Response schema changed for POST /v1/campaigns (CampaignFailureResponse)

What changed

Response schema changed for POST /v1/campaigns (CampaignFailureResponse) Affected surface: POST /v1/campaigns. Root cause: schema `CampaignFailureResponse`. Detected at Wed, 03 Jun 2026 01:52:15 UTC UTC.

Diff

{
  "path": "POST /v1/campaigns",
  "removed_fields": [
    "success"
  ],
  "schema_path": "schema CampaignFailureResponse"
}

Likely impact

The contract still holds, but observable behavior shifted — defaults, response timing, or rate-limit shaping. Existing code keeps compiling and most calls keep working, but edge cases may differ. Worth a sanity check.

Recommended action

Diff your serializers against the new schema. The diff above shows what moved.