1PSIM API Integration Guide

Welcome to the 1PSIM API Documentation for Reseller and Wholesale Partners.

1PSIM offers a comprehensive and easy-to-integrate API designed specifically for our reseller and wholesale partners. Through our API, partners can perform essential operations such as:

• Purchase SIM and eSIM products

• Activate physical SIM cards

• Top-up and manage mobile plans

This section of the user manual provides detailed instructions on how to integrate with the 1PSIM platform. Whether you're launching your own MVNO, reselling plans, or managing a telecom portal, our API is built to support scalable, automated operations with minimal complexity.

What You’ll Find in This Section:

• Authentication & Access Keys

• Endpoint Descriptions and Examples

• SIM & eSIM Purchase Workflows

• Activation Procedures

• Plan Top-Up and Balance Management

• Error Codes and Troubleshooting

Let’s get started with setting up your API access.