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To configure standalone TON Connect in Omniston, set tonconnect.type to "standalone", provide your app’s public manifest URL as tonconnect.options.manifestUrl, then mount the widget after its container exists. The widget initializes TON Connect internally, so you do not need to create a separate TON Connect instance for this widget flow.
What you need before setup
- A publicly reachable TON Connect manifest that you create and host. The Omniston guide says its URL must be on the same domain as your application; it warns that wallets reject connections when the domains do not match.
- A page element where the widget will appear, such as
<div id="omniston-widget-container"></div>. - A way to load the widget: use the CDN script for a static page, or the npm loader for a bundled application.
The STON.fi quick-start sample manifest contains url, name, and iconUrl fields and says to customize them for your application. That sample is not a substitute for checking the TON Connect manifest specification.
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Choose how to load the widget
Static page: load from the CDN
Include https://widget.ston.fi/v0/index.js on the page. The script exposes the constructor as window.OmnistonWidget. The CDN path is major-versioned; STON.fi says non-breaking updates are delivered within a major version and breaking changes require adopting a new major path.
Bundled application: use the npm loader
Install @ston-fi/omniston-widget-loader, call its load() method, and instantiate the constructor it returns. The package loads the CDN-hosted widget bundle; it is a loader, not a fixed local copy of the widget.
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Both approaches expose the same widget constructor. Choose based on how your app loads scripts and when it needs the widget.
Configure standalone mode and mount
Once the widget constructor is available and the target container has been added to the DOM, pass the manifest URL in the standalone options and mount the instance:
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const widget = new window.OmnistonWidget({
tonconnect: {
type: "standalone",
options: {
manifestUrl: "https://your-app.example/tonconnect-manifest.json",
},
},
});
widget.mount(document.querySelector("#omniston-widget-container"));
Replace the example URL with the public URL for your own manifest. The required standalone option is manifestUrl; other widget configuration is optional. Make sure the selector resolves to an element before calling mount().
Standalone or integrated: which connection mode fits?
| Mode | Use it when | Connection behavior |
|---|---|---|
standalone |
Your page needs the widget’s swap flow and does not already manage a TON Connect instance. | The widget initializes TON Connect using the manifest URL. |
integrated |
Your app already has an initialized TON Connect SDK instance and the widget should share its connection, wallet choice, or account. | Pass the existing instance with tonconnect: { type: "integrated", instance: tonconnect }. |
The Omniston guide warns that TON Connect permits only one SDK instance per application and that creating multiple instances can crash the app. If your application already initializes TON Connect, reuse that instance in integrated mode instead of adding a standalone instance for the widget.
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- Proven security at scale: Over 9 years and millions of cards issued with no known remote hacks, while military‑grade EAL6+ security keeps your private keys locked inside the chip. Your cryptocurrencies stay strongly protected from online attackers.
- Tap once to manage your entire crypto wallet across 90 blockchains - no USB cables or Bluetooth, no batteries, no setup. Access 14,100+ coins & tokens, DeFi, NFTs, and staking instantly from your phone
- Smart backup: Use your second Tangem Wallet as your Backup keys with end‑to‑end encryption; no more papers, pictures. If one card is lost, the remaining can still restore full access, with an optional seed phrase available for advanced users.
- Engineered to last up to 25 years: Waterproof (IP69K), shockproof and tested for extreme temperatures from −25°C to 50°C. A durable cold wallet with long‑term protection and independently audited security.
- Trusted by 6 million users worldwide (4.9 App Store, 4.8 Google Play) - buy, sell, swap, stake, and spend cryptocurrency directly. The secure offline storage wallet designed for how people actually use crypto wallets
Optional settings after the basic flow works
Preselect or limit assets
defaultBidAsset and defaultAskAsset can preselect assets. The defaultAssets setting controls whether the built-in asset list is shown. If you set it to false, provide a non-empty customAssets list or the selector will have no tradable assets.
Set a referral fee
The widget supports optional referral-fee configuration using both a receiving referrerAddress and referrerFeeBps. The documented range is 1–100 basis points (0.01%–1%). This is a widget setting; it does not establish a separate affiliate program.
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- EAL5+ CERTIFIED SECURE ELEMENT + FINGERPRINT PROTECTION — Your private keys stay encrypted offline on a certified EAL5+ chip, the same security tier used in EMV bank cards. Built by DCENT, securing crypto since 2018. Fingerprint authentication adds a second layer no PIN-only wallet can match.
- 10,000+ ASSETS NATIVE ON 100+ BLOCKCHAINS — Hold Bitcoin, Ethereum, XRP, Solana, Cardano, popular stablecoins (USDT, USDC), and NFTs in one wallet. No third-party apps, no fragmented setup — every supported asset works straight out of the box.
- TAP-TO-SIGN MOBILE EXPERIENCE — Pair your wallet with the DCENT mobile app over Bluetooth. Manage tokens, review transactions, and access in-app swap features directly from your phone — no cables, no desktop required.
- WEB3 & dAPP ACCESS VIA METAMASK — Connect to MetaMask and other browser extension wallets to manage NFTs, claim airdrops, and access dApps. A large screen and intuitive 4-button interface keep every transaction clearly visible before you sign.
- SEAMLESS FIRMWARE UPDATES & 30-DAY MONEY-BACK GUARANTEE — Apply security updates without resetting your wallet or migrating funds. Backed by Amazon's 30-day money-back guarantee — your purchase is risk-free.
Style and clean up the widget
Override CSS custom properties on the widget container to adjust its styling. For pages that dynamically open or close the widget, use its lifecycle events for mount, unmount, and error handling, and call unmount() when removing it.
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STON.fi documents CDN paths such as /v0/ and /v1/ as major-versioned: non-breaking updates stay within a major version, while integrators should change the path when adopting breaking changes. The project repository describes CDN distribution as intentional so integrators receive fixes and updates while major paths preserve compatibility. Check the current official guide and the major path your application deploys before upgrading, since bundle and configuration details can change.
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