Notion Free Plan API Rate Limit Constraints

When designing a low-traffic integration to reduce operational costs, the Notion Free plan provides a viable alternative to paid tiers. However, while the platform documents a 5 MB file upload limit and specific guest collaboration restrictions, the precise API quotas for this tier remain unspecified.

The API returns an HTTP 429 status code when rate limits are exceeded, and documentation recommends implementing exponential backoff. It is unclear if the rate limit threshold is uniform across all workspace plans or if paid tiers offer higher request-per-second quotas to support larger workloads.

• Does the Notion Free plan have a lower API rate limit than the Plus or Business plans?
• Are there documented daily or monthly request quotas for API integrations on the Free plan?