Dart SDK

dart pub add prodantix_sdk

import 'package:prodantix_sdk/prodantix_sdk.dart';

const projectKey = String.fromEnvironment('PRODANTIX_PUBLIC_KEY');

final client = ProdantixClient(
  apiKey: projectKey,
  host: 'https://eu.api.prodantix.com',
);

client.identify('user-123');
client.capture('order.completed', properties: {'total': 42});

final inbox = await client.getInbox();
await client.shutdown();

// Remote: asks the server, and is the authoritative answer.
if (await client.isFeatureEnabled('new-checkout')) {
  // ...
}

// Local: evaluated in process from a cached snapshot, no round trip per call.
if (await client.isFeatureEnabledLocal('new-checkout', properties: {'plan': 'pro'})) {
  // ...
}

// Every per-flag read records one $feature_flag_called exposure.
final variant = await client.getVariant('new-checkout');
if (variant?['key'] == 'treatment') {
  // ...
}

// A flag targeting a cohort reads this user's memberships from the store;
// pass them yourself to skip the lookup.
if (await client.isFeatureEnabledLocal('members', cohorts: ['<cohort id>'])) {
  // ...
}

final client = ProdantixClient(
  apiKey: projectKey,
  host: 'https://eu.api.prodantix.com',
  transport: MyTransport(),
  requester: myRequester,
  // Hold a Socket.IO subscription to flag changes and refetch the snapshot on
  // push, instead of waiting for the 30s poll.
  streamFlags: true,
);