Banxa Fiat On-Ramp Integration | Buy Crypto with Credit Cards & Bank Transfers

Banxa Fiat-to-Crypto Integration Overview

Banxa is a leading fiat payment gateway specializing in cryptocurrency on-ramp services. Our platform integrates Banxa to enable users to purchase crypto with credit cards, bank transfers, and local payment methods - all with built-in KYC/AML compliance and instant delivery via crypto payment gateway.

This integration is essential for exchanges looking to provide seamless fiat on-ramp services without building complex payment infrastructure and compliance systems in-house. Works alongside Stripe for comprehensive payment coverage.

Comprehensive Payment Methods

Credit and Debit Cards

Global card network support:

Visa: Most widely accepted, available in 150+ countries
Mastercard: Broad acceptance, strong in Europe and Asia
American Express: Available in select regions (US, UK, Australia)
Discover: US market support

Card transactions deliver crypto instantly after 3D Secure verification and fraud checks.

Bank Transfers

Multiple bank transfer options based on region:

ACH (Automated Clearing House) - United States:

$100-$50,000 transaction limits
3-5 business day processing
Lower fees than card purchases (1-2% vs 3-5%)

SEPA (Single Euro Payments Area) - European Union:

€50-€50,000 transaction limits
1-2 business day processing
Euro-denominated transfers across 36 countries

FPS (Faster Payment Service) - United Kingdom:

£10-£10,000 instant transfers
Real-time processing (seconds to minutes)
GBP-denominated transactions

SWIFT - International:

$500+ minimum for international transfers
2-5 business day processing
Higher fees but global coverage

Mobile Wallets

Consumer-friendly payment options:

Apple Pay: iOS ecosystem, tap-to-pay convenience
Google Pay: Android devices, stored card credentials
Samsung Pay: Samsung devices with MST technology
PayPal: Select regions, links to bank accounts or cards

Regional Payment Methods

Localized payment options for key markets:

Europe:

iDEAL (Netherlands) - direct bank transfers, 60% market penetration
Giropay (Germany) - instant bank transfers
Sofort (multi-country) - real-time bank verification
Bancontact (Belgium)

Latin America:

PIX (Brazil) - instant payment system, 24/7 availability
Mercado Pago (Argentina, Brazil) - e-wallet with broad adoption

Asia:

UPI (India) - Unified Payments Interface, massive adoption
PayNow (Singapore) - instant bank transfers
PromptPay (Thailand) - mobile number-linked payments

Total: 50+ local payment methods across 100+ countries.

How Banxa Works

6-Step User Flow

The purchase experience is streamlined:

Quote Request: User enters amount (fiat or crypto), selects payment method
Price Lock: Banxa quotes exchange rate and locks price for 10 minutes
KYC Verification: First-time users verify identity (document + selfie, 5-10 min)
Payment Submission: User completes payment via chosen method
Payment Confirmation: Banxa receives payment and confirms transaction
Crypto Delivery: Crypto deposited to user’s exchange wallet address

Built-in KYC/AML Compliance

Banxa handles all regulatory requirements:

Identity verification on first purchase (reused for subsequent transactions)
AML screening against sanctions lists and PEP databases
Transaction monitoring for suspicious patterns
Regulatory reporting filed with appropriate authorities
License compliance across 50+ jurisdictions

This removes KYC burden from exchanges for fiat purchases.

Price Quotation Engine

Banxa provides real-time pricing:

Exchange rate (fiat to crypto conversion)
Payment method fee (cards higher than bank transfers)
Network fee (blockchain transaction cost)
Final amount user receives in crypto

Quotes refresh every 30 seconds, locks for 10 minutes after acceptance.

Rate Lock Mechanism

Once user accepts quote:

10-minute lock window to complete payment
Guaranteed rate even if market moves
Automatic cancellation if payment not submitted within window
New quote required if lock expires

Instant vs Standard Delivery

Delivery speed varies by payment method:

Instant Delivery (5-10 minutes):

Credit/debit card purchases
Mobile wallet payments
FPS and similar real-time bank transfers

Standard Delivery (1-5 business days):

ACH bank transfers (US)
SEPA bank transfers (EU)
International wire transfers

Users see estimated delivery time before confirming purchase.

