POST/v1/email/phone-finder

Phone Finder API

Find a phone number from an email, domain or LinkedIn URL (one required).

Find a contact's phone number from an email address, company domain, or LinkedIn profile URL — supply at least one. The response returns the number in E.164, international, and local formats, plus country code, line type, carrier, and timezone for immediate use in dialers and CRMs.

Full Docs Get API Key — Free $5 Credit $0.05 / call

Try it live

Fill in the fields and hit Run to see a real response.

POST/v1/email/phone-finderphone-finder$0.05/call

Response

Example response — hit "Send Request" to see a live result

{
  "data": {
    "carrier": null,
    "countryCode": "US",
    "domain": "stripe.com",
    "e164Format": "+13015882564",
    "email": "[email protected]",
    "intlFormat": "+1 301-588-2564",
    "lineType": "FIXED_LINE_OR_MOBILE",
    "localFormat": "(301) 588-2564",
    "timezones": [
      "America/New_York"
    ],
    "valid": true
  },
  "ok": true
}

Features

✓

Phone from email, domain, or LinkedIn

Provide any one of email, domain, or linkedin and the finder resolves the associated phone number, so it fits whatever identifier you already hold.

✓

Multiple number formats

Returns E.164, international, and local formats together, ready for dialers, CRMs, and SMS platforms without extra parsing.

✓

Line type and carrier data

Each result includes lineType, countryCode, carrier, and timezones, so you can route calls appropriately and respect local calling hours.

✓

Validity flag

A valid boolean confirms the number is well-formed and dialable before you add it to an outreach sequence.

Use cases

Multichannel Outreach

Add a verified phone number to email-first prospects for calls and SMS follow-up.

Sales Dialer Enrichment

Populate a dialer with formatted, timezone-aware numbers sourced from emails or LinkedIn URLs.

Lead Completion

Fill the phone field on high-value leads that came in with only an email or company.

Quick start

Copy this snippet and start making calls.

const res = await fetch('https://api.yepapi.com/v1/email/phone-finder', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "email": "[email protected]",
    "domain": "stripe.com",
    "linkedin": "https://www.linkedin.com/in/myalowitz"
  }),
});
const data = await res.json();
console.log(data);

The phone finder API — a number from an email, domain, or LinkedIn

The Phone Finder API resolves a contact's phone number from an email, company domain, or LinkedIn URL — supply any one — and returns it in E.164, international, and local formats with line type, carrier, country, and timezone. It's the missing channel for email-first prospects.

At $0.05 per call with $5 of free credit and no minimums, it's a pay-per-lookup alternative to Apollo and Clearbit mobile credits. The same key finds emails, verifies, and enriches, so one identifier becomes a complete, dialable contact record.

Start making API calls in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

Get API Key — Free $5 Credit

What developers say

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SEO Platform Founder

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“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Jake R.
Indie Hacker

Frequently asked questions

Each API call costs $0.05. No monthly minimums or subscriptions — you only pay for what you use.

Sign up for a free API key, then send a POST request to /v1/email/phone-finder. Check the code example above for a ready-to-use snippet in JavaScript, cURL, or Python.

YepAPI bundles SEO, AI, and web scraping APIs under one key with no monthly minimums. You get lower per-call pricing, a unified dashboard, and one billing account instead of managing multiple providers.