Alchemy Pay

Overview

Alchemy Pay is a fiat payment gateway that enables users to buy and sell cryptocurrency using a wide range of payment methods, including bank cards, bank transfers, mobile wallets, and local payment solutions.

Within Koinbay, Alchemy Pay can be used through the Buy & Sell with Card area, offering users an additional way to access crypto using fiat payment methods that vary depending on their country, currency, and verification status.

Alchemy Pay supports a broad international footprint, with coverage across more than 170 countries and a large number of payment channels. The exact methods and corridors available to each user depend on location, fiat currency, payment route, and compliance requirements.

Main Features

Alchemy Pay supports:

• Fiat-to-crypto purchases

• Crypto-to-fiat off-ramp flows

• Card payments

• Bank transfers

• Mobile wallets

• Local payment rails

• Region-based routing and payment method display

Payment Methods

Alchemy Pay supports a combination of global and regional payment methods.

Global card networks

Category	Supported Methods
Bank Cards	Visa, Mastercard, JCB, UnionPay

Bank transfer methods

Category	Supported Methods
Domestic Transfers	Local bank transfers
Cross-border Transfers	International bank transfers
Instant Banking	Real-time or fast transfer methods where supported

Local and regional payment methods

Country / Region	Supported Methods
Indonesia	OVO, Dana, Virtual Accounts
Vietnam	Bank Transfer, Wire Transfer, MOMO, ZTpay
Thailand	QR Code payments
Brazil	PIX
Mexico	SPEI
UAE	Local banking rails

Additional infrastructure

Type	Description
Mobile Wallets	Available in selected countries
QR Payments	Available in selected countries
Domestic Rails	Country-specific local transfer systems

Important note

Payment methods are not static. What a user sees depends on:

• country

• fiat currency

• selected crypto asset

• regulatory and compliance conditions

Geographic Coverage

Alchemy Pay provides broad international coverage.

Coverage summary

Metric	Details
Countries Supported	170+
Payment Channels	300+
Main Regions	Europe, Americas, Asia, Middle East, selected emerging markets

How availability is determined

The methods displayed to a user are based on:

• the country they are accessing from

• the fiat currency they select

• the crypto asset they want to buy or sell

• compliance rules for the specific market

On-Ramp

The on-ramp flow allows users to purchase crypto using fiat.

On-ramp capabilities

Feature	Description
Fiat to Crypto	Supported
Cards	Supported
Bank Transfers	Supported
Local Payment Methods	Supported where available
Dynamic Routing	Yes

On-ramp logic

Alchemy Pay dynamically determines which payment methods are available for each user based on:

• country

• fiat currency

• payment corridor

This means that two users in different countries may see completely different payment options even when purchasing the same crypto asset.

Off-Ramp

The off-ramp flow allows users to convert crypto into fiat.

Off-Ramp capabilities

Feature	Description
Crypto to fiat	Supported
Local Currency Settlement	Supported in eligible corridors
Bank Account Payouts	Supported in eligible markets
Regional Payout Methods	Supported depending on country

Off-Ramp note

Availability of off-ramp services depends on:

• jurisdiction

• local payment rails

• asset support

• compliance status

Fiat Rails

Alchemy Pay uses multiple fiat rails depending on region and method.

Fiat rails supported

Rail Type	Description
Card Rails	Visa, Mastercard, JCB, UnionPay
Bank Rails	Local and international bank transfers
Instant Payment Rails	Available in selected markets
Wallet Rails	Mobile wallet integrations
Domestic Payment Rails	Country-specific local settlement systems

These rails determine how funds move between the user and the payment provider.

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Supported Fiat Currencies

Alchemy Pay supports a wide range of fiat currencies. The exact list available to each user depends on the country and corridor.

Common supported fiat currencies

Fiat Currencies
USD, EUR, GBP, AED, AUD, CAD, BRL, MXN, JPY, KRW, IDR, VND, THB, PLN, SEK, CHF, DKK, NOK, RON, BGN, MYR, NZD, KZT, MDL, TWD, HRK, MKD

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Supported Crypto Assets and Chains

Alchemy Pay supports a range of crypto assets and multi-chain stablecoin routes.

Commonly supported crypto assets

Assets
BTC, ETH, BNB, SOL, TON, DOGE

Stablecoin and chain coverage

Asset	Supported Networks
USDT	TRON, Ethereum, BNB Smart Chain, Solana, TON, Polygon, Arbitrum
USDC	Ethereum, BNB Smart Chain, TRON, Solana, Polygon, Arbitrum

Supported blockchain environments

Networks
Ethereum
BNB Smart Chain
TRON
Solana
TON
Polygon
Arbitrum

Important note

Crypto and chain availability is dynamic and may depend on:

• local compliance

• fiat corridor

• asset support status

• current payment route configuration

Transaction Limits

Transaction limits depend on:

• payment method

• country

• fiat currency

• crypto asset

Important note

Transaction thresholds are not universal. They are determined dynamically by the route and user profile.

Sanction, High-Risk, and Restricted Jurisdictions

Alchemy Pay applies restrictions to certain jurisdictions.

High-risk jurisdictions

High-Risk Jurisdictions
Afghanistan, Algeria, Angola, Bolivia, Cameroon, Côte d’Ivoire, Kenya, Laos, Lebanon, Monaco, Namibia, Nepal, Vietnam, Bulgaria, United Arab Emirates, Kuwait

Prohibited jurisdictions

Prohibited Jurisdictions

American Samoa, Belarus, Burundi, Central African Republic, North Korea, Fiji, Guam, Guatemala, Guinea, Guinea-Bissau, Iran, Iraq, Libya, Myanmar, Nicaragua, Palau, Panama, Russia, Samoa, Somalia, South Sudan, Sudan, Syria, Trinidad and Tobago, certain regions of Ukraine, Vanuatu, Venezuela, Zimbabwe, United States Virgin Islands, Democratic Republic of Congo, Haiti, Anguilla, Yemen, Turks and Caicos Islands

Compliance note

Merchants or users associated with prohibited or high-risk jurisdictions may face onboarding denial, payment restrictions, or reduced service availability.

Unsupported Card BIN Countries

Certain card BIN jurisdictions are not supported.

Unsupported card BIN list

Afghanistan	Bangladesh	Burundi	China
Cuba	Eritrea	Iraq	Iran
North Korea	Libya	Morocco	Myanmar
Sudan	Somalia	South Sudan	Syria
Venezuela	Yemen	Zimbabwe

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How to Use Alchemy Pay on Koinbay

Steps

1. Go to Buy & Sell with Card

2. Select Alchemy Pay

3. Choose the fiat currency you want to use

4. Select the crypto asset you want to buy

5. Review the payment methods available for your region

6. Confirm the payment and follow the checkout flow

Notes for Koinbay Users

• Payment options depend on the user’s location

• Fiat and crypto availability are dynamic

• The final availability shown during checkout is the authoritative one

• Users should always confirm the selected network and payment method before completing a transaction

Support

When to contact Alchemy Pay

Contact Alchemy Pay for:

• Alchemy Pay payment failures

• Alchemy Pay payment method availability issues

• Alchemy Pay bank transfer or payout questions

• Alchemy Pay checkout errors related to the provider

When to contact Koinbay

Contact Koinbay for:

• Navigation within the Koinbay platform

• Access to the Buy & Sell with Card section in the Koinbay platform

• Koinbay account-related platform issues

• General service guidance related to Koinbay platform