USPS API Integration

USPS provides mail processing and delivery services to every address in the US, including 160 million residences, businesses and Post Office Boxes.

Want to add it to your delivery checkout?

Don’t build the carrier integration from scratch — integrate with USPS via Ingrid Delivery Platform to ship online orders in the US.

See all supported carrier products from USPS →

Featured carrier services

Carrier service

Delivery types

Origin countries

Destinations

Priority Mail

Mailbox

US

US

Featured carrier services

Carrier service

Delivery types

Origin countries

Destinations

Priority Mail

Mailbox

US

US

Priority Mail Express

Mailbox

US

US

Supported carrier services

Carrier service

Delivery types

Origin countries

Destinations

Priority Mail

Mailbox

US

US

Priority Mail Express

Mailbox

US

US

Best box

Home delivery

SE

SE

Best box

Home delivery

SE

SE

Best box

Home delivery

SE

SE

Best distribution

Home delivery

SE

SE

Featured carrier services

Carrier service

Delivery types

Origin countries

Destinations

Priority Mail

Mailbox

US

US

Priority Mail Express

Mailbox

US

US

Featured carrier services

Carrier service

Delivery types

Origin countries

Destinations

Priority Mail

Mailbox

US

US

Priority Mail Express

Mailbox

US

US

Supported carrier services

Carrier service

Delivery types

Origin countries

Destinations

Best box

Home delivery

SE

SE

Best distribution

Home delivery

SE

SE

Best Hemleverans

Home delivery

SE

SE

Best distribution

Home delivery

SE

SE

Best distribution

Home delivery

SE

SE

Featured carrier services

Carrier service

Delivery types

Origin countries

Destinations

Priority Mail

Mailbox

US

US

Priority Mail Express

Mailbox

US

US

Improve your delivery experience

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