ContactOutPeople DataEnrichment

Verify email address — catch-all (accept-all) status

contactout.people.email.verify

Verify email deliverability

Price: freeAt provider cost
Success rate: 99.9%Last 30 days · 1,504,737 calls
Latency p50: 1.1 sp95 8.1 s
Last verified: Sep 9, 2026Verified working

GEThttps://toolswitch.dev/v1/tools/contactout.people.email.verify?email=support%40contactout.comPreview

Uses platform quota
Synchronous response
Reads public data

Parameters

Free under current commercial terms: verifier credits are not charged. Recheck this rate if ContactOut starts metering verification.

Parameter	Type	Required	Description	Example
Query parameters
`email`	string	Required		`support@contactout.com`

Query parameters
emailstringRequired
Example: support@contactout.com

Code samples

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

Preview

curl -X GET 'https://toolswitch.dev/v1/tools/contactout.people.email.verify?email=support%40contactout.com' \
  -H "X-Toolswitch-Key: $TOOLSWITCH_KEY"

import os
import requests

response = requests.request(
    "GET",
    "https://toolswitch.dev/v1/tools/contactout.people.email.verify?email=support%40contactout.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/contactout.people.email.verify?email=support%40contactout.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 free, including the service fee.