Mystery Shopper Scams via Cash App
How fake mystery shopper assignments use Cash App to receive fake overpayment cheques and instruct workers to send funds back via Cash App before discovering the cheque was fraudulent.
Part of: Mystery Shopper Scams
Last reviewed: 1 June 2026
Mystery shopper scams are one of the oldest cheque fraud variants, but the introduction of Cash App as the fund-return mechanism has given the scam new reach among younger workers comfortable with peer-to-peer payments. The scheme exploits the time lag between a deposited cheque appearing available and the bank confirming it as fraudulent.
Cash App's instant and irreversible transfer mechanism means that by the time the victim's bank reverses the fraudulent cheque, the Cash App funds sent to the scammer are unrecoverable.
How this scam works on Cash App
A job posting — on job boards, Craigslist, or social media — advertises mystery shopper work with above-average pay. Selected applicants receive a cheque for several thousand dollars, instructed to deposit it and use a portion for their assigned 'mystery shop' — typically evaluating Cash App or Western Union money transfer services.
The worker deposits the cheque, sees it temporarily available in their account (before clearing), and sends the specified amount via Cash App to evaluate the service. The rest is to be kept as their pay. Days later, the bank reverses the cheque as fraudulent — leaving the worker with a negative balance covering both the Cash App transfer and their supposed pay.
Some operations skip the cheque and simply hire workers claiming to conduct Cash App customer experience evaluations, collecting small deposits as a 'service test.'
Common red flags
- Mystery shopper assignment requiring you to deposit a cheque and send part back via Cash App
- Cheque for a large amount sent by post for a mystery shopping job you applied to online
- Assignment specifically asking you to evaluate Cash App or money transfer services
- Instruction to 'keep the rest' after a transfer — this is the fake pay mechanism
- Urgency to complete the Cash App transfer before the cheque has fully cleared
How to protect yourself
- Never send money from a deposited cheque before it has fully cleared — even if your balance shows it
- Legitimate mystery shopping companies do not send large cheques and ask workers to transfer funds
- Verify any mystery shopping company with the Mystery Shopping Professionals Association (MSPA)
- Do not accept mystery shopping jobs from unsolicited emails, texts, or social media posts
- Contact your bank before depositing any unexpected cheque from a new employer
How to report it
- Report to the FTC at reportfraud.ftc.gov
- Report to Cash App's support if a transaction was made
- Report to your bank — they may be able to dispute the withdrawal if acted upon quickly
Frequently asked questions
Why does a deposited cheque appear available before it clears?
Banks often make a portion of deposited cheques available before the cheque is verified with the issuing bank. This availability does not mean the cheque has cleared — it is a courtesy advance by your bank. If the cheque later bounces, your bank reverses the full amount and you are responsible for any funds you sent from that balance.