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." } ]'curl $UPSTASH_VECTOR_REST_URL/upsert-data/ns \ -X POST \ -H "Authorization: Bearer $UPSTASH_VECTOR_REST_TOKEN" \ -d '{ "id": "id-2", "data": "Upstash is a serverless data platform.", "metadata": { "link": "upstash.com" } }'