Create or Update Template

curl -X POST "https://management-api.suprsend.com/v2/{workspace}/template/{template_slug}/" \
  --header 'Authorization: ServiceToken <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "name": "Order Confirmed",
    "description": "Sent when an order is placed",
    "tags": ["transactional"],
    "enabled_channels": ["email", "sms"]
  }'

import requests

url = "https://management-api.suprsend.com/v2/{workspace}/template/{template_slug}/"

payload = {
    "name": "Order Confirmed",
    "description": "Sent when an order is placed",
    "tags": ["transactional"],
    "enabled_channels": ["email", "sms"]
}
headers = {
    "ServiceToken <token>": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'ServiceToken <token>': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: 'Order Confirmed',
    description: 'Sent when an order is placed',
    tags: ['transactional'],
    enabled_channels: ['email', 'sms']
  })
};

fetch('https://management-api.suprsend.com/v2/{workspace}/template/{template_slug}/', 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://management-api.suprsend.com/v2/{workspace}/template/{template_slug}/",
  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([
    'name' => 'Order Confirmed',
    'description' => 'Sent when an order is placed',
    'tags' => [
        'transactional'
    ],
    'enabled_channels' => [
        'email',
        'sms'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "ServiceToken <token>: <api-key>"
  ],
]);

$response = curl_exec($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://management-api.suprsend.com/v2/{workspace}/template/{template_slug}/"

	payload := strings.NewReader("{\n  \"name\": \"Order Confirmed\",\n  \"description\": \"Sent when an order is placed\",\n  \"tags\": [\n    \"transactional\"\n  ],\n  \"enabled_channels\": [\n    \"email\",\n    \"sms\"\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("ServiceToken <token>", "<api-key>")
	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://management-api.suprsend.com/v2/{workspace}/template/{template_slug}/")
  .header("ServiceToken <token>", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Order Confirmed\",\n  \"description\": \"Sent when an order is placed\",\n  \"tags\": [\n    \"transactional\"\n  ],\n  \"enabled_channels\": [\n    \"email\",\n    \"sms\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://management-api.suprsend.com/v2/{workspace}/template/{template_slug}/")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["ServiceToken <token>"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"Order Confirmed\",\n  \"description\": \"Sent when an order is placed\",\n  \"tags\": [\n    \"transactional\"\n  ],\n  \"enabled_channels\": [\n    \"email\",\n    \"sms\"\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "$schema": "https://schema.suprsend.com/template/v2/schema.json",
  "slug": "welcome-onboarding",
  "created_at": "2026-04-01T05:57:21.081312Z",
  "last_triggered_at": null,
  "name": "Welcome Onboarding",
  "description": "Welcome email for new users",
  "tags": [
    "onboarding",
    "welcome"
  ],
  "enabled_channels": [
    "email",
    "slack"
  ],
  "status": "draft",
  "version_no": null,
  "hash": "74335de96f6ddc077b90310ff746a8f8cd64852acbbe260c626be54ff28bed0d",
  "commit_message": null,
  "active_at": null,
  "updated_at": "2026-04-08T09:24:38.918548Z",
  "updated_by": {
    "name": "API Service",
    "email": "service-token@api.example.com"
  },
  "channels": [
    {
      "channel": "email",
      "is_active": false,
      "variants_count": 1
    },
    {
      "channel": "slack",
      "is_active": false,
      "variants_count": 1
    }
  ]
}

{
  "code": 401,
  "error_code": "authentication_failed",
  "type": "AuthenticationFailed",
  "message": "Invalid service token.",
  "detail": "Invalid service token."
}