Data API limits for batch endpoints
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Jose Duarte
Apr 15, 2026, 7:35:30 PM (4 days ago) Apr 15
to APIs @ RCSB PDB
Please note that on April 29 we will introduce a limit of 1000 IDs for GraphQL batch endpoints in the RCSB PDB Data API (data.rcsb.org). Requests exceeding this limit will result in a GraphQL error (http 200 with an "errors" array in GraphQL response). For optimal performance when pulling data for many thousands of entries we still recommend batching well below that limit.
Jose
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Jose Duarte
RCSB Protein Data Bank
San Diego Supercomputer Center
UC San Diego
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