ElevenLabsSchemaBreaking
Required fields added in POST /v1/studio/projects/{project_id} (ProjectResponseModel)
- Affected surface
- POST /v1/studio/projects/{project_id}
- Affected field
- ProjectResponseModel
What changed
Required fields added in POST /v1/studio/projects/{project_id} (ProjectResponseModel) Affected surface: POST /v1/studio/projects/{project_id}. Root cause: schema `ProjectResponseModel`. Detected at Wed, 10 Jun 2026 00:03:18 UTC UTC.
Diff
{
"added_required": [
"default_paragraph_voice_ref_id",
"default_title_voice_ref_id"
],
"path": "POST /v1/studio/projects/{project_id}",
"schema_path": "schema ProjectResponseModel"
}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.
Recommended action
Add the new required field to all request payloads or arguments. Requests omitting it will be rejected.
Related changes
Other endpoints affected by the same root cause.
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