New: MCP server monitoring is live. Start free
KlaviyoSchemaAdditive

Response schema changed for POST /api/forms (DateProperties)

Affected surface
POST /api/forms
Affected field
DateProperties

What changed

Response schema changed for POST /api/forms (DateProperties) Affected surface: POST /api/forms. Root cause: schema `DateProperties`. Detected at Sat, 25 Apr 2026 02:28:36 UTC UTC.

Diff

{
  "added_fields": [
    "classname"
  ],
  "path": "POST /api/forms",
  "schema_path": "schema DateProperties"
}

Likely impact

This is an additive change. Existing integrations are unaffected; this is mostly useful if you want to take advantage of the new surface.

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

Related changes

Other endpoints affected by the same root cause.

Catch changes like this on every API you depend on.

Intello monitors 100+ APIs and tells you the moment something changes — before it breaks production.