RE: error using generatekeywordforecastmetrics: "the input has an invalid value"
Google Ads API Forum Advisor
Hi,
Thank you for contacting the Google Ads API support team.
I understand you are encountering the INVALID_VALUE error which indicates that the field's value is invalid. It seems that with additional parameters like maxCpcBidMicros combined with the maximizeConversionsBiddingStrategy will cause the endpoint not returning a forecast.
Please refer to the below request body I tested with by removing the additional parameters, which can get the successful forecast:
{
"forecastPeriod": {
"startDate": "2025-07-22",
"endDate": "2025-08-20"
},
"campaign": {
"languageConstants": [
"languageConstants/1002"
],
"geoModifiers": [
{
"geoTargetConstant": "geoTargetConstants/2250"
}
],
"keywordPlanNetwork": "GOOGLE_SEARCH",
"biddingStrategy": {
"maximizeConversionsBiddingStrategy": {
"dailyTargetSpendMicros": 5000000
}
},
"adGroups": [
{
"biddableKeywords": [
{
"keyword": {
"matchType": "BROAD",
"text": "test1"
}
}
]
},
{
"biddableKeywords": [
{
"keyword": {
"matchType": "PHRASE",
"text": "test2"
}
}
]
},
{
"biddableKeywords": [
{
"keyword": {
"matchType": "EXACT",
"text": "test3"
}
}
],
"negativeKeywords": [
{
"matchType": "BROAD",
"text": "test4"
}
]
}
]
}
}
Is maximize_conversions_bidding_strategy not supported by GenerateKeywordForecastMetrics?
The maximize_conversions_bidding_strategy field is supported in the GenerateKeywordForecastMetrics method. But maximize_conversions_bidding_strategy combined with maxCpcBidMicros is not supported.
Is there a specific combination of fields or requirements that I may have missed?
No, you haven't missed any fields but you added additional fields like maxCpcBidMicros which causes the APi to return an error.
Or does this method only support manual_cpc?
No, the GenerateKeywordForecastMetrics method supports manual_CPC, maximize_conversions_bidding_strategy and also maximize_clicks_bidding_strategy.
Thanks,
 |
Google Ads API Team |
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[2025-07-21 14:03:14Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01swDn0:ref" (ADR-00319582)
