Sandbox API Key
Use this key for development and testing:
sandbox-with-json-responses
Usage
import requests
response = requests.post(
"https://api.casparser.in/v4/smart/parse",
headers={"x-api-key": "sandbox-with-json-responses"},
files={"file": open("any-pdf.pdf", "rb")},
data={"password": "test"}
)
# Returns sample portfolio data
print(response.json())
Sample Response
The sandbox returns realistic sample data:
{
"status": "success",
"cas_type": "cdsl",
"investor": {
"name": "John Doe",
"email": "john.doe@example.com",
"pan": "ABCDE1234F",
"mobile": "9876543210"
},
"summary": {
"total_value": 2547832.50,
"as_on_date": "2024-01-15",
"accounts": {
"demat_accounts": 2,
"mutual_fund_folios": 5,
"insurance_policies": 1,
"nps_accounts": 1
}
},
"demat_accounts": [
{
"dp_id": "12345678",
"dp_name": "HDFC Bank Limited",
"client_id": "1234567890123456",
"total_value": 1500000.00,
"equities": [
{
"isin": "INE002A01018",
"name": "Reliance Industries Ltd",
"units": 100,
"value": 250000.00
}
]
}
]
}
What sandbox covers
| Endpoint | Sandbox Behavior |
|---|
/v4/smart/parse | Returns sample CDSL data |
/v4/cdsl/parse | Returns sample CDSL data |
/v4/nsdl/parse | Returns sample NSDL data |
/v4/cams_kfintech/parse | Returns sample MF data |
/v4/kfintech/generate | Returns success (no email sent) |
/v4/cdsl/fetch | Returns mock session_id |
/v4/inbox/* | Returns mock OAuth flow |
/v1/credits | Returns unlimited credits |
/v1/token | Returns working access token |
Moving to Production
- Get an API key at app.casparser.in/developers
- Replace
sandbox-with-json-responses with your real API key
- Test with a real CAS PDF to verify integration
The sandbox PDF password validation is disabled. In production, you must provide the correct password for each CAS type.
Rate Limits
| Environment | Rate Limit |
|---|
| Sandbox | 10 requests/minute |
| Production | Based on your plan |
Next steps
