curl --request POST \
  --url https://api.photon.codes/v1/projects/{id}/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'idempotency-key: <idempotency-key>' \
  --data '
{
  "content": {
    "format": "<string>",
    "text": "<string>",
    "type": "text"
  },
  "senderId": "<string>",
  "spaceId": "<string>",
  "email": {
    "bcc": [
      {
        "address": "<string>",
        "name": "<string>"
      }
    ],
    "cc": [
      {
        "address": "<string>",
        "name": "<string>"
      }
    ],
    "replyTo": [
      {
        "address": "<string>",
        "name": "<string>"
      }
    ],
    "subject": "<string>",
    "to": [
      {
        "address": "<string>",
        "name": "<string>"
      }
    ]
  },
  "parentMessageId": "<string>",
  "telegram": {
    "richMessage": true
  }
}
'

import requests

url = "https://api.photon.codes/v1/projects/{id}/messages"

payload = {
    "content": {
        "format": "<string>",
        "text": "<string>",
        "type": "text"
    },
    "senderId": "<string>",
    "spaceId": "<string>",
    "email": {
        "bcc": [
            {
                "address": "<string>",
                "name": "<string>"
            }
        ],
        "cc": [
            {
                "address": "<string>",
                "name": "<string>"
            }
        ],
        "replyTo": [
            {
                "address": "<string>",
                "name": "<string>"
            }
        ],
        "subject": "<string>",
        "to": [
            {
                "address": "<string>",
                "name": "<string>"
            }
        ]
    },
    "parentMessageId": "<string>",
    "telegram": { "richMessage": True }
}
headers = {
    "idempotency-key": "<idempotency-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'idempotency-key': '<idempotency-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    content: {format: '<string>', text: '<string>', type: 'text'},
    senderId: '<string>',
    spaceId: '<string>',
    email: {
      bcc: [{address: '<string>', name: '<string>'}],
      cc: [{address: '<string>', name: '<string>'}],
      replyTo: [{address: '<string>', name: '<string>'}],
      subject: '<string>',
      to: [{address: '<string>', name: '<string>'}]
    },
    parentMessageId: '<string>',
    telegram: {richMessage: true}
  })
};

fetch('https://api.photon.codes/v1/projects/{id}/messages', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.photon.codes/v1/projects/{id}/messages",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'content' => [
        'format' => '<string>',
        'text' => '<string>',
        'type' => 'text'
    ],
    'senderId' => '<string>',
    'spaceId' => '<string>',
    'email' => [
        'bcc' => [
                [
                                'address' => '<string>',
                                'name' => '<string>'
                ]
        ],
        'cc' => [
                [
                                'address' => '<string>',
                                'name' => '<string>'
                ]
        ],
        'replyTo' => [
                [
                                'address' => '<string>',
                                'name' => '<string>'
                ]
        ],
        'subject' => '<string>',
        'to' => [
                [
                                'address' => '<string>',
                                'name' => '<string>'
                ]
        ]
    ],
    'parentMessageId' => '<string>',
    'telegram' => [
        'richMessage' => true
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "idempotency-key: <idempotency-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.photon.codes/v1/projects/{id}/messages"

