{
"month": "02/2023"
}curl --location 'https://www.amazon.com/ap/oa/mediaPlan/historicalReachCurvesMetadata/list' \
--header 'Amazon-Ads-AccountId;' \
--header 'Amazon-Advertising-API-ClientId: YOUR_CLIENT_ID' \
--header 'Amazon-Advertising-API-Scope: ADVERTISER_ID' \
--header 'Content-Type: application/vnd.mediaplanhistoricalreachcurves.v1+json' \
--data '{
"month": "02/2023"
}'{}