diff --git a/cmd/serve.go b/cmd/serve.go
index 303a416bf..3baffcb9a 100644
--- a/cmd/serve.go
+++ b/cmd/serve.go
@@ -1,16 +1,20 @@
 package cmd
 
 import (
+	"net/http"
+	"net/http/pprof"
+	"time"
+
 	apilib "github.com/formancehq/go-libs/v2/api"
 	"github.com/formancehq/go-libs/v2/health"
 	"github.com/formancehq/go-libs/v2/httpserver"
 	"github.com/formancehq/go-libs/v2/otlp"
+
 	"github.com/formancehq/ledger/internal/storage/driver"
 	"github.com/go-chi/chi/v5"
 	"go.opentelemetry.io/otel/sdk/metric"
-	"net/http"
-	"net/http/pprof"
-	"time"
+
+	"github.com/formancehq/ledger/internal/bus"
 
 	"github.com/formancehq/go-libs/v2/auth"
 	"github.com/formancehq/go-libs/v2/aws/iam"
@@ -19,7 +23,7 @@ import (
 	"github.com/formancehq/go-libs/v2/otlp/otlptraces"
 	"github.com/formancehq/go-libs/v2/publish"
 	"github.com/formancehq/ledger/internal/api"
-	"github.com/formancehq/ledger/internal/bus"
+
 	ledgercontroller "github.com/formancehq/ledger/internal/controller/ledger"
 	systemcontroller "github.com/formancehq/ledger/internal/controller/system"
 	"github.com/formancehq/ledger/internal/storage"
@@ -35,6 +39,7 @@ const (
 	BallastSizeInBytesFlag     = "ballast-size"
 	NumscriptCacheMaxCountFlag = "numscript-cache-max-count"
 	AutoUpgradeFlag            = "auto-upgrade"
+	NumscriptInterpreterFlag   = "numscript-interpreter"
 )
 
 func NewServeCommand() *cobra.Command {
@@ -104,6 +109,7 @@ func NewServeCommand() *cobra.Command {
 	cmd.Flags().Uint(NumscriptCacheMaxCountFlag, 1024, "Numscript cache max count")
 	cmd.Flags().Bool(AutoUpgradeFlag, false, "Automatically upgrade all schemas")
 	cmd.Flags().String(BindFlag, "0.0.0.0:3068", "API bind address")
+	cmd.Flags().Bool(NumscriptInterpreterFlag, false, "Enable experimental numscript rewrite")
 
 	service.AddFlags(cmd.Flags())
 	bunconnect.AddFlags(cmd.Flags())
diff --git a/docs/api/README.md b/docs/api/README.md
index 3b7274369..92fd7272e 100644
--- a/docs/api/README.md
+++ b/docs/api/README.md
@@ -3187,6 +3187,8 @@ Authorization ( Scopes: ledger:write )
 |*anonymous*|NO_POSTINGS|
 |*anonymous*|LEDGER_NOT_FOUND|
 |*anonymous*|IMPORT|
+|*anonymous*|INTERPRETER_PARSE|
+|*anonymous*|INTERPRETER_RUNTIME|
 
 <h2 id="tocS_V2LedgerInfoResponse">V2LedgerInfoResponse</h2>
 <!-- backwards compatibility -->
diff --git a/go.mod b/go.mod
index 60698308c..c2f412bde 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/formancehq/ledger
 
