Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2023	Aug. 14, 2023
Document Information Line Items
Entity Registrant Name	COYNI, INC.
Trading Symbol	N/A
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		100,301,968
Amendment Flag	false
Entity Central Index Key	0000768216
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Jun. 30, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	true
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	000-22711
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	76-0640970
Entity Address, Address Line One	3131 Camino Del Rio N, Suite 1400
Entity Address, City or Town	San Diego
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92108
City Area Code	(855)
Local Phone Number	201-1613
Entity Interactive Data Current	Yes
Title of 12(b) Security	N/A
Security Exchange Name	NONE