POST /applications/{appId}/messages
Send a message (event) to all active endpoints of an application.

Authentication

API Key (header: X-API-Key) API Key (cookie: better-auth.session_token)

Path Parameters

appId string required path
Application ID
Example: "a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6"

Request Body required

Request body

application/json
event_type string REQUIRED
Event type name
payload unknown | null
Event payload (object or string)

Responses

201 Message created and delivery initiated
application/json
message object | null REQUIRED
id string REQUIRED
org_id string REQUIRED
env_id string REQUIRED
application_id string REQUIRED
event_type string REQUIRED
payload string REQUIRED
status string REQUIRED
created_at string REQUIRED
updated_at string REQUIRED
400 Bad request or application inactive
401 Unauthorized
404 Application not found
curl -X POST 'https://hookstream.io/v1/applications/a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6/messages' \  -H 'Authorization: Bearer YOUR_API_TOKEN' \  -H 'Content-Type: application/json' \  -d '{  "event_type": "invoice.paid",  "payload": null}'
const response = await fetch('https://hookstream.io/v1/applications/a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6/messages', {  method: 'POST',  headers: {      "Authorization": "Bearer YOUR_API_TOKEN",      "Content-Type": "application/json"  },  body: JSON.stringify({    "event_type": "invoice.paid",    "payload": null  })});const data = await response.json();console.log(data);
import requestsheaders = {    'Authorization': 'Bearer YOUR_API_TOKEN'}response = requests.post('https://hookstream.io/v1/applications/a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6/messages', headers=headers, json={  "event_type": "invoice.paid",  "payload": null})print(response.json())
package mainimport (	"fmt"	"io"	"net/http"	"strings")func main() {	body := strings.NewReader(`{  "event_type": "invoice.paid",  "payload": null}`)	req, _ := http.NewRequest("POST", "https://hookstream.io/v1/applications/a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6/messages", body)	req.Header.Set("Authorization", "Bearer YOUR_API_TOKEN")	req.Header.Set("Content-Type", "application/json")	resp, _ := http.DefaultClient.Do(req)	defer resp.Body.Close()	result, _ := io.ReadAll(resp.Body)	fmt.Println(string(result))}
201 Response
{  "message": {    "id": "<string>",    "org_id": "<string>",    "env_id": "<string>",    "application_id": "<string>",    "event_type": "<string>",    "payload": "<string>",    "status": "<string>",    "created_at": "<string>",    "updated_at": "<string>"  }}