The ELS API makes accessing the U.S. Postal Service quick, easy and efficient.
Complete the form below to speak with a representative about a free Endicia ELS account that can be used to make calls in our sandbox environment, or to obtain a unique RegisterID.
Click here to view the ELS API Documentation
By entering my name below and clicking “Submit”, I certify the following: (1) all the information furnished is accurate and truthful, (2) I have read and understood the Mutual Nondisclosure Agreement and all its contents, and (3) I have the authority to accept the terms of the Confidential Disclosure Agreement. (Note: Your IP address will be logged as part of the certification process.)
By clicking “submit,” I give my consent to being contacted from or on behalf of Endicia or its affiliated family of companies at the number or email provided for new product information and shipping information. I understand that I can revoke this consent at any time and consent is not a condition to purchase.