Cover Page - shares	6 Months Ended
	Jun. 30, 2022	Aug. 12, 2022
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Entity Registrant Name	DENALI CAPITAL ACQUISITION CORP.
Entity Central Index Key	0001913577
Entity File Number	001-41351
Current Fiscal Year End Date	--12-31
Entity Incorporation, State or Country Code	E9
Entity Tax Identification Number	98-1659463
Entity Address, Address Line One	437 Madison Avenue
Entity Address, Address Line Two	27th Floor
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10022
City Area Code	646
Local Phone Number	978-5180
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	true
Capital Units [Member]
Document Information [Line Items]
Title of 12(b) Security	Units, each consisting of one Class A ordinary share and one redeemable warrant
Trading Symbol	DECAU
Security Exchange Name	NASDAQ
Common Class A [Member]
Document Information [Line Items]
Title of 12(b) Security	Class A ordinary shares, par value $0.0001 per share
Trading Symbol	DECA
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		8,760,000
Warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Trading Symbol	DECAW
Security Exchange Name	NASDAQ
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,062,500