When you are first testing the Wufoo Query API do a simple test and building a simple query. Then begin adding your own parameters. Below are common API errors you'll upon when using the Wufoo API.

Common API Errors

Error: 301 Moved Permanently
Solution: Make sure the URL to the Wufoo API is correct. Ensure you have a trailing slash on the URL to Wufoo.

Error: The supplied API key is incorrect.
Solution: Your API key does not match your account. Make the URL you are using has your subdomain and the API key matches the key inside your account.

Error: The supplied form URL was not found.
Solution: The name of your form doesn't exist. Visit the API Information page and make sure the value you have for 'w_form' matches the correct form name.