diff --git a/OdooTool.sln b/OdooTool.sln
new file mode 100644
index 0000000..29f0e1a
--- /dev/null
+++ b/OdooTool.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36623.8 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OdooTool", "OdooTool\OdooTool.csproj", "{2548C905-823E-4986-B8AC-C0D2F42990FB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{2548C905-823E-4986-B8AC-C0D2F42990FB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2548C905-823E-4986-B8AC-C0D2F42990FB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2548C905-823E-4986-B8AC-C0D2F42990FB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2548C905-823E-4986-B8AC-C0D2F42990FB}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {61AD41D9-DB20-4415-8F92-804E7A3A60C4}
+	EndGlobalSection
+EndGlobal
diff --git a/OdooTool/OdooTool.csproj b/OdooTool/OdooTool.csproj
new file mode 100644
index 0000000..cd3b4d2
--- /dev/null
+++ b/OdooTool/OdooTool.csproj
@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Kveer.XmlRPC" Version="1.3.1" />
+    <PackageReference Include="Microsoft.Data.Sqlite" Version="10.0.1" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.0" />
+  </ItemGroup>
+
+</Project>
diff --git a/OdooTool/Program.cs b/OdooTool/Program.cs
new file mode 100644
index 0000000..3056af7
--- /dev/null
+++ b/OdooTool/Program.cs
@@ -0,0 +1,339 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+
+class Program
+{
+    static async Task Main()
+    {
+        string url = "https://testsync1.odoo.com/jsonrpc";
+        string db = "testsync1";
+        string username = "*";
+        string password = "*";
+
+        using var http = new HttpClient();
+
+        Console.WriteLine("Verbinden met Odoo...");
+        int uid = await LoginOdoo(http, url, db, username, password);
+        if (uid == -1) return;
+
+        Console.WriteLine("Producten ophalen uit Odoo...");
+        var odooProducts = await GetOdooProducts(http, url, db, uid, password);
+        Console.WriteLine($"{odooProducts.Count} Odoo producten gevonden");
+
+        using var dbContext = new ToolContext();
+        var dbArtikels = dbContext.Artikels.Include(a => a.LevArtikels).ToList();
+        Console.WriteLine($"{dbArtikels.Count} artikelen in DB");
+
+        int matchCount = 0;
+        int supplierCreateCount = 0;
+        int supplierUpdateCount = 0;
+
+        foreach (var odoo in odooProducts)
+        {
+            if (string.IsNullOrWhiteSpace(odoo.Name) ||
+                string.IsNullOrWhiteSpace(odoo.DefaultCode))
+                continue;
+
+            var matches = dbArtikels
+                .Where(a =>
+                    a.ArtikelNaam != null &&
+                    a.FactoryNR != null &&
+                    a.ArtikelNaam.Trim().Equals(odoo.Name.Trim(), StringComparison.OrdinalIgnoreCase) &&
+                    a.FactoryNR.Trim().Equals(odoo.DefaultCode.Trim(), StringComparison.OrdinalIgnoreCase) &&
+                    (string.IsNullOrEmpty(a.EAN) ||
+                     string.IsNullOrEmpty(odoo.Barcode) ||
+                     a.EAN == odoo.Barcode)
+                )
+                .ToList();
+
+            foreach (var artikel in matches)
+            {
+                matchCount++;
+
+                if (artikel.InOdoo == 0)
+                    artikel.InOdoo = 1;
+
+                foreach (var lev in artikel.LevArtikels)
+                {
+                    int? partnerId = await GetOdooPartnerId(http, url, db, uid, password, lev.LevID);
+                    if (partnerId == null)
+                    {
+                        Console.WriteLine($"Leverancier ID {lev.LevID} bestaat niet in Odoo");
+                        continue;
+                    }
+
+                    int? supplierId = await GetOdooSupplierInfoId(
+                        http, url, db, uid, password, odoo.Id, partnerId.Value);
+
+                    if (supplierId.HasValue)
+                    {
+                        bool updated = await UpdateOdooSupplierInfo(
+                            http, url, db, uid, password,
+                            supplierId.Value,
+                            lev.Inkoopprijs ?? 0,
+                            lev.ArtikelNRLev ?? ""
+                        );
+                        if (updated) supplierUpdateCount++;
+                    }
+                    else
+                    {
+                        bool created = await CreateOdooSupplierInfo(
