Every successful response carries
X-RateLimit-Limit and X-RateLimit-Remaining. Past a limit you get 429 with a Retry-After header: wait that many seconds, then try again. The SDKs do this for you.
If several jobs share one organization, spread them out rather than running them all on the hour. Use webhooks instead of polling for changes.
The MCP server allows each connected app 30 tool calls a minute on top of these limits.