Prestashop has an excellent webservice and it is good to know how to use it. This is made easier with instructions and examples.

www.prestashop.com/forums/topic/248137-add-product-with-attr...
This is a forum thread on adding a product with attributes via the Web Service

www.inmotionhosting.com/support/edu/prestashop-15/maanging-w...
This PrestaShop 1.5 article teaches how to add a new webservice within the Advanced Parameters section.

www.inmotionhosting.com/support/edu/prestashop-15/maanging-w...
This PrestaShop tutorial guides you on configuring the settings in the Webservices section.

webprocafe.com/php-asp-java/2769-creating-web-service.html
Luckily the prestashop developers in their wisdom have incorporated a web services tool to allow access of the db contents not just from the front ( product presentation cms scripts) or from the back (the admin office) but also from 3rd party web servi ...

doc.prestashop.com/download/attachments/720902/CRUD%20Tutori...
This is a direct download link for Example for Using the PrestaShop Web Service : CRUD PDF which is a tutorial showing you how to use the PrestaShop web service with PHP library by creating a "CRUD" and is based on Pres ...

webkul.com/blog/how-to-add-new-tables-in-rest-api-of-prestas...
From last 2-3 days , I hitched in a problem , actually my problem was to create an entry in prestashop`s table(created by me) using webservices , but as we all know that , the webService of Prestashop includes only REST API which has very limited ...

With the growing communities in Open Source Prestashop E-Commerce Applications, 3rd party integration become one of the key elements. Thanks to the Prestashop communities to provide an excellent REST API Webservices. Let us discuss about how to setup ...

www.anterp.com/blog/how-to-use-prestashop-webservice-api/
With the growing communities in Open Source Prestashop E-Commerce Applications, 3rd party integration become one of the key elements. Thanks to the Prestashop communities to provide an excellent REST API Webservices. Let us discuss about how to setup a ...

stackoverflow.com/questions/16549776/prestashop-create-and-u...
This is a stackoverflow thread on this topic.
I (unfortunately) have to write a client application as front end to a prestashop powered web site. I'd need to perform all CRUD operations on resources via url webservice and I'm stuck on create an ...

github.com/PrestaShop/PrestaShop-webservice-lib
PrestaShop-webservice-lib - PHP library for PrestaShop Webservices download it from GitHub.

doc.prestashop.com/display/PS15/Using+the+PrestaShop+Web+Ser...
This tutorial demonstrates how to use the PrestaShop web service, using the dedicated PHP library to create a "CRUD" application. The Prestashop API also uses REST .
The PS 1.4 version is ...

doc.prestashop.com/display/PS16/Using+the+PrestaShop+Web+Ser...
Using the PrestaShop Web Service - PrestaShop 1.6 - PrestaShop documentation

doc.prestashop.com/display/PS14/Using+the+REST+webservice
This tutorial shows you how to use the PrestaShop web service with PHP library by creating a "CRUD" application.