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ActiveCampaignSchemaBreaking

New required fields added in POST /deals request body: [deal]

Affected surface
POST /deals

What changed

New required fields added in POST /deals request body: [deal] Affected surface: POST /deals. Root cause: endpoint `POST /deals`. Detected at Thu, 14 May 2026 00:53:58 UTC UTC.

Diff

{
  "added_required": [
    "deal"
  ],
  "path": "POST /deals",
  "schema_path": "POST /deals request body"
}

Likely impact

Existing integrations relying on this surface will fail or behave incorrectly. Treat this as a release-blocker until the recommended action below is applied.

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

Catch changes like this on every API you depend on.

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