System Limits

This page lists various limits in the Google Ads API along with the corresponding error that is thrown when the limit is exceeded. General product limits, such as the number of campaigns per account, is listed in the Google Ads Help Center.

Account
Maximum number of Google Ads accounts in a manager account hierarchy	`Value`: `Varies` `Error`: `ManagerLinkError.TOO_MANY_ACCOUNTS` Notes: See About maximum account limits for manager accounts for more details.
Maximum number of test accounts in a manager account hierarchy	`Value`: `50` `Error`: `ManagerLinkError.TOO_MANY_ACCOUNTS` Notes: N/A
Maximum number of manager accounts a Google Ads account can be managed by	`Value`: `5` `Error`: `ManagerLinkError.TOO_MANY_MANAGERS` Notes: See About manager linking errors for more details.
Maximum number of levels in a hierarchy, from top-level manager account to bottom-most Google Ads account	`Value`: `6` `Error`: `ManagerLinkError.MAX_DEPTH_EXCEEDED` Notes: See About manager linking errors for more details.
Maximum number of pending manager account invitations in the same hierarchy	`Value`: `20` `Error`: `ManagerLinkError.TOO_MANY_INVITES` Notes: See About manager linking errors for more details.
Name length	`Value`: `255 characters` `Error`: `StringLengthError.TOO_LONG` Notes: N/A
Ads
Headline length	`Value`: `30 characters` `Error`: `AdError.LINE_TOO_WIDE` Notes: See About text ads for more details.
Description1 or description2 length	`Value`: `90 characters` `Error`: `AdError.LINE_TOO_WIDE` Notes: See above.
Path1 or path2 length	`Value`: `15 characters` `Error`: `AdError.LINE_TOO_WIDE` Notes: See above.
Final URL length	`Value`: `2,084 bytes` `Error`: `StringLengthError.TOO_LONG` Notes: A protocol prefix (such as "https://") is required for final URLs and is counted against this limit.
Ad group
Name length	`Value`: `255 bytes` `Error`: `AdGroupError.INVALID_ADGROUP_NAME` Notes: N/A
Campaign budget
Maximum number of shared budgets in an account	`Value`: `11,000` `Error`: `ResourceCountLimitExceededError.ACCOUNT_LIMIT` Notes: The budgets limit is 1,000 more than the number of campaigns limit to allow for some room in reassigning budgets if needed. There is no restriction on the number of campaigns that can share a budget.
Maximum number of unshared budgets in an account	`Value`: `20,000` `Error`: `ResourceCountLimitExceededError.ACCOUNT_LIMIT` Notes: These are budgets that are associated with a specific campaign, and cannot be shared between campaigns.
Campaign
Maximum number of bidding strategies attached to ad groups per campaign	`Value`: `1,000` `Error`: `ResourceCountLimitExceededError.CAMPAIGN_LIMIT` Notes: N/A
Name length	`Value`: `128 bytes` `Error`: `StringLengthError.TOO_LONG` Notes: N/A
Conversion upload
Maximum number of offline click conversions that can be uploaded per API call	`Value`: `2,000` `Error`: `ConversionUploadError.TOO_MANY_CONVERSIONS_IN_REQUEST` Notes: For performance reasons, we limit the number of conversions that can be uploaded per API request to 2,000.
Criterion
Keyword length	`Value`: `80 characters` `Error`: `CriterionError.KEYWORD_TEXT_TOO_LONG` Notes: N/A
Placement URL length	`Value`: `250 characters` `Error`: `CriterionError.PLACEMENT_URL_IS_TOO_LONG` Notes: Protocol prefixes (such as "http://") are stripped from placement URLs and are not counted towards this limit.
Final URL length	`Value`: `2,047 bytes` `Error`: `StringLengthError.TOO_LONG` Notes: The protocol prefix (such as "http://") is counted towards this limit.
Proximity radius	`Value`: `800 km / 500 mi` `Error`: `CriterionError.INVALID_PROXIMITY_RADIUS` Notes: N/A
Maximum number of Shopping ad groups in a single request that modifies the structure of the ProductPartition tree.	`Value`: `2` `Error`: `AdGroupCriterionError.OPERATIONS_FOR_TOO_MANY_SHOPPING_ADGROUPS` Notes: This limit does not apply to operations on ProductPartition criteria changes that do not modify the structure of the tree. For example, a request that only modifies the bids of existing partitions can contain operations for more than two Shopping ad groups.If you want to modify the structure of the ProductPartition tree for more than two Shopping ad groups, consider using batch jobs, where this restriction does not apply.
Excluded IP blocks per campaign	`Value`: `500` `Error`: `ResourceCountLimitExceededError.CAMPAIGN_LIMIT` Notes: N/A
Feed
Feeds per account	`Value`: `100` `Error`: `ResourceCountLimitExceededError.ACCOUNT_LIMIT` Notes: We recommend using only one feed per extension type whenever possible.
Feed items per account	`Value`: `5,000,000` `Error`: `ResourceCountLimitExceededError.ACCOUNT_LIMIT` Notes: N/A
Feed attributes per feed	`Value`: `30` `Error`: `ResourceCountLimitExceededError.ACCOUNT_LIMIT` Notes: N/A
Feed items per matching function	`Value`: `20` `Error`: `ResourceCountLimitExceededError.ACCOUNT_LIMIT` Notes: N/A
Label
Maximum number of labels that can be applied to accounts by a manager account	`Value`: `200` `Error`: `ResourceCountLimitExceededError.ACCOUNT_LIMIT` Notes: N/A
Maximum number of accounts a label can be applied to	`Value`: `1,000` `Error`: `ResourceCountLimitExceededError.ACCOUNT_LIMIT` Notes: N/A
Maximum number of labels that can be applied to entities (campaigns, ad groups, etc.) per account	`Value`: `100,000` `Error`: `ResourceCountLimitExceededError.CAMPAIGN_LIMIT, ADGROUP_LIMIT, etc.` Notes: Labels for all entity types count towards the same limit.
Maximum number of labels that can be applied to a single entity (campaign, ad group, etc.)	`Value`: `50` `Error`: `ResourceCountLimitExceededError.CAMPAIGN_LIMIT, ADGROUP_LIMIT, etc.` Notes: N/A
Listing groups
Maximum number of listing groups per ad group	`Value`: `20,000` `Error`: `ResourceCountLimitExceededError.RESOURCE_LIMIT` Notes: N/A
Payments account
Maximum number of billing setups that can be linked to a payments account	`Value`: `75,000` `Error`: `BillingSetupError.PAYMENTS_ACCOUNT_INELIGIBLE` Notes: N/A
Performance Max
Maximum number of asset groups in one campaign	`Value`: `100` `Error`: `ResourceCountLimitExceededError.RESOURCE_LIMIT` Notes: N/A
Maximum number of listing group filters in one campaign	`Value`: `20,000` `Error`: `ResourceCountLimitExceededError.RESOURCE_LIMIT` Notes: N/A
Maximum number of listing group filter subdivisions in one campaign	`Value`: `7` `Error`: `AssetGroupListingGroupFilterError.TREE_TOO_DEEP` Notes: N/A

API limits and quotas

Rate limits

System Limits

Account

Ads

Ad group

Campaign budget

Campaign

Conversion upload

Criterion

Feed

Label

Listing groups

Payments account

Performance Max