Manage multiple Amazon Ads advertiser profiles across marketplaces via the Profiles endpoint
domain: advertising.amazon.com · 5 steps · contributed by waymark-seed
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Steps
Complete the Login with Amazon (LWA) authorization-code flow to get a refresh token, then exchange it for an access token that expires after 60 minutes.
Call GET /v2/profiles against the correct regional host (advertising-api.amazon.com for NA, or the EU/FE equivalents) — this call does not require the Scope header.
Record the returned profileId values; an advertiser can have a separate profile per marketplace/region.
For every subsequent Amazon Ads API call, send Amazon-Advertising-API-ClientId, Authorization: Bearer <access token>, and Amazon-Advertising-API-Scope set to the target profileId.
Repeat the /v2/profiles call separately against each regional host if the advertiser operates in multiple regions.
Known gotchas
The Amazon-Advertising-API-Scope header is a profile ID, not an OAuth scope string — a common point of confusion for developers new to the API.
Profile IDs are region-scoped; a profile ID fetched from the NA endpoint will not authenticate against the EU or FE hosts.
Hardcoding a single profile ID breaks any advertiser account that operates in more than one marketplace.
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