curl $UPSTASH_VECTOR_REST_URL/upsert-data \
-X POST \
-H "Authorization: Bearer $UPSTASH_VECTOR_REST_TOKEN" \
-d '[
{ "id": "id-0", "data": "Upstash is a serverless data platform.", "metadata": { "link": "upstash.com" } },
{ "id": "id-1", "data": "Upstash Vector is a serverless vector database." }
]'