Skip to main content
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": {}
    }
  ]
}
'

Documentation Index

Fetch the complete documentation index at: https://docs.unosend.co/llms.txt

Use this file to discover all available pages before exploring further.

​
template_key
string
required
The unique key of the template to use for all emails in the batch.
​
from
object
required
Sender details with address and optional name.
​
to
array
required
Array of recipient objects. Each recipient can have their own merge_info.

​
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"
        }
      }
    ]
  }'

​
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.