A company's email address patterns by domain

thecompaniesapi.companies.email_pattern

Find which email-address formats a company uses, and how common each one is

Price: $0.0019/successAt provider cost
Success rate: 100%Last 30 days · 53,304 calls
Latency p50: 255 msp95 336 ms
Last verified: —Not verified yet

GEThttps://toolswitch.dev/v1/tools/thecompaniesapi.companies.email_patternPreview

Uses platform quota
Synchronous response
Reads public data

Parameters

returns the patterns (first.last@, flast@, first@) with a usage percentage each. It gives you the SHAPE, not a specific person's address — pair it with a verifier such as hunter.people.email.verify or leadmagic.people.email.verify to confirm a constructed address. This provider has NO email-verification endpoint of its own

Parameter	Type	Required	Description	Example
Path parameters
`domain`	string	Required	company domain	`apple.com`
Query parameters
`precision`	number	Optional	confidence floor for which patterns are returned
`emailsCount`	boolean	Optional	include how many addresses back each pattern

Path parameters
domainstringRequired
company domain
Example: apple.com
Query parameters
precisionnumberOptional
confidence floor for which patterns are returned
emailsCountbooleanOptional
include how many addresses back each pattern

Code samples

Replace $TOOLSWITCH_KEY with the key you created in the console.

Preview

curl -X GET 'https://toolswitch.dev/v1/tools/thecompaniesapi.companies.email_pattern' \
  -H "X-Toolswitch-Key: $TOOLSWITCH_KEY"

import os
import requests

response = requests.request(
    "GET",
    "https://toolswitch.dev/v1/tools/thecompaniesapi.companies.email_pattern",
    headers={"X-Toolswitch-Key": os.environ["TOOLSWITCH_KEY"]},
)
response.raise_for_status()
print(response.text)

const response = await fetch("https://toolswitch.dev/v1/tools/thecompaniesapi.companies.email_pattern", {
  method: "GET",
  headers: {
    "X-Toolswitch-Key": process.env.TOOLSWITCH_KEY ?? "",
  },
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
console.log(await response.text());

This gateway API is in preview; its URL and authentication may change. The example parameters are sample data. Calls are billed at $0.0019/success, including the service fee.