Build WhatsApp Templates Ready for Meta Review

const BASE = 'https://waba-api.startmessaging.com/api/v1';
const headers = {
  'Authorization': 'Bearer ' + process.env.SM_API_KEY, // sm_live_your_api_key
  'Content-Type': 'application/json',
};

// 1. Check that the template is approved (needs the templates:read scope)
const list = await fetch(
  `${BASE}/templates?status=APPROVED&name=order_confirmation&language=en_US`,
  { headers },
);
const { data: templates } = await list.json();
if (templates.items.length === 0) throw new Error('order_confirmation is not approved yet');

// 2. Send it (needs the messages:send scope)
const res = await fetch(`${BASE}/messages`, {
  method: 'POST',
  headers: { ...headers, 'Idempotency-Key': 'order-1042-confirmed' },
  body: JSON.stringify({
    to: '+919812345678',
    type: 'template',
    template: {
      name: 'order_confirmation',
      language: 'en_US',
      parameters: [{ text: 'Asha' }, { text: '#1042' }],
    },
    clientReference: 'order-1042',
  }),
});

const { data } = await res.json();
console.log(data.id, data.status);

import os, requests

BASE = 'https://waba-api.startmessaging.com/api/v1'
HEADERS = {'Authorization': f"Bearer {os.environ['SM_API_KEY']}"}  # sm_live_your_api_key

# 1. Check that the template is approved
templates = requests.get(
    f'{BASE}/templates',
    headers=HEADERS,
    params={'status': 'APPROVED', 'name': 'order_confirmation', 'language': 'en_US'},
).json()['data']
if not templates['items']:
    raise RuntimeError('order_confirmation is not approved yet')

# 2. Send it
res = requests.post(
    f'{BASE}/messages',
    headers={**HEADERS, 'Idempotency-Key': 'order-1042-confirmed'},
    json={
        'to': '+919812345678',
        'type': 'template',
        'template': {
            'name': 'order_confirmation',
            'language': 'en_US',
            'parameters': [{'text': 'Asha'}, {'text': '#1042'}],
        },
        'clientReference': 'order-1042',
    },
)

data = res.json()['data']
print(data['id'], data['status'])

<?php
$base = 'https://waba-api.startmessaging.com/api/v1';
$auth = 'Authorization: Bearer ' . getenv('SM_API_KEY'); // sm_live_your_api_key

// 1. Check that the template is approved
$ch = curl_init($base . '/templates?status=APPROVED&name=order_confirmation&language=en_US');
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true, CURLOPT_HTTPHEADER => [$auth]]);
$templates = json_decode(curl_exec($ch), true)['data'];
if (count($templates['items']) === 0) {
    exit('order_confirmation is not approved yet');
}

// 2. Send it
$body = json_encode([
    'to' => '+919812345678',
    'type' => 'template',
    'template' => [
        'name' => 'order_confirmation',
        'language' => 'en_US',
        'parameters' => [['text' => 'Asha'], ['text' => '#1042']],
    ],
    'clientReference' => 'order-1042',
]);

$ch = curl_init($base . '/messages');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        $auth,
        'Content-Type: application/json',
        'Idempotency-Key: order-1042-confirmed',
    ],
    CURLOPT_POSTFIELDS => $body,
]);
$data = json_decode(curl_exec($ch), true)['data'];
echo $data['id'] . ' ' . $data['status'];

# A carousel template: body "Hi {{1}}, picks for you", each card with text "{{1}}"
# and a link button whose URL ends in a variable. Send every card, in order,
# each with its image or video.
curl -X POST https://waba-api.startmessaging.com/api/v1/messages \
  -H "Authorization: Bearer sm_live_your_api_key" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: festive-picks-919812345678" \
  -d '{
    "to": "+919812345678",
    "type": "template",
    "template": {
      "name": "festive_picks",
      "language": "en",
      "parameters": [{ "text": "Asha" }],
      "carouselCards": [
        {
          "headerMediaUrl": "https://cdn.example.com/products/kurta-blue.jpg",
          "parameters": [{ "text": "₹1,299" }],
          "buttonParameters": [{ "index": 0, "subType": "url", "text": "kurta-blue" }]
        },
        {
          "headerMediaUrl": "https://cdn.example.com/products/kurta-red.jpg",
          "parameters": [{ "text": "₹1,499" }],
          "buttonParameters": [{ "index": 0, "subType": "url", "text": "kurta-red" }]
        }
      ]
    }
  }'