How to send a check with Safe 1 Credit Union.
A guide to mailing a real paper check from your Safe 1 Credit Unionaccount — with premium options like Certified, Priority, and Express Mail that your bank doesn't offer.
Safe 1 Credit Union bill pay vs. Check Supply.
See how Check Supply compares with Safe 1 Credit Union's traditional bill-pay rails. Unlike your bank, Check Supply offers premium mail options — Certified, Priority, and Express — alongside faster processing and real-time tracking.
| Feature | Safe 1 Credit Union bill pay | Check Supply |
|---|---|---|
| Processing time | 3–5 business days | Same day (before 3 PM ET) |
| Delivery time | 5–7 business days | 1–5 business days |
| Mobile app | Limited mobile features | Full iOS app |
| Tracking | Limited | Real-time status + receipts |
| Setup | Online banking enrollment | Two-minute Plaid flow |
| Certified Mail | Not available | Available · signature + tracking |
| Priority Mail | Not available | Available · 1–3 days with tracking |
| Express Mail | Not available | Available · 1–2 day delivery |
Safe 1 Credit Union
Safe 1 Credit Union is supported by Check Supply for secure check mailing with premium delivery options.
Send a check using the iOS app.
01Install Check Supply.
Get Check Supply by downloading our iOS app from the App Store or signing in to the web app.

02Enter the payment amount.
Open the app and tap the Pay tab. Type in the amount you want to send and tap Mail My Check.

03Add the recipient.
Input the name and address of the person you wish to send the check to. You can also import this information from your iPhone's contacts.

04Connect your Safe 1 Credit Union account.
Connect your Safe 1 Credit Union account securely using Plaid. Your financial information is encrypted and stored only with Plaid; Check Supply never accesses or stores your sensitive data.

05Add an optional memo.
Add a memo or note to be printed on the bottom left corner of the check. This step is optional. When you're ready, tap Pay.

06Review and confirm.
You'll see a confirmation page to review all the details. Confirm and pay for the service. If completed before 3 PM ET on a business day, your check will be printed and mailed the same day.

07Track your check.
Under the Payments tab, you can track your checks. Most are delivered within 1–5 USPS business days, including Saturdays.

Send a check from your browser.
Need to send a check from your desktop or laptop? Check Supply Web gives you the same core workflow right in your browser. Sign in at my.check.supply. If you already created an account from the iOS app, your payment history and contacts will still be available.

01Connect your Safe 1 Credit Union account.
Connect your Safe 1 Credit Union account securely using Plaid in your browser. Your credentials stay encrypted and stored only with Plaid.


02Enter payment details and validate the address.
Open the Pay tab, enter the recipient's name and mailing address, and fill in the amount. Check Supply uses built-in USPS address validation to catch formatting issues before the check is mailed.

03Choose your shipping speed.
Pick the delivery option that matches your timeline. Unlike standard bank bill pay, Check Supply gives you multiple mailing speeds directly in the web app:
- First Class Mail · standard delivery, usually 3–5 business days.
- Priority Mail · faster tracked delivery, usually 2–3 business days.
- Express Mail · fastest option for urgent payments, usually 1–2 days.
- Certified Mail · proof of mailing and delivery for sensitive payments.




04Add your signature.
Draw your signature directly on screen with your mouse or trackpad so the check is authorized before sending.

05Review and send.
Review the payment details, delivery estimate, and total cost, then confirm the mailing. Once submitted, your check is sent to our printing facility for processing.

Mailing a check from Safe 1 Credit Union in under four minutes.
With Check Supply, you get access to premium mail options like Certified, Priority, and Express Mail that Safe 1 Credit Uniondoesn't offer. Whether you prefer your iPhone or a desktop browser, you can handle the full flow quickly, securely, and without any hassle.
Disclaimer: this page is an independent guide by Check Supply and is not affiliated with Safe 1 Credit Union.
Zelle at Safe 1 Credit Union.
Safe 1 Credit Union supports Zelle for eligible customers. Zelle can be useful for bank-to-bank transfers, but Safe 1 Credit Unioncontrols the account eligibility rules and transaction limits for its customers. When a payment is larger than Zelle's practical limits, Check Supply lets you send a real check instead.
Safe 1 Credit Union supports Zelle
Check Supply shows Safe 1 Credit Union as Zelle-supported in the latest support data. Enroll through Safe 1 Credit Union's own Zelle page or online banking flow to confirm eligibility before sending money.
Zelle limit guidance
Use these figures as researched guidelines, then confirm the current cap inside Safe 1 Credit Union's online banking or mobile app before sending. If the payment exceeds Safe 1 Credit Union's Zelle limit, use Check Supply to mail a check for the larger amount instead.
- Max capacity notes
- Official Safe 1 Credit Union Zelle page confirms support but does not publish Zelle dollar limits.
- Account scope notes
- Zelle is available in Safe 1 mobile app or online banking; fee schedule references Zelle stop-payment fees but no public send caps were found.
These figures are informational guidelines from our research, not a guarantee that the same limits apply to every Safe 1 Credit Unioncustomer. Zelle availability, sending limits, and receiving limits may vary by institution, account, account type, recipient, customer relationship, security controls, and other factors. Check Supply is a separate mailed-check payment option for larger payments that do not fit within Zelle's per-transfer, daily, weekly, or monthly caps.
Use Check Supply to send payments that do not fit Zelle's availability or transaction limits.