This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The instrumentKey read-only property of the PaymentRequestEvent interface returns a PaymentInstrument object reflecting the payment instrument selected by the user or an empty string if the user has not registered or chosen a payment instrument.
Syntax
var instrumentKey = paymentRequestEvent.instrumentKey
Value
A PaymentInstrument object.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Payment Handler API The definition of 'instrumentKey' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 601 | ? | ? | ? | No | ? |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | No | 601 | ? | ? | No | ? | No |
1. From version 60: this feature is behind the #service-worker-payment-apps preference (needs to be set to Enabled). To change preferences in Chrome, visit chrome://flags.