- [Overview](https://widget.docs.mercuryo.io/guide/getting-started/overview/index.md)
- [Integration Methods](https://widget.docs.mercuryo.io/guide/integration/methods/index.md)
- [Signature Generation](https://widget.docs.mercuryo.io/guide/integration/security/index.md)
- [Sandbox & Testing](https://widget.docs.mercuryo.io/guide/getting-started/sandbox/index.md)
- [Quick Start](https://widget.docs.mercuryo.io/guide/getting-started/quick-start/index.md)
- [Widget Parameters](https://widget.docs.mercuryo.io/guide/integration/widget-parameters/index.md)
- [KYC & Compliance](https://widget.docs.mercuryo.io/guide/features/kyc/index.md)
- [Try Again](https://widget.docs.mercuryo.io/guide/features/try-again/index.md)
- [Off-Ramp (Sell)](https://widget.docs.mercuryo.io/guide/flows/off-ramp/index.md)
- [Off-Chain](https://widget.docs.mercuryo.io/guide/features/off-chain/index.md)
- [Transaction Statuses](https://widget.docs.mercuryo.io/guide/monitoring/transactions/index.md)
- [Mercuryo PRO](https://widget.docs.mercuryo.io/guide/more/mercuryo-pro/index.md)
- [Transaction Statuses](https://widget.docs.mercuryo.io/spend-card/transactions/index.md)
- [Callbacks & Webhooks](https://widget.docs.mercuryo.io/guide/monitoring/callbacks/index.md)
- [Customization](https://widget.docs.mercuryo.io/guide/features/customization/index.md)
- [Overview](https://widget.docs.mercuryo.io/spend-card/overview/index.md)
- [Recurring Payments](https://widget.docs.mercuryo.io/guide/features/recurring-payments/index.md)
- [Overview](https://widget.docs.mercuryo.io/api/overview/index.md)
- [Passkey](https://widget.docs.mercuryo.io/guide/features/passkey/index.md)
- [Event Callbacks](https://widget.docs.mercuryo.io/spend-card/callbacks/index.md)
- [On-Ramp (Buy)](https://widget.docs.mercuryo.io/guide/flows/on-ramp/index.md)
- [FAQ](https://widget.docs.mercuryo.io/guide/more/faq/index.md)
- [User Pre-Authorization](https://widget.docs.mercuryo.io/guide/features/authentication/index.md)