-go 1.22.0
+go 1.22.1
 
 toolchain go1.22.7
 
@@ -13,7 +13,9 @@ require (
 	github.com/alitto/pond v1.9.2
 	github.com/antlr/antlr4/runtime/Go/antlr v1.4.10
 	github.com/bluele/gcache v0.0.2
+	github.com/formancehq/go-libs v1.7.2-0.20241014102030-f397c44a5d47
 	github.com/formancehq/go-libs/v2 v2.1.3-0.20241015114549-ea3d600bc087
+	github.com/formancehq/numscript v0.0.9-0.20241009144012-1150c14a1417
 	github.com/formancehq/stack/ledger/client v0.0.0-00010101000000-000000000000
 	github.com/go-chi/chi/v5 v5.1.0
 	github.com/go-chi/cors v1.2.1
@@ -56,6 +58,7 @@ require (
 	github.com/ThreeDotsLabs/watermill-kafka/v3 v3.0.5 // indirect
 	github.com/ThreeDotsLabs/watermill-nats/v2 v2.1.1 // indirect
 	github.com/ajg/form v1.5.1 // indirect
+	github.com/antlr4-go/antlr/v4 v4.13.1 // indirect
 	github.com/aws/aws-msk-iam-sasl-signer-go v1.0.0 // indirect
 	github.com/aws/aws-sdk-go-v2 v1.32.2 // indirect
 	github.com/aws/aws-sdk-go-v2/config v1.27.43 // indirect
@@ -179,6 +182,7 @@ require (
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
 	golang.org/x/crypto v0.28.0 // indirect
+	golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 // indirect
 	golang.org/x/net v0.30.0 // indirect
 	golang.org/x/sys v0.26.0 // indirect
 	golang.org/x/text v0.19.0 // indirect
diff --git a/go.sum b/go.sum
index 8d603c466..a90cc9f06 100644
--- a/go.sum
+++ b/go.sum
@@ -24,6 +24,8 @@ github.com/alitto/pond v1.9.2 h1:9Qb75z/scEZVCoSU+osVmQ0I0JOeLfdTDafrbcJ8CLs=
 github.com/alitto/pond v1.9.2/go.mod h1:xQn3P/sHTYcU/1BR3i86IGIrilcrGC2LiS+E2+CJWsI=
 github.com/antlr/antlr4/runtime/Go/antlr v1.4.10 h1:yL7+Jz0jTC6yykIK/Wh74gnTJnrGr5AyrNMXuA0gves=
 github.com/antlr/antlr4/runtime/Go/antlr v1.4.10/go.mod h1:F7bn7fEU90QkQ3tnmaTx3LTKLEDqnwWODIYppRQ5hnY=
+github.com/antlr4-go/antlr/v4 v4.13.1 h1:SqQKkuVZ+zWkMMNkjy5FZe5mr5WURWnlpmOuzYWrPrQ=
+github.com/antlr4-go/antlr/v4 v4.13.1/go.mod h1:GKmUxMtwp6ZgGwZSva4eWPC5mS6vUAmOABFgjdkM7Nw=
 github.com/aws/aws-msk-iam-sasl-signer-go v1.0.0 h1:UyjtGmO0Uwl/K+zpzPwLoXzMhcN9xmnR2nrqJoBrg3c=
 github.com/aws/aws-msk-iam-sasl-signer-go v1.0.0/go.mod h1:TJAXuFs2HcMib3sN5L0gUC+Q01Qvy3DemvA55WuC+iA=
 github.com/aws/aws-sdk-go-v2 v1.32.2 h1:AkNLZEyYMLnx/Q/mSKkcMqwNFXMAvFto9bNsHqcTduI=
@@ -97,8 +99,18 @@ github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/formancehq/go-libs/v2 v2.1.3-0.20241015114549-ea3d600bc087 h1:RT3kp/jbBmKfNCRkLlNiKZk5+BEbkHk4PGU+k1gWFlo=
 github.com/formancehq/go-libs/v2 v2.1.3-0.20241015114549-ea3d600bc087/go.mod h1:NTZO1uTcthk+OKpu+DGoZRkOSV8RVYHZdx0c4wVq5To=
+github.com/formancehq/go-libs v1.7.2-0.20241014102030-f397c44a5d47 h1:FxRRkcLvDj8mrnNQmItxZyrpctJ5KchwTnT9Q1uITrI=
+github.com/formancehq/go-libs v1.7.2-0.20241014102030-f397c44a5d47/go.mod h1:bvfMYwpyRQF6fBkBWty1HiCsKSyYe4RkaEYJEip9Lrw=
+github.com/formancehq/numscript v0.0.9-0.20241009144012-1150c14a1417 h1:LOd5hxnXDIBcehFrpW1OnXk+VSs0yJXeu1iAOO+Hji4=
+github.com/formancehq/numscript v0.0.9-0.20241009144012-1150c14a1417/go.mod h1:btuSv05cYwi9BvLRxVs5zrunU+O1vTgigG1T6UsawcY=
 github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
 github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
+github.com/gkampitakis/ciinfo v0.3.0 h1:gWZlOC2+RYYttL0hBqcoQhM7h1qNkVqvRCV1fOvpAv8=
+github.com/gkampitakis/ciinfo v0.3.0/go.mod h1:1NIwaOcFChN4fa/B0hEBdAb6npDlFL8Bwx4dfRLRqAo=
+github.com/gkampitakis/go-diff v1.3.2 h1:Qyn0J9XJSDTgnsgHRdz9Zp24RaJeKMUHg2+PDZZdC4M=
