Event: sent | Teekrr | API Documentation

Triggered when the provider has accepted the message and handed it off toward the recipient. WhatsApp only - the SMS channel does not emit sent, and the email channel emits no webhooks at all.

Headers Teekrr sends

Header	Value
`Content-Type`	`application/json`
`X-Teekrr-Signature`	`t=<unix seconds>,v1=<HMAC-SHA256 hex>` - see the Webhooks guide
`X-Teekrr-Event`	`sent`
`X-Teekrr-Channel`	`whatsapp`

Triggered when the provider has accepted the message and handed it off toward the recipient. **WhatsApp only** - the SMS channel does not emit `sent`, and the email channel emits no webhooks at all. ## Headers Teekrr sends | Header | Value | | --- | --- | | `Content-Type` | `application/json` | | `X-Teekrr-Signature` | `t=<unix seconds>,v1=<HMAC-SHA256 hex>` - see the [Webhooks guide](/webhooks-guide) | | `X-Teekrr-Event` | `sent` | | `X-Teekrr-Channel` | `whatsapp` |

Payload

The payload of this webhook request is an object.

eventenumRequired

channelenumRequired

api_keyobjectRequired

The API key whose broadcast produced this event, so a consumer whose several keys point at one endpoint can tell them apart. null for a dashboard-composed send or an unattributable message.

timestampdatetimeRequired

When Teekrr built the payload (ISO 8601, UTC).

dataobjectRequired

Payload shape for sent / delivered / read / failed on the whatsapp channel.

Response

2XX

Acknowledge receipt within 10 seconds. Any 2xx counts as success.

1	{
2	"event": "sent",
3	"channel": "whatsapp",
4	"api_key": {
5	"uuid": "00000000-0000-0000-0000-0000000000ak",
6	"name": "Production integration"
7	},
8	"timestamp": "2026-05-06T10:14:55.002Z",
9	"data": {
10	"provider_message_id": "9f8e7d6c5b4a32100f1e2d3c",
11	"msisdn": "60123456789",
12	"status": "sent",
13	"broadcast_uuid": "00000000-0000-0000-0000-000000000010"
14	}
15	}