Cover - USD ($)	12 Months Ended
	Dec. 31, 2023	Mar. 29, 2024	Jun. 30, 2023
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2023
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--12-31
Entity File Number	000-56469
Entity Registrant Name	ENDI CORP.
Entity Central Index Key	0001908984
Entity Tax Identification Number	87-4284605
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	2400 Old Brick Road
Entity Address, Address Line Two	Suite 115
Entity Address, City or Town	Glen Allen
Entity Address, State or Province	VA
Entity Address, Postal Zip Code	23060
City Area Code	(434)
Local Phone Number	336-7737
Title of 12(g) Security	Class A Common Stock, $0.0001 par value*
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 6,818,035
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Auditor Name	Brown, Edwards & Company, L.L.P
Auditor Location	Lynchburg, Virginia
Auditor Firm ID	423
Common Class A [Member]
Entity Common Stock, Shares Outstanding		5,468,133
Common Class B [Member]
Entity Common Stock, Shares Outstanding		1,800,000