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Frequently Asked Questions

A curated summary of the top questions asked on our Slack community, often relating to implementation, functionality, and building better products generally.
Statsig FAQs
SDKS

Is there a callback in Statsig React SDK to know if the SDK failed to initialise within a specified timeframe?

In the Statsig React SDK, you can use the initCompletionCallback option during the SDK initialization to verify if the initialization was successful within a specified timeframe. This callback is invoked when the initialization process is completed. It provides three parameters: initDurationMssuccess, and message.

If the initialization was not successful within the specified timeframe, the success parameter would be false and the message parameter would provide additional information.

Here's an example of how to use it:

javascript statsig.initialize('<CLIENT_SDK_KEY>', user, {    initCompletionCallback: (initDurationMs, success, message) => {        if (success) {            console.log('Statsig has been initialized successfully.');        } else {            console.log('Statsig initialization failed:', message);        }    }, });

Please note that this option is supported in v4.13.0+ of the JavaScript SDK. For more information, you can refer to the Statsig JavaScript SDK documentation under Options.

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What builders love about us

OpenAI OpenAI
Brex Brex
Notion Notion
SoundCloud SoundCloud
Ancestry Ancestry
At OpenAI, we want to iterate as fast as possible. Statsig enables us to grow, scale, and learn efficiently. Integrating experimentation with product analytics and feature flagging has been crucial for quickly understanding and addressing our users' top priorities.
OpenAI
Dave Cummings
Engineering Manager, ChatGPT
Brex's mission is to help businesses move fast. Statsig is now helping our engineers move fast. It has been a game changer to automate the manual lift typical to running experiments and has helped product teams ship the right features to their users quickly.
Brex
Karandeep Anand
President
At Notion, we're continuously learning what our users value and want every team to run experiments to learn more. It’s also critical to maintain speed as a habit. Statsig's experimentation platform enables both this speed and learning for us.
Notion
Mengying Li
Data Science Manager
We evaluated Optimizely, LaunchDarkly, Split, and Eppo, but ultimately selected Statsig due to its comprehensive end-to-end integration. We wanted a complete solution rather than a partial one, including everything from the stats engine to data ingestion.
SoundCloud
Don Browning
SVP, Data & Platform Engineering
We only had so many analysts. Statsig provided the necessary tools to remove the bottleneck. I know that we are able to impact our key business metrics in a positive way with Statsig. We are definitely heading in the right direction with Statsig.
Ancestry
Partha Sarathi
Director of Engineering
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