curl "https://api.neuraldraft.io/v1/availability?service_id=12&from=2026-04-19&to=2026-04-26" \
  -H "Authorization: Bearer ndsk_live_yourkey"

const slots = await nd.availability.lookup({ serviceId: 12, from: "2026-04-19", to: "2026-04-26" });

slots = requests.get("https://api.neuraldraft.io/v1/availability",
  params={"service_id": 12, "from":"2026-04-19", "to":"2026-04-26"},
  headers={"Authorization": f"Bearer {key}"}).json()

<?php
$slots = json_decode((string) $client->get('availability', [
  'query' => ['service_id' => 12, 'from' => '2026-04-19', 'to' => '2026-04-26'],
  'headers' => ['Authorization' => 'Bearer '.$key],
])->getBody(), true);

{
  "data": {
    "2026-04-19": [
      {
        "start": "2026-04-19T09:00:00Z",
        "end": "2026-04-19T10:00:00Z",
        "capacity_remaining": 1
      },
      {
        "start": "2026-04-19T10:30:00Z",
        "end": "2026-04-19T11:30:00Z",
        "capacity_remaining": 1
      }
    ],
    "2026-04-20": [
      {
        "start": "2026-04-20T18:00:00Z",
        "end": "2026-04-20T19:00:00Z",
        "capacity_remaining": 1
      }
    ]
  }
}

{
  "type": "https://api.neuraldraft.io/errors/bad_request",
  "title": "Bad request",
  "status": 400,
  "detail": "Request body could not be parsed.",
  "code": "bad_request",
  "instance": "req_2Nh4PqRsTuVw"
}

{
  "type": "https://api.neuraldraft.io/errors/not_found",
  "title": "Not found",
  "status": 404,
  "detail": "No such resource.",
  "code": "not_found",
  "instance": "req_2Nh4PqRsTuVw"
}