Display accurate USPS rates for Priority Mail, First-Class, Parcel Select, and 20+ other services. Connect your USPS account and let customers choose the speed and price that works for them.
USPS is the default for millions of small and medium US online stores — now with accurate live rates.
Show multiple USPS options and let customers choose. Higher-margin express options convert more than you expect.
USPS First-Class is unbeatable for under-1lb shipments. Show those rates correctly.
USPS updates rates every January. Your checkout updates with them — nothing to touch.
Get configured and live in under 10 minutes — no developer required.
Get your free USPS Web Tools credentials. The plugin guides you through the registration page.
Enter your ship-from ZIP code and select which USPS services to display at checkout.
Choose how you pack (package type, size) and add any handling fees. Go live.
Tested with all major setups, themes, and page builders. Compatible with:
“Most of my items are under 8oz. USPS First-Class is dramatically cheaper than UPS for those. This plugin shows those rates correctly and my cart abandonment plummeted.”
“Priority Mail flat rate boxes are a great deal for heavier items. Now those rates show automatically based on weight and the customer sees the real cost.”
“I’d been overcharging on shipping for two years with my old flat rate plugin. After switching I got three 5-star reviews specifically mentioning fair shipping costs.”
Direct connection to USPS — accurate rates, always.
First-Class, Priority, Priority Express, Parcel Select, Media Mail, and more.
Many competitors get First-Class wrong — we don’t.
7 days to verify rates against your actual shipments.
USPS tables go wrong fast, especially for First-Class weight tiers.
Some plugins don’t properly support USPS First-Class for lightweight items.
Flat rate envelopes need to be calculated differently — most plugins ignore this.
Can’t verify rates are correct before going live with real customers.
Real-time USPS rates per cart and address.
Lightweight parcel rates — the most affordable for under-1lb.
Including Flat Rate envelopes and boxes.
Overnight delivery rates.
Economical rates for larger ground parcels.
Special rates for books, media, and educational materials.
International Priority, First-Class International, and more.
Flat or % markup over live rates.
Flat Rate, your packaging, or USPS-supplied packaging.
Fast checkout without per-request delays.
Backup flat rate if API is unreachable.
Rates calculated from your exact ship-from location.
Try the full plugin for 7 days, then choose the plan that fits your store count.
Set up in minutes, test with your real shipments. $1 for 7 days — no risk.