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This page summarizes some errors that may occur when using the Pinecone Vector Store Provider.

The API key you provided was rejected

Executing any operation against the Vector Store the following error occurs:

PineconeAuthorizationError: The API key you provided was rejected while calling https://api.pinecone.io/indexes/.
Please check your configuration values and try again.
You can find the configuration values for your project in the Pinecone developer console at https://app.pinecone.io

Check your Pinecone configuration credentials, in particular the following container values:

PINECONE_API_KEY
PINECONE_INDEX_NAME

This information must be correctly set on the associated deployed containers.

Check connectivity and credentials with the following cURL sample, using the correct values for IndexName and api_key:

curl --location 'https://api.pinecone.io/indexes/IndexName' \
--header 'Api-Key: api_key' \
--header 'Content-Type: application/json' \
--data ''

Unable to Delete RAG Assistant with Non‑Standard Embedding Dimensions

RAG Assistants configured with an embedding dimension value other than 768, 1024, 1536 cannot be deleted. This limitation arises due to chanking dimensions needs to create a new index. Attempting to remove such an assistant results in a server error caused by the inability to locate a matching index with the expected configuration.

Error message:
Error: StatusCode:500 Http:0 Internal Server Error Error:100 Failed to get Pinecone index: 
PineconeNotFoundError: A call to https://api.pinecone.io/indexes/indexnameDimensions returned HTTP status 404.

Contact us to review the creation of an specific index for your purposes. If using an on-premises installation check the PINECONE_CREATE_INDEX environment variable configuration.

To delete the assistant configure dimensions to 1536 and delete it.

Last update: 2026 | © Globant S.A. All rights reserved.