{"service":"Gene Expression API","version":"4.0.0","mode":"precomputed","datasets":["C01334A2B6","C02829A1E3","C02830A3E4","C02932C2D6"],"endpoints":{"static_files":"/data/{dataset_id}/...","metadata":"/dataset/{dataset_id}/metadata.json","gene_expression":"/gene/{dataset_id}/{gene_name}.json (precomputed)"},"performance":{"gene_query_time":"~50ms","precomputed_genes":"32,918-33,176 per dataset"}}