+                            http, url, db, uid, password,
+                            odoo.TemplateId, partnerId.Value,
+                            lev.ArtikelNRLev ?? "", lev.Inkoopprijs ?? 0);
+                        if (created) supplierCreateCount++;
+                    }
+                }
+            }
+        }
+
+        dbContext.SaveChanges();
+
+        Console.WriteLine("------------ RESULTAAT ------------");
+        Console.WriteLine($"Matches gevonden: {matchCount}");
+        Console.WriteLine($"SupplierInfo aangemaakt: {supplierCreateCount}");
+        Console.WriteLine($"SupplierInfo geüpdatet: {supplierUpdateCount}");
+        Console.WriteLine("----------------------------------");
+    }
+
+    static async Task<int> LoginOdoo(HttpClient http, string url, string db, string username, string password)
+    {
+        var payload = new
+        {
+            jsonrpc = "2.0",
+            method = "call",
+            @params = new
+            {
+                service = "common",
+                method = "authenticate",
+                args = new object[] { db, username, password, new { } }
+            },
+            id = 1
+        };
+
+        var response = await http.PostAsync(
+            url,
+            new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json"));
+
+        var text = await response.Content.ReadAsStringAsync();
+        using var doc = JsonDocument.Parse(text);
+
+        if (doc.RootElement.TryGetProperty("result", out var result) &&
+            result.ValueKind == JsonValueKind.Number)
+        {
+            Console.WriteLine($"Ingelogd (UID {result.GetInt32()})");
+            return result.GetInt32();
+        }
+
+        Console.WriteLine("Login mislukt");
+        return -1;
+    }
+
+    class OdooProduct
+    {
+        public int Id { get; set; }
+        public string? Name { get; set; }
+        public string? DefaultCode { get; set; }
+        public string? Barcode { get; set; }
+        public decimal ListPrice { get; set; }
+        public int TemplateId { get; set; }
+    }
+
+    static async Task<List<OdooProduct>> GetOdooProducts(HttpClient http, string url, string db, int uid, string password)
+    {
+        var payload = new
+        {
+            jsonrpc = "2.0",
+            method = "call",
+            @params = new
+            {
+                service = "object",
+                method = "execute_kw",
+                args = new object[]
+                {
+                    db, uid, password,
+                    "product.product", "search_read",
+                    new object[] { },
+                    new { fields = new[] { "id", "name", "default_code", "barcode", "list_price", "product_tmpl_id" } }
+                }
+            },
+            id = 2
+        };
+
+        var response = await http.PostAsync(
+            url,
+            new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json"));
+
+        var text = await response.Content.ReadAsStringAsync();
+        using var doc = JsonDocument.Parse(text);
+
+        if (!doc.RootElement.TryGetProperty("result", out var result) ||
+            result.ValueKind != JsonValueKind.Array)
+            return new List<OdooProduct>();
+
+        var list = new List<OdooProduct>();
+
+        foreach (var item in result.EnumerateArray())
+        {
+            if (!item.TryGetProperty("id", out var idElem) || idElem.ValueKind != JsonValueKind.Number)
+                continue;
+
+            int templateId = 0;
+            if (item.TryGetProperty("product_tmpl_id", out var tmpl))
+            {
+                var maybe = GetIntFromJsonElement(tmpl);
+                if (maybe.HasValue) templateId = maybe.Value;
+            }
+
+            list.Add(new OdooProduct
+            {
+                Id = idElem.GetInt32(),
+                Name = item.TryGetProperty("name", out var n) && n.ValueKind == JsonValueKind.String ? n.GetString() : null,
+                DefaultCode = item.TryGetProperty("default_code", out var d) && d.ValueKind == JsonValueKind.String ? d.GetString() : null,
+                Barcode = item.TryGetProperty("barcode", out var b) && b.ValueKind == JsonValueKind.String ? b.GetString() : null,
+                ListPrice = item.TryGetProperty("list_price", out var p) && p.ValueKind == JsonValueKind.Number ? p.GetDecimal() : 0,
+                TemplateId = templateId
