Sheetlabs has usage limits that vary by the subscribed plan. These are all visible on the pricing page.
You can view your usage within the Sheetlabs platform. You will receive a warning in the Sheetlabs control panel if you begin to exceed the usage limits of your plan.
We additionally enforce a limit of 50 requests per second per username. This is in place to prevent a faulty or malicious client from degrading the service for all other users. If you exceed this limit, you will be return an HTTP 429 (Too Many Requests) error code.