+github.com/gkampitakis/go-diff v1.3.2/go.mod h1:LLgOrpqleQe26cte8s36HTWcTmMEur6OPYerdAAS9tk=
+github.com/gkampitakis/go-snaps v0.5.4 h1:GX+dkKmVsRenz7SoTbdIEL4KQARZctkMiZ8ZKprRwT8=
+github.com/gkampitakis/go-snaps v0.5.4/go.mod h1:ZABkO14uCuVxBHAXAfKG+bqNz+aa1bGPAg8jkI0Nk8Y=
 github.com/go-chi/chi v4.1.2+incompatible h1:fGFk2Gmi/YKXk0OmGfBh0WgmN3XB8lVnEyNz34tQRec=
 github.com/go-chi/chi v4.1.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ=
 github.com/go-chi/chi/v5 v5.1.0 h1:acVI1TYaD+hhedDJ3r54HyA6sExp3HfXq7QWEEY/xMw=
@@ -212,6 +224,8 @@ github.com/lufia/plan9stats v0.0.0-20240909124753-873cd0166683 h1:7UMa6KCCMjZEMD
 github.com/lufia/plan9stats v0.0.0-20240909124753-873cd0166683/go.mod h1:ilwx/Dta8jXAgpFYFvSWEMwxmbWXyiUHkd5FwyKhb5k=
 github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
+github.com/maruel/natural v1.1.1 h1:Hja7XhhmvEFhcByqDoHz9QZbkWey+COd9xWfCfn1ioo=
+github.com/maruel/natural v1.1.1/go.mod h1:v+Rfd79xlw1AgVBjbO0BEQmptqb5HvL/k9GRHB7ZKEg=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
@@ -295,6 +309,14 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/tidwall/gjson v1.17.1 h1:wlYEnwqAHgzmhNUFfw7Xalt2JzQvsMx2Se4PcoFCT/U=
+github.com/tidwall/gjson v1.17.1/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
+github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
+github.com/tidwall/pretty v1.2.1 h1:qjsOFOWWQl+N3RsoF5/ssm1pHmJJwhjlSbZ51I6wMl4=
+github.com/tidwall/pretty v1.2.1/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
+github.com/tidwall/sjson v1.2.5 h1:kLy8mja+1c9jlljvWTlSazM7cKDRfJuR/bOJhcY5NcY=
+github.com/tidwall/sjson v1.2.5/go.mod h1:Fvgq9kS/6ociJEDnK0Fk1cpYF4FIW6ZF7LAe+6jwd28=
 github.com/tklauser/go-sysconf v0.3.14 h1:g5vzr9iPFFz24v2KZXs/pvpvh8/V9Fw6vQK5ZZb78yU=
 github.com/tklauser/go-sysconf v0.3.14/go.mod h1:1ym4lWMLUOhuBOPGtRcJm7tEGX4SCYNEEEtghGG/8uY=
 github.com/tklauser/numcpus v0.9.0 h1:lmyCHtANi8aRUgkckBgoDk1nHCux3n2cgkJLXdQGPDo=
@@ -398,6 +420,8 @@ golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5y
 golang.org/x/crypto v0.6.0/go.mod h1:OFC/31mSvZgRz0V1QTNCzfAI1aIRzbiufJtkMIlEp58=
 golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
 golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
+golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 h1:e66Fs6Z+fZTbFBAxKfP3PALWBtpfqks2bwGcexMxgtk=
+golang.org/x/exp v0.0.0-20240909161429-701f63a606c0/go.mod h1:2TbTHSBQa924w8M6Xs1QcRcFwyucIwBGpK1p2f1YFFY=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
diff --git a/internal/api/v2/controllers_bulk.go b/internal/api/v2/controllers_bulk.go
index 8d561e793..d6ed7e86c 100644
--- a/internal/api/v2/controllers_bulk.go
+++ b/internal/api/v2/controllers_bulk.go
@@ -108,6 +108,10 @@ func ProcessBulk(
 					code = ErrNoPostings
 				case errors.Is(err, ledgercontroller.ErrTransactionReferenceConflict{}):
 					code = ErrConflict
+				case errors.Is(err, ledgercontroller.ErrParsing{}):
+					code = ErrInterpreterParse
+				case errors.Is(err, ledgercontroller.ErrRuntime{}):
+					code = ErrInterpreterRuntime
 				default:
 					code = api.ErrorInternal
 				}
diff --git a/internal/api/v2/controllers_transactions_create.go b/internal/api/v2/controllers_transactions_create.go
index b54129fbd..912c18b45 100644
--- a/internal/api/v2/controllers_transactions_create.go
+++ b/internal/api/v2/controllers_transactions_create.go
@@ -7,7 +7,9 @@ import (
 	ledgercontroller "github.com/formancehq/ledger/internal/controller/ledger"
 
