Emails
Send Batch with Template
Send multiple templated emails in a single API call with individual merge data per recipient.
POST
/
v1
/
email
/
template
/
batch
Send Batch with Template
curl --request POST \
--url https://api.unosend.co/v1/email/template/batch \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"template_key": "<string>",
"from": {},
"to": [
{
"email_address.address": "<string>",
"email_address.name": "<string>",
"merge_info": {}
}
]
}
'import requests
url = "https://api.unosend.co/v1/email/template/batch"
payload = {
"template_key": "<string>",
"from": {},
"to": [
{
"email_address.address": "<string>",
"email_address.name": "<string>",
"merge_info": {}
}
]
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
template_key: '<string>',
from: {},
to: [
{
'email_address.address': '<string>',
'email_address.name': '<string>',
merge_info: {}
}
]
})
};
fetch('https://api.unosend.co/v1/email/template/batch', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.unosend.co/v1/email/template/batch",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'template_key' => '<string>',
'from' => [
],
'to' => [
[
'email_address.address' => '<string>',
'email_address.name' => '<string>',
'merge_info' => [
]
]
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.unosend.co/v1/email/template/batch"
payload := strings.NewReader("{\n \"template_key\": \"<string>\",\n \"from\": {},\n \"to\": [\n {\n \"email_address.address\": \"<string>\",\n \"email_address.name\": \"<string>\",\n \"merge_info\": {}\n }\n ]\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.unosend.co/v1/email/template/batch")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"template_key\": \"<string>\",\n \"from\": {},\n \"to\": [\n {\n \"email_address.address\": \"<string>\",\n \"email_address.name\": \"<string>\",\n \"merge_info\": {}\n }\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.unosend.co/v1/email/template/batch")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"template_key\": \"<string>\",\n \"from\": {},\n \"to\": [\n {\n \"email_address.address\": \"<string>\",\n \"email_address.name\": \"<string>\",\n \"merge_info\": {}\n }\n ]\n}"
response = http.request(request)
puts response.read_bodystring
required
The unique key of the template to use for all emails in the batch.
object
required
Sender details with
address and optional name.array
required
Request
curl -X POST https://api.unosend.co/v1/email/template/batch \
-H "Authorization: Bearer un_xxxxxxxxxx" \
-H "Content-Type: application/json" \
-d '{
"template_key": "order-confirmation",
"from": {
"address": "orders@yourdomain.com",
"name": "Your Store"
},
"to": [
{
"email_address": {
"address": "user1@example.com",
"name": "Alice"
},
"merge_info": {
"first_name": "Alice",
"order_id": "ORD-001"
}
},
{
"email_address": {
"address": "user2@example.com",
"name": "Bob"
},
"merge_info": {
"first_name": "Bob",
"order_id": "ORD-002"
}
}
]
}'
await fetch('https://api.unosend.co/v1/email/template/batch', {
method: 'POST',
headers: {
'Authorization': 'Bearer un_xxxxxxxxxx',
'Content-Type': 'application/json'
},
body: JSON.stringify({
template_key: 'order-confirmation',
from: { address: 'orders@yourdomain.com', name: 'Your Store' },
to: [
{ email_address: { address: 'user1@example.com', name: 'Alice' }, merge_info: { first_name: 'Alice', order_id: 'ORD-001' } },
{ email_address: { address: 'user2@example.com', name: 'Bob' }, merge_info: { first_name: 'Bob', order_id: 'ORD-002' } }
]
})
});
Response
200
{
"message": "OK",
"request_id": "req_batch_789xyz",
"data": [
{ "message_id": "msg_001", "recipient": "user1@example.com", "status": "queued" },
{ "message_id": "msg_002", "recipient": "user2@example.com", "status": "queued" }
]
}
Each recipient in the batch uses 1 credit. A batch of 50 recipients consumes 50 credits.
⌘I
Send Batch with Template
curl --request POST \
--url https://api.unosend.co/v1/email/template/batch \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"template_key": "<string>",
"from": {},
"to": [
{
"email_address.address": "<string>",
"email_address.name": "<string>",
"merge_info": {}
}
]
}
'import requests
url = "https://api.unosend.co/v1/email/template/batch"
payload = {
"template_key": "<string>",
"from": {},
"to": [
{
"email_address.address": "<string>",
"email_address.name": "<string>",
"merge_info": {}
}
]
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
template_key: '<string>',
from: {},
to: [
{
'email_address.address': '<string>',
'email_address.name': '<string>',
merge_info: {}
}
]
})
};
fetch('https://api.unosend.co/v1/email/template/batch', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.unosend.co/v1/email/template/batch",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'template_key' => '<string>',
'from' => [
],
'to' => [
[
'email_address.address' => '<string>',
'email_address.name' => '<string>',
'merge_info' => [
]
]
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.unosend.co/v1/email/template/batch"
payload := strings.NewReader("{\n \"template_key\": \"<string>\",\n \"from\": {},\n \"to\": [\n {\n \"email_address.address\": \"<string>\",\n \"email_address.name\": \"<string>\",\n \"merge_info\": {}\n }\n ]\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.unosend.co/v1/email/template/batch")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"template_key\": \"<string>\",\n \"from\": {},\n \"to\": [\n {\n \"email_address.address\": \"<string>\",\n \"email_address.name\": \"<string>\",\n \"merge_info\": {}\n }\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.unosend.co/v1/email/template/batch")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"template_key\": \"<string>\",\n \"from\": {},\n \"to\": [\n {\n \"email_address.address\": \"<string>\",\n \"email_address.name\": \"<string>\",\n \"merge_info\": {}\n }\n ]\n}"
response = http.request(request)
puts response.read_body