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Simple Email Service

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BatchSendEmail

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Last updated: 2026-03-31 16:39:55

1. API Description

Domain name for API request: ses.intl.tencentcloudapi.com.

This API is used to send a TEXT or HTML email to multiple recipients at a time for marketing or notification purposes. By default, you can send emails using a template only. You need to create a recipient group with email addresses first and then send emails by group ID. SES supports scheduled and recurring email sending tasks. You need to pass in TimedParam for a scheduled task and CycleParam for a recurring one.

A maximum of 20 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: BatchSendEmail.
Version Yes String Common Params. The value used for this API: 2020-10-02.
Region Yes String Common Params. For more information, please see the list of regions supported by the product. This API only supports: ap-singapore.
FromEmailAddress Yes String

Sender's email address. Please fill in the sender's email address, for example: noreply@mail.qcloud.com. If you need to fill in the sender description, please enter it via
sender <email address>, for example:
Tencent Cloud team <noreply@mail.qcloud.com>

ReceiverId Yes Integer

Recipient list ID

Subject Yes String

Email Subject

TaskType Yes Integer

Task type 1: Send now 2: Scheduled sending 3: Cycle (frequency) sending

ReplyToAddresses No String

The "reply" email address of the mail. Can be filled with an email address you can receive mail, can be a personal mailbox. If left empty, the recipient's reply mail will fail to send.

Template No Template

Template-related parameters to fill in when sending with a template

Note

This field must be specified if you have not applied for special configuration

Simple No Simple

Abandoned

Description

Only customers who historically applied for special configuration need to use this. If you have not applied for special configuration, this field does not exist.

Attachments.N No Array of Attachment

When you need to send an attachment, fill in the related parameters (not supported).

CycleParam No CycleEmailParam

Required parameter for sending tasks periodically

TimedParam No TimedEmailParam

Required parameter of scheduled task assignment

Unsubscribe No String Unsubscription link options 0: do not add 1: english 2: simplified chinese 3: traditional chinese 4: spanish 5: french 6: german 7: japanese 8: korean 9: arabic 10: thai. 11: indonesian.
ADLocation No Integer

Whether to add an ad flag 0: do not add 1: add to the previous subject 2: add to the following subject

3. Output Parameters

Parameter Name Type Description
TaskId Integer

Send task ID

RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 Adding a batch sending task

Input Example

POST / HTTP/1.1
Host: ses.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: BatchSendEmail
<Common request parameters>

{
    "Attachments": [
        {
            "Content": "Attachment content",
            "FileName": "Filename"
        }
    ],
    "TimedParam": {
        "BeginTime": "2021-09-10 11:10:11"
    },
    "FromEmailAddress": "abc@bbc.com",
    "ReplyToAddresses": "abc@bbc.com",
    "Simple": {
        "Text": "text",
        "Html": "html"
    },
    "ReceiverId": 123,
    "Template": {
        "TemplateData": "{\"name\":\"123\"}",
        "TemplateID": 1
    },
    "CycleParam": {
        "IntervalTime": 1,
        "BeginTime": "2021-09-10 11:10:11"
    },
    "Subject": "Email subject",
    "TaskType": 1,
    "ADLocation": 0
}

Output Example

{
    "Response": {
        "RequestId": "8979fc1e-9564-4fc9-bf7d-2958ce679b72",
        "TaskId": 123
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
FailedOperation.EmailContentToolarge The email is too large. Remove some content.
InternalError Internal error.
InvalidParameterValue.BeginTimeBeforeNow The start time cannot be earlier than the current time.
InvalidParameterValue.EmailContentIsWrong Incorrect email content. Make sure TEXT/HTML base64 is correct.
InvalidParameterValue.SubjectLengthError The email subject must contain 1 to 100 characters.
InvalidParameterValue.TemplateDataError Template parameters must be in JSON format.
InvalidParameterValue.TemplateNotMatchData Template variables do not match recipient list parameters.
MissingParameter.CycleParamNecessary For a recurring sending task, you must select the start time and recurrence.
MissingParameter.SendParamNecessary Sender address, recipient group, and email template are required.
MissingParameter.TimedParamNecessary For a scheduled sending task, you must select the start time.
OperationDenied.ReceiverNotExist The recipient group does not exist.
OperationDenied.ReceiverStatusError The recipient group is empty or hasn’t been completely uploaded.
OperationDenied.SendAddressStatusError The sender address does not exist or hasn’t been approved.
OperationDenied.TemplateStatusError The email template does not exist or hasn’t been approved.

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