 	"errors"
+
 	"github.com/formancehq/go-libs/v2/api"
+
 	"github.com/formancehq/ledger/internal/api/common"
 )
 
@@ -50,6 +52,10 @@ func createTransaction(w http.ResponseWriter, r *http.Request) {
 			api.WriteErrorResponse(w, http.StatusConflict, ErrConflict, err)
 		case errors.Is(err, ledgercontroller.ErrInvalidIdempotencyInput{}):
 			api.BadRequest(w, ErrValidation, err)
+		case errors.Is(err, ledgercontroller.ErrParsing{}):
+			api.BadRequest(w, ErrInterpreterParse, err)
+		case errors.Is(err, ledgercontroller.ErrRuntime{}):
+			api.BadRequest(w, ErrInterpreterRuntime, err)
 		default:
 			common.HandleCommonErrors(w, r, err)
 		}
diff --git a/internal/api/v2/errors.go b/internal/api/v2/errors.go
index b511a422b..df986123f 100644
--- a/internal/api/v2/errors.go
+++ b/internal/api/v2/errors.go
@@ -8,4 +8,7 @@ const (
 	ErrNoPostings        = "NO_POSTINGS"
 	ErrCompilationFailed = "COMPILATION_FAILED"
 	ErrMetadataOverride  = "METADATA_OVERRIDE"
+
+	ErrInterpreterParse   = "INTERPRETER_PARSE"
+	ErrInterpreterRuntime = "INTERPRETER_RUNTIME"
 )
diff --git a/internal/controller/ledger/errors.go b/internal/controller/ledger/errors.go
index e2572cbb9..e8235db1f 100644
--- a/internal/controller/ledger/errors.go
+++ b/internal/controller/ledger/errors.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/formancehq/go-libs/v2/platform/postgres"
+	"github.com/formancehq/numscript"
 
 	"github.com/formancehq/ledger/internal/machine"
 
@@ -188,6 +189,36 @@ func newErrCompilationFailed(err error) ErrCompilationFailed {
 	}
 }
 
+type ErrRuntime struct {
+	Source string
+	Inner  numscript.InterpreterError
+}
+
+func (e ErrRuntime) Error() string {
+	return e.Inner.Error()
+}
+
+func (e ErrRuntime) Is(err error) bool {
+	_, ok := err.(ErrRuntime)
+	return ok
+}
+
+type ErrParsing struct {
+	Source string
+	// Precondition: Errors is not empty
+	Errors []numscript.ParserError
+}
+
+func (e ErrParsing) Error() string {
+	// TODO write a decent description
+	return "Got parsing errors"
+}
+
+func (e ErrParsing) Is(err error) bool {
+	_, ok := err.(ErrParsing)
+	return ok
+}
+
 // ErrMetadataOverride is used when a metadata is defined at numscript level AND at the input level
 type ErrMetadataOverride struct {
 	key string
diff --git a/internal/controller/ledger/numscript_runtime.go b/internal/controller/ledger/numscript_runtime.go
index 76f2e614c..25ab193a7 100644
--- a/internal/controller/ledger/numscript_runtime.go
+++ b/internal/controller/ledger/numscript_runtime.go
@@ -4,15 +4,15 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/formancehq/ledger/internal/machine"
-
 	"errors"
 
 	"github.com/formancehq/go-libs/v2/collectionutils"
 	"github.com/formancehq/go-libs/v2/metadata"
 	ledger "github.com/formancehq/ledger/internal"
+	"github.com/formancehq/ledger/internal/machine"
 	"github.com/formancehq/ledger/internal/machine/vm"
 	"github.com/formancehq/ledger/internal/machine/vm/program"
+	"github.com/formancehq/numscript"
 )
 
 type NumscriptExecutionResult struct {
@@ -86,3 +86,51 @@ func NewMachineNumscriptRuntimeAdapter(p program.Program) *MachineNumscriptRunti
 }
 
