curl --request POST \
  --url https://api.photon.codes/v1/installation-requests \
  --header 'Content-Type: application/json' \
  --data '
{
  "appId": "<string>",
  "clientAssertion": "<string>",
  "redirectUri": "<string>",
  "state": "<string>"
}
'

import requests

url = "https://api.photon.codes/v1/installation-requests"

payload = {
    "appId": "<string>",
    "clientAssertion": "<string>",
    "redirectUri": "<string>",
    "state": "<string>"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    appId: '<string>',
    clientAssertion: '<string>',
    redirectUri: '<string>',
    state: '<string>'
  })
};

fetch('https://api.photon.codes/v1/installation-requests', 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/installation-requests",
  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([
    'appId' => '<string>',
    'clientAssertion' => '<string>',
    'redirectUri' => '<string>',
    'state' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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/installation-requests"

	payload := strings.NewReader("{\n  \"appId\": \"<string>\",\n  \"clientAssertion\": \"<string>\",\n  \"redirectUri\": \"<string>\",\n  \"state\": \"<string>\"\n}")

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

	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/installation-requests")
  .header("Content-Type", "application/json")
  .body("{\n  \"appId\": \"<string>\",\n  \"clientAssertion\": \"<string>\",\n  \"redirectUri\": \"<string>\",\n  \"state\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.photon.codes/v1/installation-requests")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"appId\": \"<string>\",\n  \"clientAssertion\": \"<string>\",\n  \"redirectUri\": \"<string>\",\n  \"state\": \"<string>\"\n}"

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

{
  "appId": "<string>",
  "appVersion": "<string>",
  "createdAt": "2026-01-01T00:00:00.000Z",
  "redirectUri": "<string>",
  "requestId": "<string>",
  "state": "<string>"
}

{
  "code": "INVALID_ARGUMENT",
  "status": 400,
  "title": "Invalid Argument",
  "type": "https://photon.codes/docs/problems/invalid-argument"
}

{
  "code": "APP_INSTALLATION_ASSERTION_INVALID",
  "status": 401,
  "title": "Invalid Installation Client Assertion",
  "type": "https://photon.codes/docs/problems/app-installation-assertion-invalid"
}

{
  "code": "APP_INSTALLATION_ASSERTION_REPLAYED",
  "status": 409,
  "title": "Installation Assertion Already Used",
  "type": "https://photon.codes/docs/problems/app-installation-assertion-replayed"
}

{
  "code": "VALIDATION_FAILED",
  "issues": [
    {
      "code": "invalid_type",
      "location": "json",
      "message": "Expected a string.",
      "path": "/name"
    }
  ],
  "status": 422,
  "title": "Request Validation Failed",
  "type": "https://photon.codes/docs/problems/validation-failed"
}

{
  "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"
}