# Create a dataset Creates a new dataset and returns a signed URL for uploading the dataset file. Endpoint: POST /projects/{project_id}/datasets/ Version: 0.7.5 Security: ApiKeyAuth ## Path parameters: - `project_id` (string, required) ## Request fields (application/json): - `name` (string, required) A short name identifying the dataset. - `filename` (string, required) The name of the zip file that will be uploaded. - `retention_days` (integer,null) Number of days to retain this dataset. Use -1 for unlimited retention. Empty means use project default. ## Response 201 fields (application/json): - `id` (string, required) - `name` (string, required) A short name identifying the dataset. - `upload_url` (string, required) - `retention_days` (integer,null) Number of days to retain this dataset. Use -1 for unlimited retention. Empty means use project default.