 var _ NumscriptRuntime = (*MachineNumscriptRuntimeAdapter)(nil)
+
+// numscript rewrite implementation
+var _ Machine = (*DefaultInterpreterMachineAdapter)(nil)
+
+type DefaultInterpreterMachineAdapter struct {
+	parseResult numscript.ParseResult
+}
+
+func NewDefaultInterpreterMachineAdapter(parseResult numscript.ParseResult) *DefaultInterpreterMachineAdapter {
+	return &DefaultInterpreterMachineAdapter{
+		parseResult: parseResult,
+	}
+}
+
+func (d *DefaultInterpreterMachineAdapter) Execute(ctx context.Context, tx TX, vars map[string]string) (*MachineResult, error) {
+	execResult, err := d.parseResult.Run(ctx, vars, newNumscriptRewriteAdapter(tx))
+	if err != nil {
+		return nil, ErrRuntime{
+			Source: d.parseResult.GetSource(),
+			Inner:  err,
+		}
+	}
+
+	return &MachineResult{
+		Postings: collectionutils.Map(execResult.Postings, func(posting numscript.Posting) ledger.Posting {
+			return ledger.Posting(posting)
+		}),
+		Metadata:        castMetadata(execResult.Metadata),
+		AccountMetadata: castAccountsMetadata(execResult.AccountsMetadata),
+	}, nil
+}
+
+func castMetadata(numscriptMeta numscript.Metadata) metadata.Metadata {
+	meta := metadata.Metadata{}
+	for k, v := range numscriptMeta {
+		meta[k] = v.String()
+	}
+	return meta
+}
+
+func castAccountsMetadata(numscriptAccountsMetadata numscript.AccountsMetadata) map[string]metadata.Metadata {
+	m := make(map[string]metadata.Metadata)
+	for k, v := range numscriptAccountsMetadata {
+		m[k] = v
+	}
+	return m
+
+}
diff --git a/internal/controller/ledger/store.go b/internal/controller/ledger/store.go
index 86a2d6be3..55bc839c4 100644
--- a/internal/controller/ledger/store.go
+++ b/internal/controller/ledger/store.go
@@ -7,6 +7,7 @@ import (
 	"math/big"
 
 	"github.com/formancehq/go-libs/v2/migrations"
+	"github.com/formancehq/numscript"
 
 	"github.com/formancehq/go-libs/v2/bun/bunpaginate"
 	"github.com/formancehq/go-libs/v2/metadata"
@@ -297,3 +298,42 @@ func NewListLedgersQuery(pageSize uint64) ListLedgersQuery {
 		PageSize: pageSize,
 	}
 }
+
+// numscript rewrite implementation
+
+var _ numscript.Store = (*numscriptRewriteAdapter)(nil)
+
+func newNumscriptRewriteAdapter(tx TX) *numscriptRewriteAdapter {
+	return &numscriptRewriteAdapter{
+		TX: tx,
+	}
+}
+
+type numscriptRewriteAdapter struct {
+	TX TX
+}
+
+func (s *numscriptRewriteAdapter) GetBalances(ctx context.Context, q numscript.BalanceQuery) (numscript.Balances, error) {
+	vmBalances, err := s.TX.GetBalances(ctx, BalanceQuery(q))
+	if err != nil {
+		return nil, err
+	}
+	return numscript.Balances(vmBalances), nil
+}
+
+func (s *numscriptRewriteAdapter) GetAccountsMetadata(ctx context.Context, q numscript.MetadataQuery) (numscript.AccountsMetadata, error) {
+	m := numscript.AccountsMetadata{}
+
+	// we ignore the needed metadata values and just return all of them
+	for address := range q {
+		v, err := s.TX.GetAccount(ctx, GetAccountQuery{
+			Addr: address,
+		})
+		if err != nil {
+			return nil, err
+		}
+		m[v.Address] = v.Metadata
+	}
+
+	return m, nil
+}
diff --git a/internal/controller/system/controller.go b/internal/controller/system/controller.go
index 53ff6c978..b233cb84c 100644
--- a/internal/controller/system/controller.go
+++ b/internal/controller/system/controller.go
@@ -50,7 +50,7 @@ func (ctrl *DefaultController) GetLedgerController(ctx context.Context, name str
 		var ledgerController ledgercontroller.Controller = ledgercontroller.NewDefaultController(
 			*l,
 			store,
-			ledgercontroller.NewDefaultNumscriptParser(),
+			&ledgercontroller.DefaultInterpreterMachineFactory{},
 			ledgercontroller.WithMeter(ctrl.meter),
 		)
 
