Batch upsert products by external ID

Create or update multiple products by external system ID. Supports up to 100 products per request with stale update protection.

Related endpoints

• GET /products — List products
• POST /products — Create product
• GET /products/{id} — Get product by ID
• PATCH /products/{id} — Update product
• PUT /products/external/{source}/{externalId} — Upsert product by external ID

Common errors

• 400 invalid_request — malformed payload or failed validation.
• 401 unauthenticated — missing, malformed, or revoked API key.
• 403 permission_denied — key lacks the required scope, or the resource belongs to a different merchant.

Idempotency

Pass an Idempotency-Key header (UUID v4 recommended) to make retries safe. Keys are valid for 24 hours; see the idempotency guide.

curl -X PUT "https://api.revkeen.com/v2/products/external/batch" \
  -H "x-api-key: $REVKEEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "source": "practicehub",
    "products": [
      {
        "external_id": "prod_12345",
        "name": "Monthly Membership",
        "description": "string",
        "kind": "subscription",
        "amount_cents": 9900,
        "currency": "USD",
        "is_active": true,
        "interval": "month",
        "interval_count": 1,
        "external_updated_at": "2026-01-01T00:00:00Z",
        "external_ref": "string",
        "metadata": {}
      }
    ]
  }'

{
  "created": 5,
  "updated": 10,
  "skipped": 2,
  "failed": [
    {
      "external_id": "string",
      "error": "string"
    }
  ]
}

{
  "error": "Bad request"
}

{
  "error": "Unauthorized"
}

{
  "error": "Forbidden"
}