Best Manifesting is a USPS Pre-Certified eVS & IMpb vendor offering multi-carrier options with our user-friendly product Best Ship™. We hold several certifications and offer custom development to ensure our clients’ satisfaction. Best Ship™ is integrated to parcel carriers, marketplaces, inventory management companies, and hardware companies, supporting both domestic and international shipping options. We work with companies ranging from 100 to 500,000 parcels per day and are currently supporting several USPS NSA contracts. 

Best Ship™ Integration Options


  • Local file on computer
  • Local file on a server, driver letter mapped
  • Local file on a server, UNC mapped
  • Local file on an IP-mapped folder


  • On demand
  • Auto-fetch and archive


  • Using a TCP/IP socket


  • Using a direct URL
  • Using a parameterized web query
  • API or web services

Database manager (DBMS)

  • Connection String
  • DSN connection
  • ODBC
  • Query-based
  • Stored Procedure based

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Best Ship™ Integration Partners

Basil Bookseller Software

Addico Solutions, INC- Basil Bookseller Software

One comprehensive system — BASIL - POS and inventory control — anytime, anywhere; new, used, and online sales; integrated customer communication.

DHL Global Mail

DHL Global Mail

Succeed with DHL Global Mail’s unmatched solutions for high-volume mailers. Backed by Deutsche Post DHL, we are one of the largest work share partners of the U.S. Postal Service.


Endicia Postage Technologies

With over 25 years of leadership and innovation in electronic postage software solutions, DYMO Endicia is dedicated to making mailing and shipping easier, faster, and more efficient—so you can focus on your business.


Fillz Sales Management

Fillz is the premier web-based marketplace inventory and order management system that helps you increase your online sales by helping you diversify your online presence. FillZ specializes in assisting online sellers load inventory once, re-price inventory, and process orders simultaneously on up to 20 different marketplaces including Amazon, eBay, Half, AbeBooks, Barnes & Noble & Alibris. Best of all it’s very affordable with no minimum time commitment, and has zero start-up costs.


Indaba Systems

Selling media online is all about getting your items in front of as many potential buyers as possible and maximizing the dollars made on each item sold. We’ve put a lot of thought into building the right tool for online sellers. Indaba’s features were designed for real-life situations and streamlined through years of use. As your one-stop solution, Indaba has everything you need and a marketplace selling tool combined in one application.



Solutions for Marketplace Selling.

MSI Worldwide Mail

MSI Worldwide Mail

MSI is an international and domestic mail/parcel distribution company. Whether you’re an established corporation or a small business looking to enter new markets, our experienced staff can design individualized solutions to your mailing needs.

Vega Applications Development, Inc.

Vega Applications Development, Inc.

A Microsoft Certified Partner interested in giving our clients one-stop shopping for all their application development needs

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We think about our customers and our work based on such values as:

  • Quality;
  • Speed;
  • Integrity;
  • Affordability;
  • Efficiency;
  • Innovations;
  • Responsibility;
  • Preciseness;
  • Friendliness.