| Cover | Dec. 21, 2023 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Dec. 21, 2023 |
| Current Fiscal Year End Date | --12-31 |
| Entity File Number | 001-41574 |
| Entity Registrant Name | ALPHAVEST ACQUISITION CORP |
| Entity Central Index Key | 0001937891 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 420 Lexington Ave |
| Entity Address, Address Line Two | Suite 2446 |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10170 |
| City Area Code | 203 |
| Local Phone Number | 998-5540 |
| 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 | false |
| Entity Information, Former Legal or Registered Name | Not Applicable |
| Units Each Consisting Of One Ordinary Share And One Right [Member] | |
| Title of 12(b) Security | Units, each consisting of one ordinary share and one right |
| Trading Symbol | ATMVU |
| Security Exchange Name | NASDAQ |
| Ordinary Shares Par Value 0. 0001 Per Share [Member] | |
| Title of 12(b) Security | Ordinary Shares, par value $0.0001 per share |
| Trading Symbol | ATMV |
| Security Exchange Name | NASDAQ |
| Rights Each Right Entitling Holder Thereof To Onetenth Of One Ordinary Share [Member] | |
| Title of 12(b) Security | Rights, each right entitling the holder thereof to one-tenth of one ordinary share |
| Trading Symbol | ATMVR |
| Security Exchange Name | NASDAQ |
