​
July 2025
Pay Cycle APIs

​
Pay Cycle APIs 🆕

Due to popular demand, we’ve introduced APIs to view Pay Cycles and their deductions via the Onsi API.

​
APIs

The documentation for the recommended processing of Pay Cycle deductions can be found here.
​
December 2024
Member Replace API

​
Member Replace API 🆕

Introduced the ability to replace member data entirely, simplifying member updates for partners.

​
APIs

​
Benefits

This new endpoint allows for easier program updates, as you don’t need to compare the current member state to the desired state to decide what changes to make. Simply provide the entire desired member state.
​
May 2024
Idempotency Support

​
Idempotency Support 🔄

Added comprehensive idempotency support to ensure reliable API operations and prevent duplicate processing.

​
Features

  • Idempotency documentation with implementation guidance
  • Support for x-idempotency-key header across all mutation endpoints
  • 7-day key retention for reliable retry handling
​
March 2024
API Launch

​
API Launch 🎉

We’re excited to announce the launch of the Onsi API! This initial release provides the foundation for partners to integrate with Onsi’s platform programmatically.