIES_POLICY_EXECUTE or Permissions.POLICIES_POLICY_MANAGE

---

Request

Path Parameters

Parameter	Type	Required	Description
policyId	string	Yes	Policy identifier
documentId	string	Yes	Document identifier

Request Body

{
  "title": "Query about facility capacity value",
  "message": "The reported capacity of 500 MWh seems high — please verify."
}

Field	Type	Required	Description
title	string	Yes	Discussion title or subject
message	string	No	Optional initial message body

---

Response

Success Response

Status: 201 Created

{
  "id": "63e3e5e8a01b3c001234abcd",
  "title": "Query about facility capacity value",
  "owner": "did:hedera:testnet:zHcDLGFNymFAJiMBKnpbHDgjvTn6yZnwkPPeFhtJBECH_0.0.4532001",
  "createDate": "2026-03-30T10:00:00.000Z",
  "commentCount": 0
}

Error Responses

Status	Description
401 Unauthorized	Missing or invalid token
403 Forbidden	Insufficient permissions
422 Unprocessable Entity	Validation error — invalid field values
500 Internal Server Error	Unexpected server failure