SureCheck Demo API for Phone & Email Validation in n8n

Validate phone numbers and email addresses in n8n—using SureCheck demo endpoints (no API key required)

This n8n workflow lets you run a quick manual validation of a phone number and an email address via SureCheck demo API endpoints, returning basic phone numbering-plan information and email syntax/DNS checks—without live carrier or mailbox verification.

What this workflow does

• Starts manually (run-to-test) using an n8n Manual Trigger.
• Sets sample input values for a phone number and an email address.
• Calls SureCheck demo phone endpoint with your test phone number and returns numbering-plan metadata (explicitly no live carrier lookup).
• Calls SureCheck demo email endpoint with your test email address and returns email syntax validation and DNS validation results (explicitly no mailbox check).
• Outputs results from both requests so you can review validation outcomes immediately.

Use cases

• Test and prototype data-quality rules for user sign-up forms in n8n.
• Verify that automation logic correctly handles invalid phone formats and malformed emails.
• Sanity-check whether an email domain passes DNS-related validation before follow-up actions (e.g., onboarding steps).
• Evaluate workflow behavior and response structure during integration development using synthetic data.

Technical details

• Nodes used: Set, Sticky Note, HTTP Request, Manual Trigger.
• Integration: SureCheck demo phone and email endpoints (no API key for the demo flow).
• Rate limits: keep requests within SureCheck demo limits (shared 10/min and 5/min per peer).
• Optional beta setup: if you request a SureCheck beta key, switch URLs to /api/v1/phone and /api/v1/email and add a Bearer Authorization header to both HTTP requests.

Replace the sample phone number and email address with your own test values, run the workflow manually, and review the SureCheck validation results.