> ## Documentation Index > Fetch the complete documentation index at: https://docs.stable.xyz/llms.txt > Use this file to discover all available pages before exploring further. # Ramps > On/off ramp and payment gateway providers for converting between fiat currencies and USDT on Stable. On/off ramp partners connect Stable to global fiat systems, enabling users and businesses to move between USDT, local currencies, and payment rails. ## On/off ramp overview table | **Provider** | **Category** | **Docs / Get Started** | **Notes** | | :----------------------------------------------------------------------- | :------------- | :----------------------------------------------------------------------------------------------------------- | :------------------------------------------------------------------------------------------------------- | | [**Onmeta**](https://onmeta.in/on-off-ramp) | On/Off Ramp | [https://docs.onmeta.in/](https://docs.onmeta.in/) | Compliant fiat-to-USDT + cross-border payouts | | [**Halliday**](https://halliday.xyz/) | On/Off Ramp | [https://docs.halliday.xyz/pages/home](https://docs.halliday.xyz/pages/home) | CEX + Stripe integration | | [**Alchemy Pay**](https://alchemypay.org/about) | Gateway | [https://alchemypay.readme.io/docs/alchemypay-on-ramp](https://alchemypay.readme.io/docs/alchemypay-on-ramp) | 300+ payment methods | | [**DFX**](https://www.dfx.swiss/) | Off-Ramp FX | [https://docs.dfx.swiss/](https://docs.dfx.swiss/) | Regulated stablecoin-to-fiat | | [**Onramp Money**](https://onramp.money/) | On/Off Ramp | [https://docs.onramp.money/onramp/](https://docs.onramp.money/onramp/) | Emerging market coverage | | [**MoonPay**](https://www.moonpay.com/business/onramps) | Universal Ramp | [https://dev.moonpay.com/docs/on-ramp-overview](https://dev.moonpay.com/docs/on-ramp-overview) | Global card + bank support | | [**Transak**](https://transak.com/off-ramp) | On/Off Ramp | [https://docs.transak.com/](https://docs.transak.com/) | 450+ integrations | | [**Banxa**](https://banxa.com/solutions/by-use-case/on-and-off-ramping/) | Regulated Ramp | [https://docs.banxa.com/docs/overview](https://docs.banxa.com/docs/overview) | Local rails in 100+ countries | | [**Simplex by Nuvei**](https://www.simplex.com/) | On-Ramp | [https://buy.simplex.com](https://buy.simplex.com) | Card, Apple/Google Pay, SEPA, ACH across 245+ markets; powers downstream wallets including Atomic Wallet | ## Category guide * **On/Off Ramps:** Platforms enabling direct conversion between fiat currencies and USDT on Stable. * **Payment Gateways:** Services connecting apps, merchants, or fintechs to global fiat rails for seamless transactions. * **FX & Off-Ramp Networks:** Regulated infrastructure providing compliant, stablecoin-to-fiat settlement at scale. ## On/off ramps & payment gateways ### MoonPay Universal crypto on/off ramp used globally for instant asset purchases. **Capabilities** * Card + bank + local payment rails * Fast global onboarding * Multi-chain support **Get started**: Follow the [MoonPay on-ramp integration guide](https://dev.moonpay.com/docs/on-ramp-overview) to embed fiat-to-USDT purchasing on Stable into your app. ### Transak On/off ramp providing frictionless ways to buy, sell, and transfer crypto across 450+ apps. **Capabilities** * Global fiat methods * Easy integration APIs * Country-level compliance support **Get started**: Review the [Transak integration docs](https://docs.transak.com/) to add on/off ramp widgets or APIs with Stable as a supported network. ### Onmeta On/off ramp and cross-border payout infrastructure with built-in compliance for VDA platforms. **Capabilities** * Fiat ↔ USDT conversion * Compliance-ready flows * Cross-border payouts * Local settlement rails **Get started**: Refer to the [Onmeta API documentation](https://docs.onmeta.in/) to integrate fiat-to-USDT conversion and cross-border payouts on Stable. ### Halliday End-to-end payment suite enabling seamless on/off ramping from top CEXs and payment platforms like Coinbase and Stripe. **Capabilities** * Direct connection to major CEXs * Stripe + payment rail integration * Merchant and app-friendly flows **Get started**: Read the [Halliday integration docs](https://docs.halliday.xyz/pages/home) to connect CEX and Stripe-based payment flows to Stable in your product. ### Alchemy Pay Global payment gateway bridging traditional finance and crypto with 300+ payment methods. **Capabilities** * Global fiat on/off ramps * Merchant payments * Bank transfers + cards + local rails **Get started**: Use the [Alchemy Pay on-ramp API](https://alchemypay.readme.io/docs/alchemypay-on-ramp) to add 300+ payment methods for USDT purchases on Stable. ### DFX Swiss-regulated decentralized FX and off-ramp network with over 100M transactions. **Capabilities** * Stablecoin-to-fiat conversion * Regulated FX layer * Deep multi-currency support **Get started**: Consult the [DFX API documentation](https://docs.dfx.swiss/) to set up compliant stablecoin-to-fiat off-ramp flows using Stable as the source network. ### Onramp Money Low-cost fiat-to-crypto gateway specializing in emerging markets. **Capabilities** * Local payment method coverage * Instant settlement * 1.3M+ supported users **Get started**: Follow the [Onramp Money developer guide](https://docs.onramp.money/onramp/) to integrate fiat-to-crypto flows for emerging market users on Stable. ### Banxa Regulated on/off ramp infrastructure connecting users to crypto via local rails in 100+ countries. **Capabilities** * Regulated fiat gateways * Broad global coverage * Bank and local payment options **Get started**: Read the [Banxa integration overview](https://docs.banxa.com/docs/overview) to enable regulated on/off ramp flows with Stable as a supported network. ### Simplex by Nuvei Fiat-to-crypto on-ramp from Nuvei, supporting card, bank, and local payment methods across 245+ markets. Buying USDT on Stable through Simplex is also available inside any wallet or app that integrates the Simplex widget, including [Atomic Wallet](/en/reference/wallets#atomic-wallet). **Capabilities** * USDT on Stable purchases via Visa, Mastercard, Apple Pay, Google Pay, SEPA, and ACH * Global coverage across 245+ markets * White-label widget used by downstream wallets and apps (e.g., Atomic Wallet) **Get started**: Go to [https://buy.simplex.com](https://buy.simplex.com) to buy USDT on Stable directly, or integrate the [Simplex widget](https://www.simplex.com/) to offer on-ramp purchases inside your own app. *** Have an on/off ramp integrating Stable? Reach out at [bizdev@stable.xyz](mailto:bizdev@stable.xyz).