diff --git a/ledger b/ledger
new file mode 100755
index 000000000..a7d7905c8
Binary files /dev/null and b/ledger differ
diff --git a/openapi.yaml b/openapi.yaml
index 8a81e00f9..c02ec9d38 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -3450,6 +3450,8 @@ components:
         - NO_POSTINGS
         - LEDGER_NOT_FOUND
         - IMPORT
+        - INTERPRETER_PARSE
+        - INTERPRETER_RUNTIME
       example: VALIDATION
     V2LedgerInfoResponse:
       type: object
diff --git a/openapi/v2.yaml b/openapi/v2.yaml
index 5ece0eaf0..0c4583c04 100644
--- a/openapi/v2.yaml
+++ b/openapi/v2.yaml
@@ -1722,6 +1722,8 @@ components:
         - NO_POSTINGS
         - LEDGER_NOT_FOUND
         - IMPORT
+        - INTERPRETER_PARSE
+        - INTERPRETER_RUNTIME
       example: VALIDATION
     V2LedgerInfoResponse:
       type: object
diff --git a/pkg/client/.speakeasy/gen.lock b/pkg/client/.speakeasy/gen.lock
index f0032de95..e9e3ae610 100644
--- a/pkg/client/.speakeasy/gen.lock
+++ b/pkg/client/.speakeasy/gen.lock
@@ -1,12 +1,12 @@
 lockVersion: 2.0.0
 id: a9ac79e1-e429-4ee3-96c4-ec973f19bec3
 management:
-  docChecksum: 0558cb1f36313c824f51744f6f8c355d
+  docChecksum: 49e548b4aefbb9b99715dd81ed354e8c
   docVersion: v1
   speakeasyVersion: 1.351.0
   generationVersion: 2.384.1
-  releaseVersion: 0.4.13
-  configChecksum: a8fb416ba04bb07465d883f3e4ed1f7a
+  releaseVersion: 0.4.14
+  configChecksum: 583ed6e25e9905dc157e817350d207e0
 features:
   go:
     additionalDependencies: 0.1.0
diff --git a/pkg/client/.speakeasy/gen.yaml b/pkg/client/.speakeasy/gen.yaml
index c0092992c..f52c892f8 100644
--- a/pkg/client/.speakeasy/gen.yaml
+++ b/pkg/client/.speakeasy/gen.yaml
@@ -15,7 +15,7 @@ generation:
   auth:
     oAuth2ClientCredentialsEnabled: true
 go:
-  version: 0.4.13
+  version: 0.4.14
   additionalDependencies: {}
   allowUnknownFieldsInWeakUnions: false
   clientServerStatusCodesAsErrors: true
diff --git a/pkg/client/docs/models/components/v2errorsenum.md b/pkg/client/docs/models/components/v2errorsenum.md
index 088a86b2a..903acc087 100644
--- a/pkg/client/docs/models/components/v2errorsenum.md
+++ b/pkg/client/docs/models/components/v2errorsenum.md
@@ -3,17 +3,19 @@
 
 ## Values
 
-| Name                            | Value                           |
-| ------------------------------- | ------------------------------- |
-| `V2ErrorsEnumInternal`          | INTERNAL                        |
-| `V2ErrorsEnumInsufficientFund`  | INSUFFICIENT_FUND               |
-| `V2ErrorsEnumValidation`        | VALIDATION                      |
-| `V2ErrorsEnumConflict`          | CONFLICT                        |
-| `V2ErrorsEnumCompilationFailed` | COMPILATION_FAILED              |
-| `V2ErrorsEnumMetadataOverride`  | METADATA_OVERRIDE               |
-| `V2ErrorsEnumNotFound`          | NOT_FOUND                       |
-| `V2ErrorsEnumRevertOccurring`   | REVERT_OCCURRING                |
-| `V2ErrorsEnumAlreadyRevert`     | ALREADY_REVERT                  |
-| `V2ErrorsEnumNoPostings`        | NO_POSTINGS                     |
-| `V2ErrorsEnumLedgerNotFound`    | LEDGER_NOT_FOUND                |
-| `V2ErrorsEnumImport`            | IMPORT                          |
\ No newline at end of file
+| Name                             | Value                            |
+| -------------------------------- | -------------------------------- |
+| `V2ErrorsEnumInternal`           | INTERNAL                         |
+| `V2ErrorsEnumInsufficientFund`   | INSUFFICIENT_FUND                |
+| `V2ErrorsEnumValidation`         | VALIDATION                       |
+| `V2ErrorsEnumConflict`           | CONFLICT                         |
+| `V2ErrorsEnumCompilationFailed`  | COMPILATION_FAILED               |
+| `V2ErrorsEnumMetadataOverride`   | METADATA_OVERRIDE                |
+| `V2ErrorsEnumNotFound`           | NOT_FOUND                        |
+| `V2ErrorsEnumRevertOccurring`    | REVERT_OCCURRING                 |
+| `V2ErrorsEnumAlreadyRevert`      | ALREADY_REVERT                   |
+| `V2ErrorsEnumNoPostings`         | NO_POSTINGS                      |
+| `V2ErrorsEnumLedgerNotFound`     | LEDGER_NOT_FOUND                 |
+| `V2ErrorsEnumImport`             | IMPORT                           |
+| `V2ErrorsEnumInterpreterParse`   | INTERPRETER_PARSE                |
+| `V2ErrorsEnumInterpreterRuntime` | INTERPRETER_RUNTIME              |
\ No newline at end of file
diff --git a/pkg/client/formance.go b/pkg/client/formance.go
index ee2996eb1..5c5c55fb8 100644
--- a/pkg/client/formance.go
+++ b/pkg/client/formance.go
@@ -143,9 +143,9 @@ func New(opts ...SDKOption) *Formance {
 		sdkConfiguration: sdkConfiguration{
 			Language:          "go",
 			OpenAPIDocVersion: "v1",
-			SDKVersion:        "0.4.13",
+			SDKVersion:        "0.4.14",
 			GenVersion:        "2.384.1",
-			UserAgent:         "speakeasy-sdk/go 0.4.13 2.384.1 v1 github.com/formancehq/stack/ledger/client",
+			UserAgent:         "speakeasy-sdk/go 0.4.14 2.384.1 v1 github.com/formancehq/stack/ledger/client",
 			Hooks:             hooks.New(),
 		},
 	}
diff --git a/pkg/client/models/components/v2errorsenum.go b/pkg/client/models/components/v2errorsenum.go
index defc9c108..7211d8b8f 100644
--- a/pkg/client/models/components/v2errorsenum.go
+++ b/pkg/client/models/components/v2errorsenum.go
@@ -10,18 +10,20 @@ import (
 type V2ErrorsEnum string
 
