Payment APIs

Card Validation

Popular

Validate credit card numbers using Luhn algorithm. Identify card type and issuer.

POST /api/v1/payment/validate-card
{ "card_number": "4111111111111111" }

// Response
{ "valid": true,
  "card_type": "visa",
  "issuer": "Chase",
  "country": "US" }

Luhn Check Card Type Issuer

BIN Lookup

Get detailed information from card BIN/IIN numbers. Issuing bank, card type, and level.

GET /api/v1/payment/bin/411111

// Response
{ "bin": "411111",
  "brand": "Visa",
  "type": "credit",
  "level": "platinum",
  "bank": "Chase Bank",
  "country": "US" }

Bank Info Card Level Country

Sales Tax Calculation

Calculate sales tax for US addresses. State, county, city, and special district taxes.

POST /api/v1/payment/tax
{ "amount": 100.00,
  "zip": "90210",
  "state": "CA" }

// Response
{ "tax_rate": 0.0975,
  "tax_amount": 9.75,
  "total": 109.75,
  "breakdown": {...} }

State Tax Local Tax Nexus

Currency Conversion

Real-time currency exchange rates. Convert between 150+ currencies.

GET /api/v1/payment/convert
?from=USD&to=EUR&amount=100

// Response
{ "from": "USD",
  "to": "EUR",
  "amount": 100,
  "converted": 92.15,
  "rate": 0.9215 }

150+ Currencies Real-Time Historical

Bank Account Verification

Verify bank account and routing numbers. Validate before ACH transfers.

POST /api/v1/payment/verify-bank
{ "routing": "021000021",
  "account": "1234567890" }

// Response
{ "valid": true,
  "bank_name": "Chase Bank",
  "account_type": "checking",
  "ach_eligible": true }

Routing Number Account Type ACH Ready

VAT Validation

Validate EU VAT numbers. Get company name and address for invoicing.

GET /api/v1/payment/vat/DE123456789

// Response
{ "valid": true,
  "country": "DE",
  "company_name": "Acme GmbH",
  "address": "Berlin, Germany",
  "vat_rate": 0.19 }