Email Signals

Email Signals enables you to retrieve a list of all known hashed emails and associated metadata of a given contact. These signals will be returned within the emails key.

curl -X POST \
  https://api.fullcontact.com/v3/verify.signals \
  -H 'Authorization: Bearer {Your API Key}' \
  -H "Content-Type: application/json" \
  -d '{
  "emails": [
    "[email protected]"
  ],
  "phones": [
    "+15552227799"
  ],
  "location": {
    "addressLine1": "123 Main Street",
    "city": "Denver",
    "region": "Colorado",
    "regionCode": "CO",
    "postalCode": "80203"
  },
  "name": {
    "given": "Sally",
    "family": "Smith"
  },
  "profiles": [{
    "service": "twitter",
    "username": "smith"
    }, {
    "service": "twitter",
    "userid": "123456"
    }, {
    "service": "linkedin",
    "url": "https://www.linkedin.com/in/sallysmi"
    }, {
    "service": "github",
    "url": "https://www.github.com/smith"
    }],
  "maids": ["ape2ch30-pifn-cbvi-30yy-nia-zex7aw5u"],
  "li_nonid": "-CmQui5eT6tqBVqQ874WGCv4DNO_taXJOAxVlQ",
  "panoramaId": "294293d141c731300758a10feda14945c111e0abcd04c8208f09ff058781337b"
  }'

{
"emails": [
      {
        "md5": "4ae8f6dd533de3c08481d4cc9c10e80d",
        "sha1": "f9401124f3252a97244bd84bd960b167a20116f3",
        "sha256": "8b458dd2661e2cb2f40d6676eac54f8cabc83fde59229d1fe1425d0a83c21c1f",
		    "firstSeenMs": 1350021600,
        "lastSeenMs": 1640415600,
        "observations": 201,
        "confidence": 0.97    
      }
    ....
    }
  ]
}

Email Signals Response Properties
emails.md5 string	The MD5 hash representation for a given email address.
emails.sha1 string	The SHA-1 hash representation for a given email address.
emails.sha256 string	The SHA-256 hash representation for a given email address.
emails.firstSeen string	The timestamp (YYYY-MM-DD) of the first time FullContact has seen a given email address.
emails.lastSeen string	The timestamp (YYYY-MM-DD) of the last time FullContact has seen a given email address.
emails.observations integer	The number of observations in our graph we've seen of an email connected to a person's profile based on the associated inputs
emails.confidence string	Numerical score of how the inputs provided relate to a person's hashed email (0-1.0)

Response Codes & Errors

Response Codes	Message
200 - OK	Your request was successful
204 - No Content	Individual is not found within FullContact's Identity Graph
400 - Bad Request	Your request was invalid
500 - Server Error	Something is broken on FullContact's side. If you encounter this, please contact us at [email protected] for assistance.
503 - Service Unavailable	There is a transient downstream error condition. We include a 'Retry-After' header dictating when to attempt the call again.