OpenAPI Spec (.json)
Free Developer Tier

Baznek Developer Public API

Integrate platform fee breakdown, FX spread calculations, optimal payout routing, and tax set-asides directly into your apps and tools.

Generate Instant Developer API Key

Free tier provides 50 requests per 24-hour window. No credit card required. Works with API Key header or client IP identification.

Endpoints Reference

GET /api/v1/rates

Fetch live and cached fee rates for supported freelance platforms (Upwork, Fiverr, Wise, Payoneer, Stripe, PayPal, Deel, etc.) and FX rates.

curl -X GET "https://www.baznek.com/api/v1/rates" \
  -H "X-API-Key: YOUR_API_KEY"

POST /api/v1/calculate

Calculate gross-to-net payout breakdown, platform cut, FX spread loss, fixed fees, and savings alternatives.

curl -X POST "https://www.baznek.com/api/v1/calculate" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{
    "amount": 1000,
    "platform": "upwork",
    "payoutMethod": "payoneer",
    "sourceCurrency": "USD",
    "targetCurrency": "EUR"
  }'

POST /api/v1/tax-estimate

Estimate self-employment tax withholding and income tax reserves based on freelancer destination country.

curl -X POST "https://www.baznek.com/api/v1/tax-estimate" \
  -H "Content-Type: application/json" \
  -d '{
    "grossAmount": 5000,
    "destinationCountry": "US",
    "clientLocation": "US"
  }'

GET /api/v1/limits

Query current API key request quota, remaining daily allowance, and window reset timestamp.

curl -X GET "https://www.baznek.com/api/v1/limits" \
  -H "Authorization: Bearer YOUR_API_KEY"