curl -X POST https://api.tracklysms.com/api/v2/send/bulk \
  -H "X-Api-Key: trk_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "messages": [
      {
        "to": "+14155551234",
        "list_number": "+18005551000",
        "body": "Your promo code is SAVE20. Ref: {{messageId}}"
      },
      {
        "to": "+14155559876",
        "list_number": "+18005551000",
        "body": "Your promo code is SAVE20. Ref: {{messageId}}"
      }
    ]
  }'

import requests

response = requests.post(
    "https://api.tracklysms.com/api/v2/send/bulk",
    headers={
        "X-Api-Key": "trk_your_api_key_here",
        "Content-Type": "application/json",
    },
    json={
        "messages": [
            {
                "to": "+14155551234",
                "list_number": "+18005551000",
                "body": "Your promo code is SAVE20. Ref: {{messageId}}",
            },
            {
                "to": "+14155559876",
                "list_number": "+18005551000",
                "body": "Your promo code is SAVE20. Ref: {{messageId}}",
            },
        ]
    },
)

data = response.json()
print(f"Queued: {data['queued_count']}, Errors: {data['error_count']}")

const response = await fetch("https://api.tracklysms.com/api/v2/send/bulk", {
  method: "POST",
  headers: {
    "X-Api-Key": "trk_your_api_key_here",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    messages: [
      {
        to: "+14155551234",
        list_number: "+18005551000",
        body: "Your promo code is SAVE20. Ref: {{messageId}}",
      },
      {
        to: "+14155559876",
        list_number: "+18005551000",
        body: "Your promo code is SAVE20. Ref: {{messageId}}",
      },
    ],
  }),
});

const data = await response.json();
console.log(`Queued: ${data.queued_count}, Errors: ${data.error_count}`);

{
  "queued_count": 2,
  "error_count": 0,
  "errors": []
}

{
  "queued_count": 1,
  "error_count": 1,
  "errors": [
    {
      "index": 1,
      "to": "not-a-number",
      "code": "invalid_phone",
      "error": "Invalid recipient phone number format"
    }
  ]
}

{
  "error": "messages array is required",
  "code": "missing_messages"
}

{
  "error": "Maximum 1000 messages per request",
  "code": "too_many_messages"
}