To use REST API, you need Device Plan 1.0, 2.0, or 3.0. REST API does not work on the free Open Device Plan.
signageOS REST API automatically applies quotas on REST API requests. Quota is counted per IP address of the Request origin.
The quota is set to 200 requests per second for instant response and 500 queued requests with a slightly delayed response based on request type and performance.
If you reach the quota API returns 429 Too Many Requests response.