+            });
+        }
+
+        return list;
+    }
+
+    static int? GetIntFromJsonElement(JsonElement e)
+    {
+        if (e.ValueKind == JsonValueKind.Number)
+            return e.GetInt32();
+
+        if (e.ValueKind == JsonValueKind.Array)
+        {
+            var arr = e.EnumerateArray();
+            if (arr.MoveNext() && arr.Current.ValueKind == JsonValueKind.Number)
+                return arr.Current.GetInt32();
+        }
+
+        if (e.ValueKind == JsonValueKind.Object &&
+            e.TryGetProperty("id", out var idProp) &&
+            idProp.ValueKind == JsonValueKind.Number)
+            return idProp.GetInt32();
+
+        return null;
+    }
+
+    static async Task<int?> GetOdooPartnerId(HttpClient http, string url, string db, int uid, string password, int levId)
+    {
+        return levId;
+    }
+
+    static async Task<int?> GetOdooSupplierInfoId(HttpClient http, string url, string db, int uid, string password, int productId, int partnerId)
+    {
+        return null;
+    }
+
+    static async Task<bool> CreateOdooSupplierInfo(HttpClient http, string url, string db, int uid, string password,
+        int templateId, int partnerId, string productCode, decimal price)
+    {
+        var payload = new
+        {
+            jsonrpc = "2.0",
+            method = "call",
+            @params = new
+            {
+                service = "object",
+                method = "execute_kw",
+                args = new object[]
+                {
+                    db, uid, password,
+                    "product.supplierinfo", "create",
+                    new
+                    {
+                        product_tmpl_id = templateId,
+                        name = partnerId,
+                        product_code = productCode,
+                        price = price,
+                        delay = 0
+                    }
+                }
+            },
+            id = 3
+        };
+
+        var response = await http.PostAsync(
+            url,
+            new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json"));
+
+        return response.IsSuccessStatusCode;
+    }
+
+    static async Task<bool> UpdateOdooSupplierInfo(HttpClient http, string url, string db, int uid, string password,
+        int supplierId, decimal price, string productCode)
+    {
+        var payload = new
+        {
+            jsonrpc = "2.0",
+            method = "call",
+            @params = new
+            {
+                service = "object",
+                method = "execute_kw",
+                args = new object[]
+                {
+                    db, uid, password,
+                    "product.supplierinfo", "write",
+                    new object[] { new int[] { supplierId }, new { price = price, product_code = productCode } }
+                }
+            },
+            id = 4
+        };
+
+        var response = await http.PostAsync(
+            url,
+            new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json"));
+
+        return response.IsSuccessStatusCode;
+    }
+
+    public class ToolContext : DbContext
+    {
+        public DbSet<Artikel> Artikels { get; set; } = null!;
+        public DbSet<LevArtikel> LevArtikels { get; set; } = null!;
+        public DbSet<Leverancier> Leveranciers { get; set; } = null!;
+
+        protected override void OnConfiguring(DbContextOptionsBuilder options)
+            => options.UseSqlite("Data Source=Tool.db");
+    }
+
+    public class Artikel
+    {
+        public int ID { get; set; }
+        public string? FactoryNR { get; set; }
+        public string? ArtikelNaam { get; set; }
+        public string? EAN { get; set; }
+        public int InOdoo { get; set; }
+        public List<LevArtikel> LevArtikels { get; set; } = new();
+    }
+
+    public class LevArtikel
+    {
+        public int ID { get; set; }
+        public int ArtikelID { get; set; }
+        public int LevID { get; set; }
+        public string? ArtikelNRLev { get; set; }
+        public decimal? Inkoopprijs { get; set; }
+        public decimal? Korting { get; set; }
+        public string? LeverTijd { get; set; }
+        public string? Omschrijving { get; set; }
+        public bool Leverbaar { get; set; }
+    }
+
+    public class Leverancier
+    {
+        public int ID { get; set; }
+        public string? Naam { get; set; }
+    }
+}