ZeroBounceCompany DataEnrichment

Find a company's email address patterns

zerobounce.companies.email_pattern

Detect the likely business-email formats used by a company domain, with confidence levels

Price: $0.276/successAt provider cost
Success rate: 100%Last 30 days · 8 calls
Latency p50: 2.8 sp95 3.8 s
Last verified: Sep 17, 2026Verified working

GEThttps://toolswitch.dev/v1/tools/zerobounce.companies.email_pattern?domain=openai.comPreview

Uses platform quota
Synchronous response
Reads public data

Parameters

Provide domain or company_name. This returns address formats such as first or first.last, not a specific person's email. A successful format result costs 20 credits; an undetermined result costs nothing.

Parameter	Type	Required	Description	Example
Query parameters
`domain`	string	Optional	company domain without protocol; provide this or company_name	`openai.com`
`company_name`	string	Optional	company name; use when its domain is unknown

Query parameters
domainstringOptional
company domain without protocol; provide this or company_name
Example: openai.com
company_namestringOptional
company name; use when its domain is unknown

Code samples

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

Preview

curl -X GET 'https://toolswitch.dev/v1/tools/zerobounce.companies.email_pattern?domain=openai.com' \
  -H "X-Toolswitch-Key: $TOOLSWITCH_KEY"

import os
import requests

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

const response = await fetch("https://toolswitch.dev/v1/tools/zerobounce.companies.email_pattern?domain=openai.com", {
  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 $0.276/success, including the service fee.