| Document And Entity Information | Jan. 18, 2024 |
| Document Information Line Items | |
| Entity Registrant Name | COYNI, INC. |
| Trading Symbol | N/A |
| Document Type | 8-K/A |
| Current Fiscal Year End Date | --12-31 |
| Amendment Flag | true |
| Amendment Description | Coyni, Inc. (the “Company”) files this amendment to its Form 8-K dated June 27, 2023 in order to provide updated information regarding an Agreement and Plan of Merger dated June 8, 2023. The Company also files this amendment to disclose the subsequent filing of a Termination of Merger on or about December 6, 2023 out of an abundance of caution. |
| Entity Central Index Key | 0000768216 |
| Document Period End Date | Jan. 18, 2024 |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | true |
| Entity Incorporation, State or Country Code | NV |
| Entity File Number | 000-22711 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | N/A |
| Security Exchange Name | NONE |
