`BILLING_PRO_REQUIRED`

HTTP 409

Something about the request must change

This billing action requires an active Pro plan.

How to fix it (contract guidance)

Upgrade via checkout first.

Observed recovery

Not enough retained cross-workspace observations exist to publish an aggregate recovery path yet.

Publication requires at least 3 distinct workspaces. This is withheld data, not evidence that no recovery happened.

Raised by

GET /api/account/rewind
POST /api/account/rewind
POST /api/account/billing/annual

If you are an agent

The same facts, structured. Do not infer the fix from the prose above — use this.

{
  "code": "BILLING_PRO_REQUIRED",
  "httpStatus": 409,
  "meaning": "This billing action requires an active Pro plan.",
  "fix": "Upgrade via checkout first.",
  "example": null,
  "emittedBy": [
    "GET /api/account/rewind",
    "POST /api/account/rewind",
    "POST /api/account/billing/annual"
  ],
  "links": {
    "contract": "/docs/openapi.json",
    "changelog": "/changelog",
    "blog": "/dispatches"
  },
  "guidanceSource": "contract-manifest",
  "observedResolution": {
    "code": "BILLING_PRO_REQUIRED",
    "source": "server-event-ledger",
    "scope": "current-retained-events",
    "correlationWindowHours": 24,
    "minimumDistinctWorkspaces": 3,
    "status": "insufficient-aggregate",
    "observations": null,
    "distinctWorkspaces": null,
    "path": null
  }
}

Other HTTP 409 errors

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