Reach & Delivery Estimate APIs

Error Response Code	Error Description
FAILURE_FETCHING_REACH_ESTIMATE	Internal error while fetching reach estimate
FAILURE_FETCHING_DELIVERY_ESTIMATE	Internal error while fetching delivery estimate
MISSING_FIELD_START_DATE	Start date is a mandatory field for reach and delivery estimate
MISSING_FIELD_END_DATE	End date is a mandatory field for reach and delivery estimate
MISSING_FIELD_METRIC	Metric is a mandatory field for reach and delivery estimate
MISSING_FIELD_MAX_BID	Max Bid is a mandatory field for reach and delivery estimate
ONLY_IMPRESSIONS_METRIC_IS_SUPPORTED	Metric can only have the value Impressions
INVALID_METRIC_FIELD	Metric can only have the value 'impressions'
INVALID_DELIVERY_SPEED	Delivery Speed can have the values 'frontloaded' and 'evenly'
INVALID_INPUT_COMBINATION_ADVERTISER_ID_OR_CAMPAIGN_ID_OR_ADGROUP_ID	AdGroup not found for the given input combination
START_DATE_GREATER_THAN_END_DATE	Start date is greater than the end date
BOTH_START_DATE_AND_END_DATE_ARE_IN_THE_PAST	Both start and end dates are in the past
ONE_OF_KEYWORDS_CONTEXTUAL_BEHAVIORAL_ROS_TARGETING_DETAILS_IS_MISSING	At least one of the 4 targetings, Keyword, Contextual, Behavioral or ROS must be present
MULTIPLE_TARGETINGS_OF_THE_SAME_TYPE_ARE_NOT_ALLOWED	Multiple targetings of the same targeting type are not allowed
MULTIPLE_TARGETING_OF_SAME_TARGET_TYPE_IS_NOT_ALLOWED_FOR_GEO_TARGETING	Multiple targetings of the same location_type are not allowed for geo targeting
MULTIPLE_TARGETING_OF_SAME_TARGET_TYPE_IS_NOT_ALLOWED_FOR_KEYWORD_TARGETING	Multiple targetings of the same target_type are not allowed for keyword targeting
IMPRESSION_ESTIMATE_SUCCESS	Reach estimate or delivery estimate is successfully returned
TARGETING_INCLUSIONS_CANNOT_BE_EMPTY	At least one valid Id or keyword should be present in the inclusions of contextual, behavioral or keyword targeting
BUDGET_AMOUNT_NEEDS_TO_BE_SET	Budget is not mandatory but cannot be passed as empty if it needs to be set.