The APPARATUSES, METHODS AND SYSTEMS FOR A PUBLISHING AND SUBSCRIBING PLATFORM OF DEPOSITING NEGOTIABLE INSTRUMENTS (hereinafter “PS-PLATFORM”) provides a negotiable instrument data publish and subscribe framework, whereby financial institutions may exchange negotiable instrument deposit data and/or validation information within the publish and subscribe framework. In one embodiment, the PS-PLATFORM may register a financial institution as a subscriber and provide financial transaction information to the financial institution based on the subscription.