 const (
-	V2ErrorsEnumInternal          V2ErrorsEnum = "INTERNAL"
-	V2ErrorsEnumInsufficientFund  V2ErrorsEnum = "INSUFFICIENT_FUND"
-	V2ErrorsEnumValidation        V2ErrorsEnum = "VALIDATION"
-	V2ErrorsEnumConflict          V2ErrorsEnum = "CONFLICT"
-	V2ErrorsEnumCompilationFailed V2ErrorsEnum = "COMPILATION_FAILED"
-	V2ErrorsEnumMetadataOverride  V2ErrorsEnum = "METADATA_OVERRIDE"
-	V2ErrorsEnumNotFound          V2ErrorsEnum = "NOT_FOUND"
-	V2ErrorsEnumRevertOccurring   V2ErrorsEnum = "REVERT_OCCURRING"
-	V2ErrorsEnumAlreadyRevert     V2ErrorsEnum = "ALREADY_REVERT"
-	V2ErrorsEnumNoPostings        V2ErrorsEnum = "NO_POSTINGS"
-	V2ErrorsEnumLedgerNotFound    V2ErrorsEnum = "LEDGER_NOT_FOUND"
-	V2ErrorsEnumImport            V2ErrorsEnum = "IMPORT"
+	V2ErrorsEnumInternal           V2ErrorsEnum = "INTERNAL"
+	V2ErrorsEnumInsufficientFund   V2ErrorsEnum = "INSUFFICIENT_FUND"
+	V2ErrorsEnumValidation         V2ErrorsEnum = "VALIDATION"
+	V2ErrorsEnumConflict           V2ErrorsEnum = "CONFLICT"
+	V2ErrorsEnumCompilationFailed  V2ErrorsEnum = "COMPILATION_FAILED"
+	V2ErrorsEnumMetadataOverride   V2ErrorsEnum = "METADATA_OVERRIDE"
+	V2ErrorsEnumNotFound           V2ErrorsEnum = "NOT_FOUND"
+	V2ErrorsEnumRevertOccurring    V2ErrorsEnum = "REVERT_OCCURRING"
+	V2ErrorsEnumAlreadyRevert      V2ErrorsEnum = "ALREADY_REVERT"
+	V2ErrorsEnumNoPostings         V2ErrorsEnum = "NO_POSTINGS"
+	V2ErrorsEnumLedgerNotFound     V2ErrorsEnum = "LEDGER_NOT_FOUND"
+	V2ErrorsEnumImport             V2ErrorsEnum = "IMPORT"
+	V2ErrorsEnumInterpreterParse   V2ErrorsEnum = "INTERPRETER_PARSE"
+	V2ErrorsEnumInterpreterRuntime V2ErrorsEnum = "INTERPRETER_RUNTIME"
 )
 
