put https://api.intempt.com/v1//projects//collections//data
To upload CSV file for some collection you need to generate the link to upload file to s3 bucket. To generate that link use next request:
Request should not have body and should have Content-Type header set to test/csv.
Success Response
On success, you will receive response with status code 307 TEMPORARY REDIRECT. In Location header you can find s3 upload URL. Now you can do PUT request to that link to send the file to process.
CSV file
First line of csv file should have field names.