Supported Assets

50+ Cryptocurrencies

Banxa supports major cryptocurrencies and popular altcoins:

Layer 1 Blockchains:

Bitcoin (BTC)
Ethereum (ETH)
Binance Smart Chain (BNB)
Solana (SOL)
Cardano (ADA)
Polkadot (DOT)
Avalanche (AVAX)

Stablecoins:

USDT (Tether)
USDC (USD Coin)
DAI (MakerDAO)
BUSD (Binance USD)

DeFi Tokens:

UNI (Uniswap)
AAVE (Aave Protocol)
LINK (Chainlink)
MATIC (Polygon)

Other Popular Tokens:

SHIB, DOGE, XRP, LTC, and 30+ more

Multiple Networks Per Asset

Many assets available across multiple blockchains:

USDT available on:

Ethereum (ERC-20)
Tron (TRC-20)
Binance Smart Chain (BEP-20)
Polygon
Solana (SPL)

USDC available on:

Ethereum (ERC-20)
Polygon
Solana
Avalanche

Users select preferred network based on fees and compatibility.

Stablecoin Options

Fiat-pegged cryptocurrencies for price stability:

USDT: Largest stablecoin by market cap ($90B+)
USDC: Regulated US stablecoin with full reserves
DAI: Decentralized algorithmic stablecoin

Stablecoins popular for users wanting to hold crypto without volatility exposure.

Min/Max Limits by Payment Method

Transaction limits vary:

Credit/Debit Cards:

Minimum: $50-100
Maximum: $2,000-5,000 daily (higher for verified users)

Bank Transfers:

Minimum: $100-500
Maximum: $10,000-50,000 daily

Mobile Wallets:

Similar to card limits ($50-5,000)

Limits increase with user verification level and transaction history.

Compliance & Security

Built-in KYC/AML Screening

Banxa’s compliance infrastructure:

Document verification (passport, driver’s license, national ID)
Selfie + liveness detection to prevent fraud
Address verification for high-value transactions
Ongoing monitoring of verified users
AML screening against OFAC, UN, EU watchlists

PCI-DSS Level 1 Certified

Banxa maintains highest payment security standards:

Level 1 certification (highest tier, for processors handling 6M+ card transactions annually)
Tokenization of card data (actual card numbers never stored)
Encryption of all sensitive data at rest and in transit
Regular audits by third-party security firms

3D Secure Card Verification

All card transactions require authentication:

3D Secure 2.0 (Visa Secure, Mastercard ID Check)
Biometric authentication where supported (fingerprint, Face ID)
One-time passwords sent to cardholder
Reduces chargebacks by verifying cardholder identity

Fraud Prevention

ML-powered fraud detection:

Device fingerprinting to detect fraud patterns
Velocity checks (unusual transaction frequency)
IP geolocation (mismatches between user location and payment origin)
Behavioral analysis (bot detection, automated purchase attempts)

Fraud rate typically < 0.5% with Banxa’s systems.

Regulatory Licenses

Banxa operates legally across 50+ jurisdictions:

FINTRAC (Canada) - Money Services Business registration
AUSTRAC (Australia) - Digital Currency Exchange registration
FCA (UK) - E-money license
FinCEN (US) - Money transmitter licenses in 25+ states
EU jurisdictions: Various national registrations

Integration Architecture

REST API Overview

Banxa provides RESTful API for integration:

Core Endpoints:

POST /orders - Create buy/sell order
GET /orders/{id} - Fetch order status
GET /prices - Get current exchange rates
GET /fiats - List supported fiat currencies
GET /coins - List supported cryptocurrencies
GET /payment-methods - Available payment methods by country

OAuth 2.0 Authentication

Secure API access:

API keys (public key + secret key)
HMAC signatures for request authentication
Nonce + timestamp to prevent replay attacks
IP whitelisting for additional security

Webhook Events

Real-time notifications for order lifecycle:

Order Status Webhooks:

order.pending - Order created, awaiting payment
order.paid - Payment received and confirmed
order.completed - Crypto delivered to user wallet
order.failed - Transaction failed (declined card, insufficient funds)
order.refunded - Refund processed to user

KYC Status Webhooks:

kyc.pending - Verification started
kyc.approved - User verified
kyc.rejected - Verification failed

Webhooks include full order details, user info, and status reasons.

