Send group message

POST {{baseUrl}}/v3/messages

Sends a message into a v3 group chat. Source: group_messages/endpoints/createMessageController.ts.

Response: 200 with { "data": <created ChatMessage> } — same shape as one entry in “Get group messages” → data.messages.

Request body

{
  "group_id": "{{groupId}}",
  "message": "On my way!"
}

Examples

cURL

curl --request POST 'https://api.firstdelivery.com/api/v3/messages' \
  --header 'Content-Type: application/json' \
  --data '{
  "group_id": "{{groupId}}",
  "message": "On my way!"
}'

Node.js

const response = await fetch("https://api.firstdelivery.com/api/v3/messages", {
  "method": "POST",
  "headers": {
    "Content-Type": "application/json"
  },
  "body": "{\n  \"group_id\": \"{{groupId}}\",\n  \"message\": \"On my way!\"\n}"
})
const data = await response.json()

Python

import requests

response = requests.request(
    "POST",
    "https://api.firstdelivery.com/api/v3/messages",
    headers={
  'Content-Type': 'application/json'
},
    data="{\n  \"group_id\": \"{{groupId}}\",\n  \"message\": \"On my way!\"\n}",
)
response.raise_for_status()

Saved responses

200 200 OK

{
  "data": {
    "id": 1024,
    "group_id": 7,
    "from_user_id": "8e17d5db-da6e-453c-966f-bfc72c125094",
    "message_text": "On my way!",
    "media_urls": [],
    "user_name": "Jane Doe",
    "user_role": "runner",
    "created_at": "2026-06-22T14:05:00.000Z"
  }
}