Is there a rate limit on the Metadata API? I seem to have caused some massive problems by using the Migration Tool a bit too frequently.


I don't think there is any specific rate limit to Metadata API however, overall concurrent API limits is applicable for this as well.

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Metadata API can deploy and retrieve up to 10,000 files or 400 MB at one time. If either of these limits is exceeded, the deployment or retrieval fails.

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  • thanks. That's not a rate limit, though, that's a each-time limit. – Charles Koppelman Feb 25 '15 at 19:19

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