This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The BudgetService interface of the Web Budget API provides a programmatic interface to the user agent’s budget service. It is available in both document and worker environments.




Returns a Promise that resolves to a double, indicating the worst-case background operation cost of the provided background operation.
Returns a Promise that resolves to an array of BudgetState objects, indicating the expected state of the budget at times in the future.
Returns a Promise that resolves to a boolean, indicating whether the requested budget operation can be reserved.


Specification Status Comment
Web Budget API
The definition of 'BudgetService' in that specification.
Draft Initial definition.

Browser Compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support55 ? ? ?42 ?
getBudget55 ? ? ?42 ?
getCost55 ? ? ?42 ?
reserve55 ? ? ?42 ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support5555 ? ?42 ?6.0
getBudget5555 ? ?42 ?6.0
getCost5555 ? ?42 ?6.0
reserve5555 ? ?42 ?6.0

Document Tags and Contributors

Contributors to this page: fscholz, DPangerl, david_ross, jpmedley
Last updated by: fscholz,