| Cover | May 06, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 06, 2024 |
| Current Fiscal Year End Date | --12-31 |
| Entity File Number | 000-56415 |
| Entity Registrant Name | StartEngine Crowdfunding, Inc. |
| Entity Central Index Key | 0001661779 |
| Entity Tax Identification Number | 46-5371570 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 4100 West Alameda Avenue |
| Entity Address, Address Line Two | 3rd Floor |
| Entity Address, City or Town | Burbank |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 91505 |
| City Area Code | 800 |
| Local Phone Number | 317-2200 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | true |
