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Common Error Codes

Error Code List

Error CodeDescription
0Success
215392Parameter error, see Message field for specific error information
215393Authentication failed
215394Signature verification failed
215395Timestamp expired
215396Parameter not found
215397Missing required parameter
215398Failed to parse Token
215399Invalid Token
215400Server error

Notes

  1. Authentication: Please keep your API keys secure. Do not hardcode them in your code. It is recommended to use environment variables or configuration files
  2. Request Rate: Please pay attention to the API rate limits and avoid frequent requests
  3. Parameter Validation: Before sending requests, ensure all required parameters are correctly filled and meet length and format requirements
  4. Error Handling: It is recommended to add comprehensive error handling logic in your code and handle accordingly based on RetCode
  5. HTTPS: All requests must use HTTPS protocol to ensure data transmission security
  6. Email Content:
    • When sending using templates, ensure template variable parameter format is correct: variableName{##}variableValue
    • When sending emails directly, the Content field supports HTML format
    • Email subject and content must comply with relevant laws and regulations
  7. Batch Sending:
    • SendEmail API supports up to 100 recipients
    • It is recommended to reasonably control the number of batch sends to avoid triggering anti-spam mechanisms
  8. Session Number: SessionNo will be returned after successful sending and can be used to query email sending status later

Contact Support

If you have any questions, please contact the technical support team.