| Document and Entity Information | Jun. 01, 2023 |
| Entity Listings [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 01, 2023 |
| Entity File Number | 001-41111 |
| Entity Registrant Name | Bullpen Parlay Acquisition Company |
| Entity Central Index Key | 0001856724 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Tax Identification Number | 98-1594916 |
| Entity Address, Address Line One | 215 2nd St |
| Entity Address, Address Line Two | Floor 3 |
| Entity Address, City or Town | San Francisco |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94105 |
| City Area Code | 415 |
| Local Phone Number | 649-6923 |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant |
| Trading Symbol | BPACU |
| Security Exchange Name | NASDAQ |
| Common Class A [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Class A ordinary shares, par value $0.0001 per share |
| Trading Symbol | BPAC |
| Security Exchange Name | NASDAQ |
| Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 |
| Trading Symbol | BPACW |
| Security Exchange Name | NASDAQ |
