Stop guessing.
Start reproducing.

import { initVelyn } from "velyn-sdk";

const velyn = initVelyn({
  endpoint: "https://your-backend.com/ingest",
  apiKey:   "your-api-key",
});

// That's it. Events are captured and flushed automatically.

import { Velyn } from "velyn-sdk";

const velyn = new Velyn({
  endpoint:        "https://your-backend.com/ingest",
  apiKey:          "your-api-key",
  autoInstrument:  false,
});
velyn.start();

// Track events manually
velyn.trackAction("click", "#checkout-button");
velyn.trackApi("/api/checkout", "POST", 500);
velyn.trackError("TypeError: Cannot read 'id'");

import * as Sentry from "@sentry/browser";
import { initVelyn } from "velyn-sdk";

const velyn = initVelyn({
  endpoint:        "https://your-backend.com/ingest",
  apiKey:          "your-api-key",
  autoInstrument:  false,  // Sentry already captures everything
});

Sentry.init({
  dsn: "your-sentry-dsn",
  beforeSend(event) {
    velyn.captureFromSentryEvent(event);
    return event;
  },
});