Start or reuse a participation check

curl --request POST \
  --url https://api.gratona.com/v1/admin/programs/{program_id}/participation/sessions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "participation_period_id": 42,
  "program_site_id": 42,
  "scheduled_for": "2026-10-20",
  "primary_evidence_source": "staff_confirmation",
  "idempotency_key": "participation-check-2026-10-20-campus-42",
  "program_cohort_id": 42,
  "session_type": "roster_verification",
  "source_note": "<string>"
}
'

import requests

url = "https://api.gratona.com/v1/admin/programs/{program_id}/participation/sessions"

payload = {
    "participation_period_id": 42,
    "program_site_id": 42,
    "scheduled_for": "2026-10-20",
    "primary_evidence_source": "staff_confirmation",
    "idempotency_key": "participation-check-2026-10-20-campus-42",
    "program_cohort_id": 42,
    "session_type": "roster_verification",
    "source_note": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    participation_period_id: 42,
    program_site_id: 42,
    scheduled_for: '2026-10-20',
    primary_evidence_source: 'staff_confirmation',
    idempotency_key: 'participation-check-2026-10-20-campus-42',
    program_cohort_id: 42,
    session_type: 'roster_verification',
    source_note: '<string>'
  })
};

fetch('https://api.gratona.com/v1/admin/programs/{program_id}/participation/sessions', 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.gratona.com/v1/admin/programs/{program_id}/participation/sessions",
  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([
    'participation_period_id' => 42,
    'program_site_id' => 42,
    'scheduled_for' => '2026-10-20',
    'primary_evidence_source' => 'staff_confirmation',
    'idempotency_key' => 'participation-check-2026-10-20-campus-42',
    'program_cohort_id' => 42,
    'session_type' => 'roster_verification',
    'source_note' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.gratona.com/v1/admin/programs/{program_id}/participation/sessions"

	payload := strings.NewReader("{\n  \"participation_period_id\": 42,\n  \"program_site_id\": 42,\n  \"scheduled_for\": \"2026-10-20\",\n  \"primary_evidence_source\": \"staff_confirmation\",\n  \"idempotency_key\": \"participation-check-2026-10-20-campus-42\",\n  \"program_cohort_id\": 42,\n  \"session_type\": \"roster_verification\",\n  \"source_note\": \"<string>\"\n}")

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

	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.gratona.com/v1/admin/programs/{program_id}/participation/sessions")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"participation_period_id\": 42,\n  \"program_site_id\": 42,\n  \"scheduled_for\": \"2026-10-20\",\n  \"primary_evidence_source\": \"staff_confirmation\",\n  \"idempotency_key\": \"participation-check-2026-10-20-campus-42\",\n  \"program_cohort_id\": 42,\n  \"session_type\": \"roster_verification\",\n  \"source_note\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gratona.com/v1/admin/programs/{program_id}/participation/sessions")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"participation_period_id\": 42,\n  \"program_site_id\": 42,\n  \"scheduled_for\": \"2026-10-20\",\n  \"primary_evidence_source\": \"staff_confirmation\",\n  \"idempotency_key\": \"participation-check-2026-10-20-campus-42\",\n  \"program_cohort_id\": 42,\n  \"session_type\": \"roster_verification\",\n  \"source_note\": \"<string>\"\n}"

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

{
  "id": 123,
  "program_id": 123,
  "scheduled_for": "2023-12-25",
  "revision": 123,
  "supersedes_session_id": 123,
  "lock_version": 123,
  "partial_reason": "<string>",
  "source_note": "<string>",
  "submitted_at": "2023-11-07T05:31:56Z",
  "voided_at": "2023-11-07T05:31:56Z",
  "void_reason": "<string>",
  "available_new_entrants_count": 123,
  "period": {
    "id": 123,
    "name": "<string>"
  },
  "site": {
    "id": 123,
    "name": "<string>"
  },
  "cohort": {
    "id": 123,
    "name": "<string>"
  },
  "session_type": "roster_verification",
  "status": "draft",
  "series_uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "primary_evidence_source": "official_record",
  "counts": {
    "expected": 123,
    "seen": 123,
    "confirmed_enrolled": 123,
    "unresolved": 123,
    "not_checked": 123,
    "not_expected": 123,
    "new_entrant": 123
  },
  "observations": [
    {
      "id": 123,
      "entity_id": 123,
      "gratona_id": 123,
      "display_name": "<string>",
      "is_archived": true,
      "thumbnail_url": "<string>",
      "site_name": "<string>",
      "cohort_name": "<string>",
      "expected_in_roster": true,
      "is_new_entrant": true,
      "reason_code": "<string>",
      "note": "<string>",
      "effective_on": "2023-12-25",
      "destination_program_site_id": 123,
      "destination_program_cohort_id": 123,
      "destination_recipient_placement_id": 123,
      "follow_up": {
        "id": 123,
        "due_date": "2023-12-25"
      },
      "encounter_status": "seen",
      "enrollment_confirmation": "confirmed_enrolled",
      "evidence_source": "official_record"
    }
  ]
}

{
  "id": 123,
  "program_id": 123,
  "scheduled_for": "2023-12-25",
  "revision": 123,
  "supersedes_session_id": 123,
  "lock_version": 123,
  "partial_reason": "<string>",
  "source_note": "<string>",
  "submitted_at": "2023-11-07T05:31:56Z",
  "voided_at": "2023-11-07T05:31:56Z",
  "void_reason": "<string>",
  "available_new_entrants_count": 123,
  "period": {
    "id": 123,
    "name": "<string>"
  },
  "site": {
    "id": 123,
    "name": "<string>"
  },
  "cohort": {
    "id": 123,
    "name": "<string>"
  },
  "session_type": "roster_verification",
  "status": "draft",
  "series_uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "primary_evidence_source": "official_record",
  "counts": {
    "expected": 123,
    "seen": 123,
    "confirmed_enrolled": 123,
    "unresolved": 123,
    "not_checked": 123,
    "not_expected": 123,
    "new_entrant": 123
  },
  "observations": [
    {
      "id": 123,
      "entity_id": 123,
      "gratona_id": 123,
      "display_name": "<string>",
      "is_archived": true,
      "thumbnail_url": "<string>",
      "site_name": "<string>",
      "cohort_name": "<string>",
      "expected_in_roster": true,
      "is_new_entrant": true,
      "reason_code": "<string>",
      "note": "<string>",
      "effective_on": "2023-12-25",
      "destination_program_site_id": 123,
      "destination_program_cohort_id": 123,
      "destination_recipient_placement_id": 123,
      "follow_up": {
        "id": 123,
        "due_date": "2023-12-25"
      },
      "encounter_status": "seen",
      "enrollment_confirmation": "confirmed_enrolled",
      "evidence_source": "official_record"
    }
  ]
}

{
  "message": "Unauthorized",
  "status": "error"
}

{
  "message": "Something went wrong. Please try again.",
  "status": "error",
  "error": "invalid_request",
  "code": "DONOR_NOT_FOUND"
}

{
  "message": "Not Found",
  "status": "error"
}

{
  "errors": {},
  "status": "error",
  "message": "The given data was invalid."
}