American Express supports mobile check deposit into savings, up to $5,000 per day, with a 5:00 PM ET cutoff. Here is the complete guide for 2026.

Mobile Deposit Limits

Limit type Amount
Daily deposit limit $5,000
30-day rolling limit $10,000
Single check limit $5,000

Fund Availability

Check type Immediate Full availability
Standard personal check $225 Next business day
Large check (over $5,525) $225 2nd business day
New account (first 30 days) $225 5–7 business days
Government or cashier’s check $225 Next business day

The first $225 of every deposit is immediately available under Regulation CC regardless of check type.

Cutoff Time

  • 5:00 PM Eastern Time — deposits before this time process same day
  • Deposits after 5:00 PM ET, on weekends, or on federal holidays process the next business day

How to Deposit a Check via the American Express App

  1. Download the American Express app (iOS or Android) and log in
  2. Tap your High Yield Savings account
  3. Tap Deposit a Check
  4. Select the account (HYSA or CD if applicable)
  5. Enter the check amount
  6. Photograph the front — place check flat on a dark, well-lit surface
  7. Sign the back: write “For AmEx Mobile Deposit Only” + your signature
  8. Photograph the back
  9. Verify details and submit
  10. Keep the original check for 60 days before disposing

AmEx vs Synchrony Mobile Deposit Limits

American Express Synchrony
Daily limit $5,000 $10,000
30-day limit $10,000 $10,000
Cutoff time 5:00 PM ET 5:00 PM ET

For large check deposits, Synchrony’s higher $10,000 daily limit has an advantage.

Other Ways to Fund Your AmEx Savings

Mobile check deposit is one of several funding options:

  • ACH transfer from a linked checking account (most common, 1–3 days)
  • Wire transfer using routing 124085066 (for large amounts)
  • Direct deposit (routing 124085066, limited use for savings)
  • Mail a check (contact American Express for the mailing address)

Related articles:

WealthVieu
Written by WealthVieu

WealthVieu researches and writes data-driven personal finance guides using primary sources including the IRS, Bureau of Labor Statistics, Federal Reserve, and Census Bureau.

The content on Wealthvieu is for informational purposes only and should not be considered financial, tax, or investment advice. Consult a qualified professional before making financial decisions. Full disclaimer · Editorial policy