Limits

This page lists various limits in the AdWords 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 AdWords Help Center.

Please note that UTF-8 encoding is used when calculating byte limits for string values.

Account

Description	Value	Error	Notes
Maximum number of AdWords accounts in a manager account hierarchy	Varies	ManagedCustomerServiceError.TOO_MANY_ACCOUNTS	See the following articles for details: About maximum account limits for manager accounts Manager account limits
Maximum number of test accounts in a manager account hierarchy	50	ManagedCustomerServiceError.TOO_MANY_ACCOUNTS	N/A
Maximum number of manager accounts an AdWords account can be managed by	5	ManagedCustomerServiceError.TOO_MANY_UI_API_MANAGERS	See Manager account limits for additional details.
Maximum number of levels in a hierarchy, from top-level manager account to bottom-most AdWords account	6	ManagedCustomerServiceError.MAX_LINK_DEPTH_EXCEEDED	See Manager account limits for additional details.
Maximum number of manager accounts that can directly manage another manager account	1	ManagedCustomerServiceError.ALREADY_MANAGED_FOR_UI_ACCESS	See Manager account limits for additional details.
Maximum number of pending manager account invitations in the same hierarchy	20	ManagedCustomerServiceError.ALREADY_MANAGED_IN_HIERARCHY	See Manager account limits for additional details.
Name length	255 characters	ManagedCustomerServiceError.INVALID_DESCRIPTIVE_NAME	N/A

Ad

Description	Value	Error	Notes
Headline length (normal / long)	25 / 30 characters	PolicyViolationError or AdError.LINE_TOO_WIDE	Double-width characters count as two characters for the purpose of this limit. Longer text ads are allowed in some countries. Campaigns targeting countries that don't allow longer text ads will throw a PolicyViolationError with policyName "line_overflow" if the length is greater than normal maximum but smaller than the longer maximum.
Description1 or description2 length (normal / long)	35 / 38 characters	PolicyViolationError or AdError.LINE_TOO_WIDE	See above.
Display URL length	255 bytes	AdError.LINE_TOO_WIDE	Display URLs will be shortened if greater than 35 characters long, but this field allows for additional characters because the domain of the display URL and final URL must match.
Final URL length	2,047 bytes	AdError.URL_MALFORMED	A protocol prefix (such as "http://") is required for final URLs and is counted against this limit.
Mobile Text Ad Final URL length	500 bytes	AdError.TOO_LONG	See above.
Mobile Image Ad Final URL length	200 bytes	AdError.TOO_LONG	See above.

Ad group

Description	Value	Error	Notes
Name length	255 bytes	AdGroupServiceError.INVALID_ADGROUP_NAME	N/A

Batch job

Description	Value	Error	Notes
Size of uploaded active batched operations in an account	1 GB	BatchJobError.DISK_QUOTA_EXCEEDED	If you encounter this error, wait until the size of pending uploaded operations falls below the limit before creating new jobs.
Maximum number of batch jobs created per day for a test account	250	N/A	N/A

Budget

Description	Value	Error	Notes
Maximum number of shared budgets in an account	11,000	EntityCountLimitExceeded.ACCOUNT_LIMIT	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	20,000	EntityCountLimitExceeded.ACCOUNT_LIMIT	These are budgets that are associated with a specific campaign, and cannot be shared between campaigns.

Campaign

Description	Value	Error	Notes
Maximum number of bidding strategies attached to ad groups per campaign	1000	EntityCountLimitExceeded.CAMPAIGN_LIMIT	N/A
Name length	128 bytes	CampaignError.INVALID_CAMPAIGN_NAME	N/A