Sandbox Environment

Test environment for integration development:

Test API endpoints (separate from production)
Mock payment processing (no real money involved)
Sample webhook events to test event handling
Test card numbers for simulating various scenarios

Rate Limits and Quotas

API usage restrictions:

Standard tier: 100 requests/minute
Premium tier: 500 requests/minute (for high-volume exchanges)
Burst allowance: 2x limit for short periods
Quota exceeded: 429 status code with retry-after header

Transaction Flow

Quote Creation API

Request pricing before purchase:

POST /orders
{
  "source": "USD",
  "target": "BTC",
  "source_amount": 1000,
  "payment_method": "CREDIT_CARD",
  "wallet_address": "bc1q..."
}

Response:
{
  "order_id": "abc123",
  "exchange_rate": 0.000023,
  "source_amount": 1000,
  "target_amount": 0.023,
  "fee": 35,
  "expiry": "2024-01-15T10:35:00Z"
}

Payment Processing

After quote acceptance:

Redirect to Banxa payment page (or use SDK for embedded experience)
User completes payment via chosen method
Banxa processes payment (card authorization, bank transfer initiation)
Webhook notification sent to exchange confirming payment
Exchange credits user balance or Banxa sends directly to wallet

Status Tracking

Poll order status or use webhooks:

GET /orders/{orderId}

Response:
{
  "order_id": "abc123",
  "status": "completed",
  "source_amount": 1000,
  "target_amount": 0.023,
  "tx_hash": "0xabc...",
  "created_at": "2024-01-15T10:30:00Z",
  "completed_at": "2024-01-15T10:45:00Z"
}

Statuses: pending, paid, processing, completed, failed, refunded.

Error Handling

Common error scenarios:

Payment declined: User’s card/bank rejects transaction (insufficient funds, fraud block)
KYC failed: User fails identity verification (poor document quality, sanctions match)
Network congestion: Blockchain delays crypto delivery (typically resolves in 10-30 min)
Order expiry: User doesn’t complete payment within 10-minute window

Errors include specific codes and user-friendly messages for display.

Refund Policies

When transactions fail:

Automatic refunds for failed transactions (5-10 business days)
Partial refunds if quoted crypto amount cannot be delivered
Refund fees: Typically returned minus payment processor fees (2-3%)
Refund destination: Original payment method (card, bank account)

Pricing Model

Banxa operates on a revenue-sharing model:

No upfront fees to integrate
No monthly minimums (some agreements may have minimums)
Percentage of revenue from transactions on your platform
Typical splits: 30-60% of Banxa’s margin goes to exchange

Example: User buys $1,000 BTC, Banxa earns $30 margin, exchange receives $15-18 revenue share.

Volume-Based Tiers

Higher volume = better revenue share:

Tier 1 (0-$1M monthly): 30% revenue share
Tier 2 ($1M-$5M monthly): 40% revenue share
Tier 3 ($5M-$20M monthly): 50% revenue share
Enterprise ($20M+ monthly): Custom negotiations (up to 60%)

Tiers incentivize promoting Banxa to users.

No Upfront Fees

Integration costs:

No integration fee: Free to integrate Banxa
No platform fee: No monthly/annual platform charges
No transaction fees to exchange: Costs passed to end users
Pure revenue share: Exchange only earns, never pays

Settlement Terms

Revenue share payouts:

Payment frequency: Weekly or monthly (based on agreement)
Payment method: Bank transfer or crypto
Minimum payout: $100-500 threshold
Reporting: Detailed transaction reports with revenue calculations

Admin Dashboard

Transaction Monitoring

Banxa provides merchant dashboard:

Order history with filters (date, status, payment method, amount)
Real-time order status for customer support inquiries
Revenue reports showing earnings by day/week/month
User KYC status for troubleshooting verification issues

Analytics and Insights

Business intelligence:

Conversion rates (quote → payment → completion)
Popular payment methods in your user base
Popular cryptocurrencies purchased
Geographic distribution of buyers
Average transaction size

Use insights to optimize user experience and marketing.

Customer Support Integration

Support tools:

Order lookup by order ID or user email
Transaction details for investigating user issues
Refund initiation for failed/disputed transactions
KYC review to assist users with verification problems

Webhook Configuration

Manage integration settings:

Webhook URL configuration (separate URLs for test/production)
Event subscriptions (choose which events to receive)
Webhook retry settings (automatic retries for failed deliveries)
Webhook logs (see all sent webhooks and responses)

Getting Started

Banxa integration typically takes 1-2 days:

Sign up at banxa.com for merchant account
Complete onboarding (business verification, compliance docs)
Receive API credentials (sandbox and production)
Integrate API or use pre-built SDKs (JavaScript, React, Vue)
Test in sandbox environment with mock transactions
Submit for review - Banxa reviews integration
Go live and start accepting fiat payments

Our platform includes a pre-built Banxa connector, reducing integration to configuration-only.

Contact us for Banxa integration support, explore other fiat integrations like Stripe, or learn about our complete crypto payment gateway capabilities.

Banxa Fiat-to-Crypto Payment Integration