	payload := strings.NewReader("{\n  \"content\": {\n    \"format\": \"<string>\",\n    \"text\": \"<string>\",\n    \"type\": \"text\"\n  },\n  \"senderId\": \"<string>\",\n  \"spaceId\": \"<string>\",\n  \"email\": {\n    \"bcc\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ],\n    \"cc\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ],\n    \"replyTo\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ],\n    \"subject\": \"<string>\",\n    \"to\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ]\n  },\n  \"parentMessageId\": \"<string>\",\n  \"telegram\": {\n    \"richMessage\": true\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("idempotency-key", "<idempotency-key>")
	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.photon.codes/v1/projects/{id}/messages")
  .header("idempotency-key", "<idempotency-key>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"content\": {\n    \"format\": \"<string>\",\n    \"text\": \"<string>\",\n    \"type\": \"text\"\n  },\n  \"senderId\": \"<string>\",\n  \"spaceId\": \"<string>\",\n  \"email\": {\n    \"bcc\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ],\n    \"cc\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ],\n    \"replyTo\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ],\n    \"subject\": \"<string>\",\n    \"to\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ]\n  },\n  \"parentMessageId\": \"<string>\",\n  \"telegram\": {\n    \"richMessage\": true\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.photon.codes/v1/projects/{id}/messages")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["idempotency-key"] = '<idempotency-key>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"content\": {\n    \"format\": \"<string>\",\n    \"text\": \"<string>\",\n    \"type\": \"text\"\n  },\n  \"senderId\": \"<string>\",\n  \"spaceId\": \"<string>\",\n  \"email\": {\n    \"bcc\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ],\n    \"cc\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ],\n    \"replyTo\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ],\n    \"subject\": \"<string>\",\n    \"to\": [\n      {\n        \"address\": \"<string>\",\n        \"name\": \"<string>\"\n      }\n    ]\n  },\n  \"parentMessageId\": \"<string>\",\n  \"telegram\": {\n    \"richMessage\": true\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "content": {
    "format": "plain",
    "text": "Hello from Photon.",
    "type": "text"
  },
  "createdAt": "2026-01-01T00:00:00.000Z",
  "id": "pho_msg_00000000000000000000000001",
  "metadata": {},
  "platform": "whatsapp",
  "projectId": "pho_prj_00000000000000000000000001",
  "sentBy": {
    "details": {
      "resourceId": "pho_res_00000000000000000000000001",
      "type": "dedicated"
    },
    "handle": "+14155550123",
    "id": "pho_usr_00000000000000000000000001",
    "kind": "agent",
    "metadata": {},
    "platform": "whatsapp",
    "projectId": "pho_prj_00000000000000000000000001"
  },
  "space": {
    "details": {},
    "id": "pho_spc_00000000000000000000000001",
    "kind": "direct",
    "metadata": {},
    "participantIds": [
      "pho_usr_00000000000000000000000001",
      "pho_usr_00000000000000000000000002"
    ],
    "platform": "whatsapp",
    "projectId": "pho_prj_00000000000000000000000001"
  },
  "status": "dispatched",
  "timestamps": {
    "dispatchedAt": "2026-01-01T00:00:00.000Z"
  },
  "updatedAt": "2026-01-01T00:00:00.000Z"
}

{
  "code": "INVALID_REQUEST",
  "status": 400,
  "title": "Invalid Request",
  "type": "https://photon.codes/docs/problems/invalid-request"
}

{
  "code": "NOT_AUTHENTICATED",
  "status": 401,
  "title": "Not Authenticated",
  "type": "https://photon.codes/docs/problems/not-authenticated"
}

{
  "code": "BILLING_SUSPENDED",
  "status": 402,
  "title": "Billing Suspended",
  "type": "https://photon.codes/docs/problems/billing-suspended"
}

{
  "code": "FORBIDDEN",
  "status": 403,
  "title": "Forbidden",
  "type": "https://photon.codes/docs/problems/forbidden"
}

{
  "code": "SPACE_NOT_FOUND",
  "status": 404,
  "title": "Space Not Found",
  "type": "https://photon.codes/docs/problems/space-not-found"
}

{
  "code": "ATTACHMENT_NOT_READY",
  "status": 409,
  "title": "Attachment Not Ready",
  "type": "https://photon.codes/docs/problems/attachment-not-ready"
}

{
  "code": "PAYLOAD_TOO_LARGE",
  "status": 413,
  "title": "Payload Too Large",
  "type": "https://photon.codes/docs/problems/payload-too-large"
}

{
  "code": "SHARED_LINE_GROUP_UNSUPPORTED",
  "status": 422,
  "title": "Shared Line Group Unsupported",
  "type": "https://photon.codes/docs/problems/shared-line-group-unsupported"
}

{
  "code": "INTERNAL_ERROR",
  "status": 500,
  "title": "Internal Server Error",
  "type": "https://photon.codes/docs/problems/internal-error"
}

{
  "code": "UPSTREAM_FAILURE",
  "status": 502,
  "title": "Upstream Service Failure",
  "type": "https://photon.codes/docs/problems/upstream-failure"
}

{
  "code": "UPSTREAM_UNAVAILABLE",
  "status": 503,
  "title": "Upstream Service Unavailable",
  "type": "https://photon.codes/docs/problems/upstream-unavailable"
}

{
  "code": "UPSTREAM_TIMEOUT",
  "status": 504,
  "title": "Upstream Service Timeout",
  "type": "https://photon.codes/docs/problems/upstream-timeout"
}