Criterion

Description	Value	Error	Notes
Keyword length	80 characters	CriterionError.KEYWORD_TEXT_TOO_LONG	N/A
Placement URL length	250 characters	CriterionError.PLACEMENT_URL_IS_TOO_LONG	Protocol prefixes (such as "http://") are stripped from placement URLs and are not counted towards this limit.
Placement URL depth	2 levels	CriterionError.INVALID_FORMAT_FOR_PLACEMENT_URL	Only applies to placements that target a site section (such as "www.example.com/foo/bar/"). Placements targeting a specific page are not subject to this limit (such as "www.example.com/foo/bar/hello/world.html").
Final URL length	2,047 bytes	CriterionPolicyError.POLICY_ERROR	The protocol prefix (such as "http://") is counted towards this limit.
Proximity radius	800 km / 500 mi	CriterionError.INVALID_PROXIMITY_RADIUS	N/A
Maximum number of Shopping ad groups in a single request that modifies the structure of the ProductPartition tree.	2	AdGroupCriterionError.OPERATIONS_FOR_TOO_MANY_SHOPPING_ADGROUPS	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	500	EntityCountLimitExceeded.CAMPAIGN_LIMIT	N/A

Experiment

Description	Value	Error	Notes
AdWords campaign experiments	1,000	ExperimentService.EXPERIMENT_LIMIT_EXCEEDED	N/A

Feed

Description	Value	Error	Notes
Feeds per account	100	EntityCountLimitExceeded.ACCOUNT_LIMIT	We recommend using only one feed per extension type whenever possible.
Feed items per account	5,000,000	EntityCountLimitExceeded.ACCOUNT_LIMIT	N/A
Feed attributes per feed	30	EntityCountLimitExceeded.ACCOUNT_LIMIT	N/A
Feed items per matching function	20	EntityCountLimitExceeded.ACCOUNT_LIMIT	N/A

General

Description	Value	Error	Notes
Operations per request	5,000	SizeLimitError.REQUEST_SIZE_LIMIT_EXCEEDED	For performance reasons we typically recommend passing no more than 2,000 operations per request. You can read more about batching operations in the Best Practices Guide.
Results per page	10,000	SizeLimitError.RESPONSE_SIZE_LIMIT_EXCEEDED	N/A
Size of a POST request	16 MB	HTTP Error 413 - Request entity too large	The maximum allowed content length for a POST body is 16MB.
Start index of request	100,000	SelectorError.START_INDEX_IS_TOO_HIGH	To avoid this limit when retrieving a large result set, Narrow the query as much as possible using predicates. Group queries by Campaign and AdGroup to retrieve only required data and to fit all results into one response. Use AdHoc reporting to obtain data. You can retrieve most fields with reports.

Label

Description	Value	Error	Notes
Maximum number of labels that can be applied to accounts by a manager account	200	EntityCountLimitExceeded.ACCOUNT_LIMIT	N/A
Maximum number of accounts a label can be applied to	1,000	EntityCountLimitExceeded.ACCOUNT_LIMIT	N/A
Maximum number of labels that can be applied to entities (campaigns, ad groups, etc.) per account	100,000	EntityCountLimitExceeded.CAMPAIGN_LIMIT, EntityCountLimitExceeded.ADGROUP_LIMIT, etc.	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.)	50	EntityCountLimitExceeded.CAMPAIGN_LIMIT, EntityCountLimitExceeded.ADGROUP_LIMIT, etc.	N/A

Offline Conversions

Description	Value	Error	Notes
Maximum number of offline click conversions that can be uploaded per API call	2,000	SizeLimitError.REQUEST_SIZE_LIMIT_EXCEEDED	Starting with v201710, for performance reasons, we limit the number of offline click conversions that can be imported per API call to 2,000.

Targeting idea

Description	Value	Error	Notes
Seed keywords per stats request	700	CollectionSizeError.TOO_MANY	N/A
Seed keywords per keyword ideas request	200	CollectionSizeError.TOO_MANY	N/A
The maximum number of results for TargetingIdeaService.get()	700	N/A	N/A
Keyword results returned by TargetingIdeaService	800	N/A	N/A

Traffic estimator

Description	Value	Error	Notes
Keyword estimates per request	2,500	TrafficEstimatorError.TOO_MANY_KEYWORD_ESTIMATE_REQUESTS	N/A
Sum of keywords x locations x languages in each campaign estimate request	50,000	TrafficEstimatorError.TOO_MANY_TARGETS	N/A