API method

users.lookupByEmail

Find a user with an email address.

Facts

Method access

HTTP
JavaScript
Python
Java
HTTP
GEThttps://slack.com/api/users.lookupByEmail
Bolt for Java
app.client().usersLookupByEmail
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Bolt for Python
app.client.users_lookupByEmail
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Bolt for JavaScript
app.client.users.lookupByEmail
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Content types

application/x-www-form-urlencoded
  • Rate limits

    Tier 3
  • Arguments

    ArgumentTypeDescription
    tokenRequired

    Authentication token bearing required scopes. Tokens should be passed as an HTTP Authorization header or alternatively, as a POST parameter.

    Examplexxxx-xxxxxxxxx-xxxx
    string

    An email address belonging to a user in the workspace

    Examplespengler@ghostbusters.example.com

    Present arguments as parameters in application/x-www-form-urlencoded querystring or POST body. This method does not currently accept application/json.

    Example responses

    Common successful response

    Typical success response

    {
        "ok": true,
        "user": {
            "id": "W012A3CDE",
            "team_id": "T012AB3C4",
            "name": "spengler",
            "deleted": false,
            "color": "9f69e7",
            "real_name": "Egon Spengler",
            "tz": "America/Los_Angeles",
            "tz_label": "Pacific Daylight Time",
            "tz_offset": -25200,
            "profile": {
                "avatar_hash": "ge3b51ca72de",
                "status_text": "Print is dead",
                "status_emoji": ":books:",
                "real_name": "Egon Spengler",
                "display_name": "spengler",
                "real_name_normalized": "Egon Spengler",
                "display_name_normalized": "spengler",
                "email": "spengler@ghostbusters.example.com",
                "image_24": "https://.../avatar/e3b51ca72dee4ef87916ae2b9240df50.jpg",
                "image_32": "https://.../avatar/e3b51ca72dee4ef87916ae2b9240df50.jpg",
                "image_48": "https://.../avatar/e3b51ca72dee4ef87916ae2b9240df50.jpg",
                "image_72": "https://.../avatar/e3b51ca72dee4ef87916ae2b9240df50.jpg",
                "image_192": "https://.../avatar/e3b51ca72dee4ef87916ae2b9240df50.jpg",
                "image_512": "https://.../avatar/e3b51ca72dee4ef87916ae2b9240df50.jpg",
                "team": "T012AB3C4"
            },
            "is_admin": true,
            "is_owner": false,
            "is_primary_owner": false,
            "is_restricted": false,
            "is_ultra_restricted": false,
            "is_bot": false,
            "updated": 1502138686,
            "is_app_user": false,
            "has_2fa": false
        }
    }
    Common error response

    Typical error response

    {
        "ok": false,
        "error": "users_not_found"
    }

    Retrieve a single user by looking them up by their registered email address. Requires users:read.email.

    Custom bot users cannot use this method.

    Returns a user object.

    Profile

    The profile hash contains as much information as the user has supplied in the default profile fields: first_name, last_name, real_name, display_name, skype, and the image_* fields. Only the image_* fields are guaranteed to be included. Data that has not been supplied may not be present at all, may be null or may contain the empty string ("").

    A user's custom profile fields may be discovered using users.profile.get.

    Email addresses

    Accessing email addresses
    The users:read.email OAuth scope is now required to access the email field in user objects returned by the users.list and users.info web API methods. users:read is no longer a sufficient scope for this data field. Learn more.

    Apps created after January 4th, 2017 must explicitly request the users:read.email OAuth permission scope when using the OAuth app installation flow to enable access to this method.

    Errors

    This table lists the expected errors that this method could return. However, other errors can be returned in the case where the service is down or other unexpected factors affect processing. Callers should always check the value of the ok params in the response.

    ErrorDescription
    users_not_found

    Value passed for user was invalid.

    enterprise_is_restricted

    The method cannot be called from an Enterprise.

    not_authed

    No authentication token provided.

    invalid_auth

    Some aspect of authentication cannot be validated. Either the provided token is invalid or the request originates from an IP address disallowed from making the request.

    account_inactive

    Authentication token is for a deleted user or workspace when using a bot token.

    token_revoked

    Authentication token is for a deleted user or workspace or the app has been removed when using a user token.

    no_permission

    The workspace token used in this request does not have the permissions necessary to complete the request. Make sure your app is a member of the conversation it's attempting to post a message to.

    org_login_required

    The workspace is undergoing an enterprise migration and will not be available until migration is complete.

    ekm_access_denied

    Administrators have suspended the ability to post a message.

    missing_scope

    The token used is not granted the specific scope permissions required to complete this request.

    not_allowed_token_type

    The token type used in this request is not allowed.

    method_deprecated

    The method has been deprecated.

    deprecated_endpoint

    The endpoint has been deprecated.

    two_factor_setup_required

    Two factor setup is required.

    invalid_arguments

    The method was either called with invalid arguments or some detail about the arguments passed are invalid, which is more likely when using complex arguments like blocks or attachments.

    invalid_arg_name

    The method was passed an argument whose name falls outside the bounds of accepted or expected values. This includes very long names and names with non-alphanumeric characters other than _. If you get this error, it is typically an indication that you have made a very malformed API call.

    invalid_array_arg

    The method was passed an array as an argument. Please only input valid strings.

    invalid_charset

    The method was called via a POST request, but the charset specified in the Content-Type header was invalid. Valid charset names are: utf-8 iso-8859-1.

    invalid_form_data

    The method was called via a POST request with Content-Type application/x-www-form-urlencoded or multipart/form-data, but the form data was either missing or syntactically invalid.

    invalid_post_type

    The method was called via a POST request, but the specified Content-Type was invalid. Valid types are: application/json application/x-www-form-urlencoded multipart/form-data text/plain.

    missing_post_type

    The method was called via a POST request and included a data payload, but the request did not include a Content-Type header.

    team_added_to_org

    The workspace associated with your request is currently undergoing migration to an Enterprise Organization. Web API and other platform operations will be intermittently unavailable until the transition is complete.

    invalid_json [hidden]The method was called via a `POST` request with `Content-Type` `application/json`, but the body was not valid JSON.
    json_not_object [hidden]The method was called via a `POST` request a valid JSON body, but the JSON value was not an object.
    ratelimited

    The request has been ratelimited. Refer to the Retry-After header for when to retry the request.

    accesslimited

    Access to this method is limited on the current network

    request_timeout

    The method was called via a POST request, but the POST data was either missing or truncated.

    upgrade_required [hidden]The calling application needs to be upgraded.
    service_unavailable

    The service is temporarily unavailable

    fatal_error

    The server could not complete your operation(s) without encountering a catastrophic error. It's possible some aspect of the operation succeeded before the error was raised.

    internal_error

    The server could not complete your operation(s) without encountering an error, likely due to a transient issue on our end. It's possible some aspect of the operation succeeded before the error was raised.

    Warnings

    This table lists the expected warnings that this method will return. However, other warnings can be returned in the case where the service is experiencing unexpected trouble.

    WarningDescription
    missing_charset

    The method was called via a POST request, and recommended practice for the specified Content-Type is to include a charset parameter. However, no charset was present. Specifically, non-form-data content types (e.g. text/plain) are the ones for which charset is recommended.

    superfluous_charset

    The method was called via a POST request, and the specified Content-Type is not defined to understand the charset parameter. However, charset was in fact present. Specifically, form-data content types (e.g. multipart/form-data) are the ones for which charset is superfluous.

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