| Cover | Nov. 11, 2023 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 11, 2023 |
| Entity File Number | 001-40755 |
| Entity Registrant Name | Fat Projects Acquisition Corp |
| Entity Central Index Key | 0001865045 |
| Entity Tax Identification Number | 00-0000000 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 27 Bukit Manis Road |
| Entity Address, City or Town | Singapore |
| Entity Address, Country | SG |
| Entity Address, Postal Zip Code | 099892 |
| City Area Code | (65) |
| Local Phone Number | 8590-2056 |
| Written Communications | true |
| 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 |
| Units, each consisting of one Class A Ordinary Share and One Redeemable Warrant | |
| Title of 12(b) Security | Units, each consisting of one Class A Ordinary Share and One Redeemable Warrant |
| Trading Symbol | FATPU |
| Security Exchange Name | NASDAQ |
| Class A Ordinary Share, par value $0.0001 per share | |
| Title of 12(b) Security | Class A Ordinary Share, par value $0.0001 per share |
| Trading Symbol | FATP |
| Security Exchange Name | NASDAQ |
| Redeemable Warrants, each warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50 | |
| Title of 12(b) Security | Redeemable Warrants, each warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50 |
| Trading Symbol | FATPW |
| Security Exchange Name | NASDAQ |
