curl -X PATCH https://invoice.horizonpay.co/api/v1/products/prod_Hy7Rq2Lm9Xc4Vb8Nt3Kd6Pw1 \
  -H "Authorization: Bearer $INVOICE_AI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "description": "Monthly advisory block, up to 10 hours." }'

import InvoiceAI from '@horizonpay/invoice-ai'

const invoiceai = new InvoiceAI() // reads INVOICE_AI_API_KEY

const product = await invoiceai.products.update('prod_Hy7Rq2Lm9Xc4Vb8Nt3Kd6Pw1', {
  description: 'Monthly advisory block, up to 10 hours.',
})
console.log(product.description)

from invoice_ai import InvoiceAI

client = InvoiceAI()  # reads INVOICE_AI_API_KEY

product = client.products.update(
    "prod_Hy7Rq2Lm9Xc4Vb8Nt3Kd6Pw1",
    description="Monthly advisory block, up to 10 hours.",
)
print(product.description)

{
  "data": {
    "id": "prod_Hy7Rq2Lm9Xc4Vb8Nt3Kd6Pw1",
    "object": "product",
    "name": "Consulting retainer",
    "description": "Monthly advisory block, up to 10 hours.",
    "images": [],
    "active": true,
    "created": "2026-09-22T09:30:00.000Z",
    "updated": "2026-09-22T09:45:00.000Z"
  }
}

{
  "type": "https://invoice.horizonpay.co/problems/unauthorized",
  "title": "Unauthorized",
  "status": 401,
  "detail": "Send your API key as `Authorization: Bearer inv_live_…`.",
  "instance": "req_7f3c9a1e2b4d4e8a9c6f2d1b0a3e5f71",
  "code": "unauthorized"
}

{
  "type": "https://invoice.horizonpay.co/problems/forbidden",
  "title": "Insufficient scope",
  "status": 403,
  "detail": "This credential is missing the invoices:write scope.",
  "instance": "req_7f3c9a1e2b4d4e8a9c6f2d1b0a3e5f71",
  "code": "forbidden"
}

{
  "type": "https://invoice.horizonpay.co/problems/not-found",
  "title": "Not found",
  "status": 404,
  "detail": "Product not found.",
  "instance": "req_7f3c9a1e2b4d4e8a9c6f2d1b0a3e5f71",
  "code": "not_found"
}

{
  "type": "https://invoice.horizonpay.co/problems/validation",
  "title": "Validation failed",
  "status": 422,
  "detail": "Some fields need attention.",
  "instance": "req_7f3c9a1e2b4d4e8a9c6f2d1b0a3e5f71",
  "code": "validation",
  "errors": [
    {
      "path": "images.0",
      "message": "Enter a valid image URL"
    }
  ]
}

{
  "type": "https://invoice.horizonpay.co/problems/rate-limited",
  "title": "Too many requests",
  "status": 429,
  "detail": "Rate limit of 120 per 60s exceeded.",
  "instance": "req_7f3c9a1e2b4d4e8a9c6f2d1b0a3e5f71",
  "code": "rate_limited"
}