 func (e V2ErrorsEnum) ToPointer() *V2ErrorsEnum {
@@ -56,6 +58,10 @@ func (e *V2ErrorsEnum) UnmarshalJSON(data []byte) error {
 	case "LEDGER_NOT_FOUND":
 		fallthrough
 	case "IMPORT":
+		fallthrough
+	case "INTERPRETER_PARSE":
+		fallthrough
+	case "INTERPRETER_RUNTIME":
 		*e = V2ErrorsEnum(v)
 		return nil
 	default:
diff --git a/test/e2e/api_bulk.go b/test/e2e/api_bulk.go
index 943f8112a..8ec805d26 100644
--- a/test/e2e/api_bulk.go
+++ b/test/e2e/api_bulk.go
@@ -153,7 +153,7 @@ var _ = Context("Ledger engine tests", func() {
 		})
 		It("should respond with an error", func() {
 			Expect(bulkResponse[1].Type).To(Equal(components.V2BulkElementResultType("ERROR")))
-			Expect(bulkResponse[1].V2BulkElementResultError.ErrorCode).To(Equal("INSUFFICIENT_FUND"))
+			Expect(bulkResponse[1].V2BulkElementResultError.ErrorCode).To(Equal("INTERPRETER_RUNTIME"))
 		})
 	})
 })
diff --git a/test/e2e/api_transactions_create.go b/test/e2e/api_transactions_create.go
index a91e89bcf..95cd58c98 100644
--- a/test/e2e/api_transactions_create.go
+++ b/test/e2e/api_transactions_create.go
@@ -3,16 +3,21 @@
 package test_suite
 
 import (
+	"math/big"
+	"time"
+
 	"github.com/formancehq/go-libs/v2/logging"
 	. "github.com/formancehq/go-libs/v2/testing/api"
 	"github.com/formancehq/go-libs/v2/testing/platform/pgtesting"
+
+	"github.com/formancehq/go-libs/logging"
+	. "github.com/formancehq/go-libs/testing/api"
+	"github.com/formancehq/go-libs/testing/platform/pgtesting"
 	ledger "github.com/formancehq/ledger/internal"
 	"github.com/formancehq/ledger/internal/bus"
 	. "github.com/formancehq/ledger/pkg/testserver"
 	"github.com/formancehq/stack/ledger/client/models/components"
 	"github.com/formancehq/stack/ledger/client/models/operations"
-	"math/big"
-	"time"
 
 	"github.com/formancehq/go-libs/v2/metadata"
 	"github.com/formancehq/go-libs/v2/pointer"
@@ -200,7 +205,7 @@ var _ = Context("Ledger accounts list API tests", func() {
 			})
 			It("should fail", func() {
 				Expect(err).To(HaveOccurred())
-				Expect(err).To(HaveErrorCode(string(components.V2ErrorsEnumInsufficientFund)))
+				Expect(err).To(HaveErrorCode(string(components.V2ErrorsEnumInterpreterRuntime)))
 			})
 		})
 		When("with nil amount", func() {
@@ -323,9 +328,9 @@ var _ = Context("Ledger accounts list API tests", func() {
 					Ledger: "default",
 				}
 			})
-			It("should fail with "+string(components.V2ErrorsEnumCompilationFailed)+" code", func() {
+			It("should fail with "+string(components.V2ErrorsEnumInterpreterRuntime)+" code", func() {
 				Expect(err).NotTo(Succeed())
-				Expect(err).To(HaveErrorCode(string(components.V2ErrorsEnumCompilationFailed)))
+				Expect(err).To(HaveErrorCode(string(components.V2ErrorsEnumInterpreterRuntime)))
 			})
 		})
 		When("using a negative amount in the script with a variable", func() {
@@ -350,9 +355,9 @@ var _ = Context("Ledger accounts list API tests", func() {
 					Ledger: "default",
 				}
 			})
-			It("should fail with "+string(components.V2ErrorsEnumCompilationFailed)+" code", func() {
+			It("should fail with "+string(components.V2ErrorsEnumInterpreterRuntime)+" code", func() {
 				Expect(err).NotTo(Succeed())
-				Expect(err).To(HaveErrorCode(string(components.V2ErrorsEnumCompilationFailed)))
+				Expect(err).To(HaveErrorCode(string(components.V2ErrorsEnumInterpreterRuntime)))
 			})
 		})
 		Context("with error on script", func() {
@@ -369,9 +374,9 @@ var _ = Context("Ledger accounts list API tests", func() {
 					Ledger: "default",
 				}
 			})
-			It("should fail with "+string(components.V2ErrorsEnumCompilationFailed)+" code", func() {
+			It("should fail with "+string(components.V2ErrorsEnumInterpreterParse)+" code", func() {
 				Expect(err).NotTo(Succeed())
-				Expect(err).To(HaveErrorCode(string(components.V2ErrorsEnumCompilationFailed)))
+				Expect(err).To(HaveErrorCode(string(components.V2ErrorsEnumInterpreterParse)))
 			})
 		})
 		Context("with no postings", func() {