API Errors
Understanding WebScrapingAPI's HTTP response codes helps you identify the root cause of the errors you may encounter.
Below is a list of all the HTTP error codes you may encounter using the WebScrapingAPI:
Code
Description
400
Bad Request – Your request is invalid or has invalid parameters. This error code along the error message is also sent when the url could not be properly scraped.
401
Unauthorized – Your API key is wrong or invalid or your credit quota is exceeded.
403
Forbidden – You do not have sufficient rights to a resource such as JavaScript rendering or country specific geolocation. Please upgrade your subscription plan accordingly.
406
Not Acceptable – You requested a format that is not supported.
422
Unprocessable Entity - Your request was correct but the API failed to fulfill it. You can receive this code in one of the following situations:
  • the target website returned a CAPTCHA challenge under status 200 OK
  • the target website returned a CAPTCHA challenge after a request with render_js disabled
  • the response HTML does not contain a valid <body> tag
  • the target website is an Instagram profile and the response is the Instagram login page
  • you used the wait_for_css parameter and the selector does not exist/appear on the website
429
Too Many Requests – You’re making too many requests in short succession or too many parallel requests. This error code is also thrown by Google when the API is detected.
500
Internal Server Error – We had a problem with our server. Please try again later!
503
Service Unavailable – We’re temporarily offline for maintenance. Please try again later!
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