Can I predict when my USPS package will be delivered?
The USPS website has tool that details “Service Commitment,” or the time frame they are committed to fulfilling when delivering your package. If you want to look up Service Commitment, here’s how to do it: Go to this Link Enter the origin and destination zip...
Can I use Regional Rate Boxes for International Shipments?
No. For multiple reasons: Regional Rate Box prices are only available to mailers with agreements with the Postal Service, and in those cases, those mailers already have access to Priority Mail International Regional Rate Boxes. USPS will likely refuse to deliver an international shipment when...
Can USPS provide overnight delivery?
Yes. USPS Express Mail provides overnight delivery to most U.S. locations. There are limitations when it comes to remote U.S. addresses and P.O. boxes, but for the most part, Express Mail is a reliable overnight delivery service.
Do you support First Class letters?
Yes. We do support first-class letters.
How do I make a USPS Pickup Request?
Making a pickup request with our API is pretty simple. We have a detailed guide the goes through our Pickup object in the API, which you can find here.
Is EasyPost a PC Postage provider?
Yes. EasyPost is a PC Postage provider that offers some of the lowest per-label prices in the market today.
What is Priority Mail?
USPS Priority Mail is a great combination of affordability and speed. Priority Mail usually delivers packages within 2-3 days, which is great for eCommerce businesses. Most eComm packages aren’t urgent enough to warrant expensive next day air services, but they also aren’t meant to meander...
What is the Large Envelope/Flat?
The words "envelope" and "flat" are thrown around a lot in USPS’ verbiage, but they’re interchangeable terms for the same thing. They refer to a package that is: One dimension greater than 6 1/8" high OR 11 1/2" long OR 1/4" thick. No more than...
What is USPS Cubic Pricing?
Cubic Pricing is available to high-volume shippers and all EasyPost customers. For shippers who send high volumes of small, heavy packages, it offers deep discounts due to Cubic Pricing’s unique rate calculations. Cubic Pricing is measured by calculating: Length x Width x Height / 1728...
What USPS service levels can I get tracking information on?
You can get tracking information on all USPS service levels EXCEPT USPS Flats and Letters. USPS doesn’t support tracking for Flats and Letters. If you absolutely need tracking, you’ll need to use Parcel as the predefined_package for your USPS Flats and Letters shipment. This will...