Tools / developer

Phone Validator

live

Validate and format phone numbers (E.164). No carrier lookup.

0 credits

About this tool

Validate and format phone numbers (E.164). No carrier lookup. Runs in your browser against FatBaby's platform (free / zero-credit for this operation).

How to use Phone Validator

  1. Open the Phone Validator tool and fill in the fields.
  2. Click Process to run the operation with your FatBaby credits.
  3. Copy or download the result from the page.
  4. To automate the same workflow, call the matching REST endpoint with your API key.

Need to automate this?

Use the same workflow programmatically via POST /v1/verify/phone.

Get API keyDeveloper & web APIsDocumentation

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FAQ

How many credits does this use?

About 0 credits per run (same rate as the public API).

Does this check if the number is in service?

No — format and validity only.