Send a brand sticker for lightweight, playful replies — WebP only, within WhatsApp size limits.
At a glance
| Item | Detail |
|---|
type | sticker |
| Format | WebP |
| Maximum file size | 100 KB (static) or 500 KB (animated) |
| Media field | content.sticker_url or content.media_url |
| Channel support | Official and unofficial |
Stickers must meet WhatsApp size limits. Oversized WebP files are rejected at the provider layer.
Request body
| Field | Required | Description |
|---|
channel_id | Yes | Sender channel ID |
to | Yes | Recipient phone number |
type | Yes | sticker |
content.sticker_url | Yes | HTTPS URL to a .webp sticker |
Example
curl -X POST "https://api.wazapin.com/v1/messages" \
-H "X-Api-Key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"channel_id": "wzp_abc123",
"to": "6281234567890",
"type": "sticker",
"content": {
"sticker_url": "https://cdn.example.com/stickers/thanks.webp"
}
}'
Endpoint
POST https://api.wazapin.com/v1/messages
Authenticate with X-Api-Key. See Authentication.
Response
On success, the API returns 201 Created with a message record (status often starts as queued).
{
"data": {
"id": "9f1fd66d-c37a-4b50-a8c2-b4dca523f9c8",
"channel_id": "wzp_abc123",
"to_phone": "6281234567890",
"type": "text",
"status": "queued",
"created_at": "2026-03-04T06:20:10Z",
"updated_at": "2026-03-04T06:20:10Z"
}
}
