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Sandbox Mode

Sandbox Environment

Test your integration safely with mock data. The sandbox environment mimics production behavior but processes no real data and charges no cards.

Configuration

Use this key for all requests to the sandbox environment.

Limitations

  • Data resets automatically every 24 hours at 00:00 UTC.
  • Rate limited to 100 requests per minute (same as production).
  • Webhooks are logged but not delivered to external endpoints.

Test Data & Scenarios

Sample W-2 Input

Employer NameTest Corporation
EIN12-3456789
EmployeeTest User
Wages$75,000.00
Federal Tax$12,500.00
Response Preview200 OK
{
  "id": "doc_test_123",
  "status": "completed",
  "document_type": "w2",
  "ai_confidence": 0.98,
  "extracted_data": {
    "employer_name": "Test Corporation",
    "wages": 75000.00,
    "federal_tax_withheld": 12500.00,
    "tax_year": 2024
  }
}
Quick Test
$ curl https://sandbox.api.taxu.io/v1/tax/calculate \
  -H "Authorization: Bearer sk_test_1234567890abcdef" \
  -H "Content-Type: application/json" \
  -d '{
    "income": 75000,
    "federal_withheld": 12500
  }'