Actions148
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Other → Verify number exists
AI-generatedOverview
This node integrates with the WaliChat WhatsApp API to perform various operations related to WhatsApp messaging and management. Specifically, for the "Other" resource with the "Verify number exists" operation, it allows users to check if a given phone number is registered on WhatsApp. This can be useful in scenarios such as validating contacts before sending messages, cleaning contact lists, or verifying user registration status.
Practical examples:
- Before sending a marketing message, verify that the recipient's phone number is active on WhatsApp.
- Validate user input in a form by checking if the entered phone number exists on WhatsApp.
- Automate contact list maintenance by filtering out numbers not registered on WhatsApp.
Properties
| Name | Meaning |
|---|---|
| Phone Number | The phone number to verify, provided in international E.164 format (e.g., +1234567890). |
Output
The node outputs JSON data indicating the verification result of the phone number. The output typically includes whether the phone number exists on WhatsApp or not. The exact structure depends on the API response but generally contains fields confirming the existence status.
No binary data output is involved in this operation.
Dependencies
- Requires an API key credential for authenticating with the WaliChat WhatsApp API.
- The node depends on the WaliChat service being accessible and properly configured within n8n.
- Network connectivity to the WaliChat API endpoint is necessary.
Troubleshooting
- Invalid phone number format: If the phone number does not match the E.164 format (e.g., missing "+" or country code), the node will reject the input. Ensure the phone number follows the pattern
+followed by country code and subscriber number. - API authentication errors: If the API key is missing, invalid, or expired, the node will fail to authenticate. Verify that the API key credential is correctly set up in n8n.
- Network issues: Connectivity problems to the WaliChat API may cause timeouts or failures. Check network settings and firewall rules.
- Number not found: If the phone number is not registered on WhatsApp, the output will indicate non-existence. This is expected behavior, not an error.
- Continue on Fail: If enabled, the node will continue processing other items even if one fails, returning error details in the output JSON.
Links and References
- WaliChat Official Website (for API documentation and support)
- E.164 Phone Number Formatting (for understanding phone number format requirements)