> ## Documentation Index
> Fetch the complete documentation index at: https://docs.m1amdocs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Idempotency in a Merchant-Managed Flow

All of Partner Ecosystem Management's APIs are idempotent (that is, each call doesn’t alter or change the result for the same call). Partner Ecosystem Management requires the Merchant to support idempotency for successful subscription status management.

**Parent topic:**[Design Guidelines for the Merchant-Managed Flow](designGuidelinesPartnerManaged)


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