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Error codes · Authentication & API keys

RU-1003: API access requires a paid plan

The API key is valid, but the account is on the Free plan. The REST API is a Growth and Scale feature; the Free plan gets the dashboard and public status page.

On the wire

Ships with HTTP status 403, carrying "code": "RU-1003" in the response body alongside the human-readable error message. Existing fields are never replaced by the code: it is additive.

Common causes

  • The account never upgraded to a paid plan.
  • A subscription lapsed or was cancelled, returning the account to Free.

How to fix it

  1. Upgrade to Growth or Scale from your billing page.
  2. If you recently paid, confirm the subscription is active on the billing page, then retry.

Related codes

  • RU-1005: Free plans get read-only MCP access
  • RU-1004: API key is read-only

Still stuck?

Ask support and mention RU-1003: the code pins down the exact refusal path, so you skip the diagnostic back-and-forth.