On this page

Retrieve all invalid emails

API Overview

An invalid email occurs when you attempt to send email to an address that is formatted in a manner that does not meet internet email format standards or the email does not exist at the recipient's mail server.

Examples include addresses without the "@" sign or addresses that include certain special characters and/or spaces. This response can come from our own server or the recipient mail server.

For more information, please see our Invalid Email documentation.

Operation overview

GET/v3/suppression/invalid_emails

Base url: https://api.sendgrid.com (for global users and subusers)

Base url: https://api.eu.sendgrid.com (for EU regional subusers)

This endpoint allows you to retrieve a paginated list of all invalid email addresses.

You can use the limit query parameter to set the page size. If your list contains more items than the page size permits, you can make multiple requests. Use the offset query parameter to control the position in the list from which to start retrieving additional items.

Operation details

Authentication

API Key

Headers

Property nameTypeRequiredDescription

Authorizationstringrequired

Default: Bearer <<YOUR_API_KEY_HERE>>

on-behalf-ofstringOptional

The on-behalf-of header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You will use the parent account's API key when using this header. When making a call on behalf of a customer account, the property value should be "account-id" followed by the customer account's ID (e.g., on-behalf-of: account-id <account-id>). When making a call on behalf of a Subuser, the property value should be the Subuser's username (e.g., on-behalf-of: <subuser-username>). See On Behalf Of for more information.

Query string

Property nameTypeRequiredDescription

start_timeintegerOptional

Refers start of the time range in unix timestamp when an invalid email was created (inclusive).

end_timeintegerOptional

Refers end of the time range in unix timestamp when an invalid email was created (inclusive).

limitintegerOptional

limit sets the page size, i.e. maximum number of items from the list to be returned for a single API request. If omitted, the default page size is used. The maximum page size for this endpoint is 500 items per page.

Minimum: 1Maximum: 500

offsetintegerOptional

The number of items in the list to skip over before starting to retrieve the items for the requested page. The default offset of 0 represents the beginning of the list, i.e. the start of the first page. To request the second page of the list, set the offset to the page size as determined by limit. Use multiples of the page size as your offset to request further consecutive pages. E.g. assume your page size is set to 10. An offset of 10 requests the second page, an offset of 20 requests the third page and so on, provided there are sufficiently many items in your list.

Minimum: 0Default: 0

emailstringOptional

This parameter allows you to filter results by email address. Only invalid addresses matching an address passed in this parameter will be returned.

Responses

200

SchemaExample

Array of:

Property nameTypeRequiredDescriptionChild properties

createdinteger

A Unix timestamp indicating when the email address was added to the invalid emails list.

emailstring<email>

The email address that was marked as invalid.

reasonstring

The reason that the email address was marked as invalid.

Retrieving paginated results

To perform a request for the first page of the paginated list of all invalid emails using the default page size, you can omit the limit and offset query parameters:

Retrieve first page from list of all invalid emails

1const client = require("@sendgrid/client");
2client.setApiKey(process.env.SENDGRID_API_KEY);
3
4const request = {
5  url: `/v3/suppression/invalid_emails`,
6  method: "GET",
7};
8
9client
10  .request(request)
11  .then(([response, body]) => {
12    console.log(response.statusCode);
13    console.log(response.body);
14  })
15  .catch((error) => {
16    console.error(error);
17  });

If you want to specify a page size of your choice, you can use the limit query parameter. Assume you want a page size of no more than 5 items per request, to retrieve the first page you can use the limit parameter without specifying an offset:

Retrieve first page from list of all invalid emails with a specified page size

1const client = require("@sendgrid/client");
2client.setApiKey(process.env.SENDGRID_API_KEY);
3
4const queryParams = {
5  limit: 5,
6};
7
8const request = {
9  url: `/v3/suppression/invalid_emails`,
10  method: "GET",
11  qs: queryParams,
12};
13
14client
15  .request(request)
16  .then(([response, body]) => {
17    console.log(response.statusCode);
18    console.log(response.body);
19  })
20  .catch((error) => {
21    console.error(error);
22  });

If you want to retrieve items beyond the first page, you can use the offset parameter as follows. Assume you are still working with a page size of 5 as determined by your limit query parameter and you have more than 15 items. To request the fourth page of items, you can use the offset parameter to skip over the first 15 items, i.e. you start retrieving items starting after the first three pages of 5 items each:

Retrieve a specific page from the list of all invalid emails

1const client = require("@sendgrid/client");
2client.setApiKey(process.env.SENDGRID_API_KEY);
3
4const queryParams = {
5  limit: 5,
6  offset: 15,
7};
8
9const request = {
10  url: `/v3/suppression/invalid_emails`,
11  method: "GET",
12  qs: queryParams,
13};
14
15client
16  .request(request)
17  .then(([response, body]) => {
18    console.log(response.statusCode);
19    console.log(response.body);
20  })
21  .catch((error) => {
22    console.error(error);
23  });