List all datasets
Key YOUR_API_KEYExample: Authorization: Key sk_live_abc123...datasets array contains the following fields:
dataset_id: Unique identifier for the datasetname: Human-readable name of the datasetcreated_at: ISO timestamp of when the dataset was createdfile_count: Number of files in the datasettotal_size_bytes: Total size of all files in the dataset (in bytes)schema: Schema information including field names and typesdataset_id from this response with other dataset-related endpoints