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Testing Component Web Services

Before proceeding with the testing, ensure that:

  • Login: Ensure you're logged into a Formbird domain, such as This URL is just an example; the procedure applies to any Formbird domain.
  • Correct Tab: You must run the test in a browser tab that has the Formbird domain open.


  1. Open Browser's Console: Access the console via Ctrl+Shift+I (Windows/Linux) or Cmd+Opt+I (Mac), then navigate to the "Console" tab.
  2. Execute the Code: Copy and paste the following JavaScript snippet into the console and press Enter:
const res = await fetch("", {
    method: "POST",
    headers: {'Content-Type': 'application/json'},
    body: JSON.stringify({
        componentDocumentName: "ws-test-service",
        functionName: "getGreeting"

if (res.status === 200) {
    const data = await res.json();
} else {
    const errorText = await res.text(); // Get the error message as text
    console.log(`Error ${res.status}: ${errorText}`);

After executing the code snippet in your browser's console, you should see a JSON object {"greeting": "hello world"} outputted in the console. This indicates that the web service has been successfully called and executed.