curl --request POST \
  --url https://api.melso.ai/v1/companies/{company_id}/cases \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "kind": "alta",
  "details": {
    "start_date": "2026-12-01",
    "activity": "Diseño gráfico para empresas"
  },
  "note": "Empieza a facturar el 1 de diciembre.",
  "submit": true
}
'

import requests

url = "https://api.melso.ai/v1/companies/{company_id}/cases"

payload = {
    "kind": "alta",
    "details": {
        "start_date": "2026-12-01",
        "activity": "Diseño gráfico para empresas"
    },
    "note": "Empieza a facturar el 1 de diciembre.",
    "submit": True
}
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({
    kind: 'alta',
    details: {start_date: '2026-12-01', activity: 'Diseño gráfico para empresas'},
    note: 'Empieza a facturar el 1 de diciembre.',
    submit: true
  })
};

fetch('https://api.melso.ai/v1/companies/{company_id}/cases', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "kind": "modelo",
  "status": "draft",
  "created_at": "2023-11-07T05:31:56Z",
  "deadline": "2023-12-25",
  "current_version": 123,
  "approved_version": 123,
  "payment_url": "<string>",
  "information_request": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "items": [
      {
        "id": "<string>",
        "kind": "document",
        "label": "<string>"
      }
    ]
  },
  "messages": [
    {
      "author": "company",
      "content": "<string>",
      "created_at": "2023-11-07T05:31:56Z"
    }
  ],
  "documents": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "filename": "<string>",
      "content_type": "<string>",
      "size_bytes": 123,
      "url": "<string>"
    }
  ],
  "external_reference": "<string>",
  "completed_on": "2023-12-25",
  "updated_at": "2023-11-07T05:31:56Z"
}

{
  "error": "lines[0].vat_rate must be 21, 10, 4 or 0",
  "code": "invalid_invoice",
  "request_id": "req_01JAB3K9X2"
}

{
  "error": "invalid token",
  "code": "unauthorized",
  "request_id": "req_01JAB3K9X2"
}

{
  "error": "The tax service is not active for this company",
  "code": "tax_service_required",
  "request_id": "req_01JAB3K9X2"
}

{
  "error": "The tax return changed or is not ready for approval",
  "code": "version_conflict",
  "request_id": "req_01JAB3K9X2"
}