Serverless index connection errors ↗
noOriginal Documentation
Documentation Index#
Fetch the complete documentation index at: https://docs.pinecone.io/llms.txt Use this file to discover all available pages before exploring further.
Problem#
To connect to a serverless index, you must use an updated Pinecone client. Trying to connect to a serverless index with an outdated client will raise errors similar to one of the following:
Failed to resolve 'controller.us-west-2.pinecone.io'
controller.us-west-2-aws.pinecone.io not found
Request failed to reach Pinecone while calling https://controller.us-west-2.pinecone.io/actions/whoami
Solution#
Upgrade to the latest Python or Node.js client and try again:
pip install "pinecone[grpc]" --upgradenpm install @pinecone-database/pinecone@latestLink last verified
June 7, 2026.
View original ↗
Source: Pinecone Docs
Link last verified: 2026-03-04