API Error Codes

If your query fails, the API returns a 4-digit error code and a plain text "info" attribute with suggestions for the user.

Example Error Response:

{
    "success": false,
    "error_code": 1002,
    "error_message": "Package limit exceeded!"
}

Common API Errors:

Code	Error
1001	Invalid access_key.
1002	Package limit exceeded.
1003	Invalid source currency code. List of currencies: Supported Currencies
1004	Invalid target currency code. List of currencies: Supported Currencies
1005	Invalid date format. Supported date format: YYYY-MM-DD
1006	Date must be less than today for historical data.
1007	Start date must be less than end date.
1008	Date range must be max 30 days!
1101	Upgrade your account to Basic Plan for use convert service.
1102	Upgrade your account to Pro Plan for use timeframe service.
1103	Upgrade your account to Business Plan for use change service.