200 Success: API Request Accepted 401 Error:Invalid Method 402 Error: Unauthorized/Empty Key 403 Error: Unauthorized/Invalid Key 404 Error: Account Sending Blocked 405 Error: Your Juvlon account is expired 406 Error: Email Subject not provided 407 Error: Invalid Email Address for reply-to 408 Error: HTML content not provided 409 Error: Sender Email not Provided 410 Error: Invalid Email Address for Sender 411 Error: No recipient email address provided 412 Error: Invalid recipient email address 413 Error: Blacklisted domain in the HTML 414 Error: Sender Domain Blacklisted 415 Error: Reply-to domain blacklisted ? 416 Error: Recipient Email Domain blacklist 417 Bounced 418 Delivered 420 Error: Sender email does not exist in your Juvlon account 442 Error:Subscriber Already Exist 443 Error:INACTIVE Subscriber 444 Low Subscriber credit 445 Low Email credit 448 Your Juvlon account is Deactivated 451 Opened 452 Clicked 453 Error: Too many requests per API call 454 Error: API call exceeds the allowed size limitation (32 MB) 475 Error: Json is not valid 476 Error: Subject not valid 477 Error: From Name not valid