While Mercury doesn’t issue checkbooks or support third-party checks, you can still send checks by mail through your dashboard. This guide explains how to send checks and what to expect.
How to send a check
You can send a paper check to recipients in the US and US Territories from your Mercury dashboard.
- Click Move Money, then select Send
- Choose or add a recipient, or upload a bill to start
- Select Check as the payment method
- Fill in the required payment details and follow the prompts
- (Optional) Upload up to 6 pages of attachments in PDF, PNG, or JPG format
- Files must be exactly 8.5" x 11" at 300 DPI
- HTML files will be rendered and paginated automatically
Delivery time
Checks are mailed via USPS and typically arrive in 7–10 business days (1 day to print, then delivery). The check will remain pending until it’s deposited. If not deposited within 90 days, it will automatically cancel.
Important notes
Mercury doesn’t issue checkbooks, and you shouldn’t use the routing number or account details printed on Mercury-issued checks for direct deposits or account verification. These checks are generated and mailed on your behalf through the dashboard.
If asked for a voided check to verify your account, you can usually provide a bank letter instead. Download one from the Documents & Data page under Bank Letters.
Mercury is a fintech company, not an FDIC insured bank. Banking services provided through Choice Financial Group and Column N.A., Members FDIC.