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Gleap logs your app’s network requests and attaches the most recent ones to every ticket, so you can see what went wrong. Network logs work out of the box: enable Network logs in the Developer options of your project in the Gleap dashboard. On iOS and Android the plugin records the fetch and XMLHttpRequest requests of your app’s WebView (also with CapacitorHttp enabled) and hands them to the native SDK; on the web the JavaScript SDK records them. For each request Gleap logs the method, URL, request and response headers and bodies, the status, the duration and, for failed, aborted or timed-out requests, the error. Text bodies are kept up to 150 KB; binary and streaming bodies (images, server-sent events) are left out. The last 30 requests are attached to a ticket. On iOS and Android, WebView requests are recorded once the project configuration with network logs enabled has loaded; earlier requests are not logged. The plugin has no method to start network logging from code.
WebView requests are logged on iOS and Android with SDK v19.0.0 and newer. Older versions only logged native requests there, which a Capacitor app rarely makes.

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Filtering network logs

Gleap allows you to strip off specific key/value pairs from network logs. This empowers you to easily remove sensitive data like tokens, passwords or usernames.

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How does it work?

Open your project in the Gleap dashboard, go to Developer options and add the keys to exclude under Network logs → Ignored keys. The keys are loaded together with the widget configuration, and the SDK removes them on the device before a report is sent, so this data never leaves the client application:
  • Headers: request and response headers with a matching name are removed (the name is matched case-insensitively).
  • JSON bodies: matching keys are removed from request and response bodies at any depth, including objects inside arrays. A key with dots, like user.password, also removes exactly that path.
  • Form bodies and URL parameters: matching application/x-www-form-urlencoded fields and query parameters are removed.
Independent of this list, the values of the Authorization, Proxy-Authorization, Cookie and Set-Cookie headers are always replaced by [REDACTED].
Matching nested keys, form fields and URL parameters, and the masked credential headers, need SDK v19.0.0 or newer. Older SDKs only remove top-level keys from headers and JSON bodies, and the Android SDK applied neither the ignored keys nor the blacklist before v19.0.0.

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Example

To remove an API key header and every password field, add x-api-key and password to the list.

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Set filter with code

It’s also possible to set the network log filters by code. Each call replaces the previous list. The keys set in the dashboard apply in addition.

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Blacklisting URLs

It is possible to blacklist URLs or parts of URLs. If a network request matches one of the entries in the blacklist, the network request won’t be included in the network logs.
Requests to Gleap’s own hosts (gleap.io and gleap.ai, the domain of the US data region) are always excluded from the network logs, so you don’t need to blacklist them yourself. The JavaScript SDK does this since v18.0.0, the iOS, Android, React Native, Flutter and Ionic Capacitor SDKs since v19.0.0.
To add a new entry to the blacklist, open your project in the Gleap dashboard, go to Developer options and add the URLs under Network logs → Excluded domains.

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Set blacklist with code

It’s also possible to set the network log blacklist by code. Each call replaces the previous list. The domains set in the dashboard apply in addition.