diff --git a/src/FiscalOS.API/Institutions/Get/Endpoint.cs b/src/FiscalOS.API/Institutions/Get/Endpoint.cs
index a315cd2..5df5a15 100644
--- a/src/FiscalOS.API/Institutions/Get/Endpoint.cs
+++ b/src/FiscalOS.API/Institutions/Get/Endpoint.cs
@@ -18,6 +18,7 @@ internal static class Endpoint
 
     var user = await appDbContext.Users
       .Include(u => u.Institutions)
+      .ThenInclude(i => i.Accounts)
       .FirstOrDefaultAsync(u => u.Id == userId);
 
     if (user is null)
@@ -26,7 +27,7 @@ internal static class Endpoint
     }
 
     var institutionDtos = user.Institutions
-      .Select(InstitutionDto.FromInstitution)
+      .Select(InstitutionDto.From)
       .OrderBy(dto => dto.Name);
 
     return Results.Ok(Response.From(institutionDtos));
diff --git a/src/FiscalOS.API/Institutions/Get/Response.cs b/src/FiscalOS.API/Institutions/Get/Response.cs
index 85d5dac..934bcec 100644
--- a/src/FiscalOS.API/Institutions/Get/Response.cs
+++ b/src/FiscalOS.API/Institutions/Get/Response.cs
@@ -18,22 +18,44 @@ internal sealed record Response
   }
 }
 
+internal sealed record AccountDto
+{
+  public string Id { get; init; } = string.Empty;
+  public string Name { get; init; } = string.Empty;
+
+  [JsonConstructor]
+  private AccountDto()
+  {
+  }
+
+  public static AccountDto From(Account account)
+  {
+    return new()
+    {
+      Id = account.Id.ToString(),
+      Name = account.Name,
+    };
+  }
+}
+
 internal sealed record InstitutionDto
 {
   public string Id { get; init; } = string.Empty;
   public string Name { get; init; } = string.Empty;
+  public IEnumerable<AccountDto> Accounts { get; init; } = [];
 
   [JsonConstructor]
   private InstitutionDto()
   {
   }
 
-  public static InstitutionDto FromInstitution(Institution institution)
+  public static InstitutionDto From(Institution institution)
   {
-    return new InstitutionDto
+    return new()
     {
       Id = institution.Id.ToString(),
       Name = institution.Name,
+      Accounts = institution.Accounts.Select(AccountDto.From),
     };
   }
 }
\ No newline at end of file
diff --git a/src/FiscalOS.API/Institutions/GetAvailable/Endpoint.cs b/src/FiscalOS.API/Institutions/GetAvailable/Endpoint.cs
index 18e4c86..5845067 100644
--- a/src/FiscalOS.API/Institutions/GetAvailable/Endpoint.cs
+++ b/src/FiscalOS.API/Institutions/GetAvailable/Endpoint.cs
@@ -44,7 +44,7 @@ internal static class Endpoint
 
     var accessToken = await encryptor.DecryptAsyncFor(user, plaidMetadata.EncryptedAccessToken, ct);
     var accounts = await plaidService.GetAccountsAsync(accessToken);
-    var accountsDtos = accounts.Select(AccountDto.FromPlaidAccount);
+    var accountsDtos = accounts.Select(a => AvailableAccountDto.From(plaidMetadata, a));
 
     return Results.Ok(Response.From(accountsDtos));
   }
diff --git a/src/FiscalOS.API/Institutions/GetAvailable/Response.cs b/src/FiscalOS.API/Institutions/GetAvailable/Response.cs
index a7c6dd1..ba81b16 100644
--- a/src/FiscalOS.API/Institutions/GetAvailable/Response.cs
+++ b/src/FiscalOS.API/Institutions/GetAvailable/Response.cs
@@ -2,14 +2,14 @@ namespace FiscalOS.API.Institutions.GetAvailable;
 
 internal sealed record Response
 {
-  public IEnumerable<AccountDto> Accounts { get; init; } = [];
+  public IEnumerable<AvailableAccountDto> Accounts { get; init; } = [];
 
   [JsonConstructor]
   private Response()
   {
   }
 
-  public static Response From(IEnumerable<AccountDto> accounts)
+  public static Response From(IEnumerable<AvailableAccountDto> accounts)
   {
     return new Response
     {
@@ -18,8 +18,9 @@ internal sealed record Response
   }
 }
 
-internal sealed record AccountDto
+internal sealed record AvailableAccountDto
 {
+  public string ProviderInstitutionId { get; init; } = string.Empty;
   public string ProviderId { get; init; } = string.Empty;
   public string ProviderName { get; init; } = string.Empty;
   public decimal CurrentBalance { get; init; }
@@ -27,14 +28,18 @@ internal sealed record AccountDto
   public string CurrencyCode { get; init; } = string.Empty;
 
   [JsonConstructor]
-  private AccountDto()
+  private AvailableAccountDto()
   {
   }
 
-  public static AccountDto FromPlaidAccount(Going.Plaid.Entity.Account plaidAccount)
+  public static AvailableAccountDto From(
+    PlaidMetadata plaidMetadata,
+    Going.Plaid.Entity.Account plaidAccount
+  )
   {
-    return new AccountDto
+    return new AvailableAccountDto
     {
+      ProviderInstitutionId = plaidMetadata.PlaidId,
       ProviderId = plaidAccount.AccountId,
       ProviderName = plaidAccount.Name,
       AvailableBalance = plaidAccount.Available,