diff --git a/client.go b/client.go
index 9525879..e3c5823 100644
--- a/client.go
+++ b/client.go
@@ -27,6 +27,7 @@ type Client interface {
 	TestClient
 	RateClient
 	StatementClient
+	FxClient
 }
 
 var _ Client = (*client)(nil)
diff --git a/fx.go b/fx.go
new file mode 100644
index 0000000..72e0356
--- /dev/null
+++ b/fx.go
@@ -0,0 +1,60 @@
+package clearbank
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+)
+
+type FxClient interface {
+	InitiateFxOrder(context.Context, FXPayload) error
+}
+
+type FXAttestation string
+
+const (
+	FXAttestationSameOwner      FXAttestation = "Y"
+	FXAttestationDifferentOwner FXAttestation = "N"
+)
+
+type FXPayload struct {
+	CustomerInformation struct {
+		SellAccount struct {
+			Owner string `json:"owner"`
+			IBAN  string `json:"iban"`
+		} `json:"sellAccount"`
+		BuyAccount struct {
+			Owner string `json:"owner"`
+			IBAN  string `json:"iban"`
+		} `json:"buyAccount"`
+		Attestation FXAttestation `json:"attestation"`
+	} `json:"customerInformation"`
+	TradeInformation struct {
+		ValueDate string `json:"valueDate,omitempty"`
+		Details   struct {
+			InstructedAmount float64   `json:"instructedAmount"`
+			FixedSide        FixedSide `json:"fixedSide"`
+			SellCurrency     string    `json:"sellCurrency"`
+			BuyCurrency      string    `json:"buyCurrency"`
+		} `json:"details"`
+		Margin struct {
+			Amount  float64 `json:"amount"`
+			Account struct {
+				Owner string `json:"owner"`
+				IBAN  string `json:"iban"`
+			} `json:"account"`
+		} `json:"margin,omitempty"`
+		EndToEndID              string `json:"endToEndId"`
+		UnstructuredInformation string `json:"unstructuredInformation,omitempty"`
+	} `json:"tradeInformation"`
+}
+
+func (c *client) InitiateFxOrder(ctx context.Context, payload FXPayload) error {
+	req, err := c.newRequest(ctx, http.MethodPost, "/fx/v1/order", payload)
+	if err != nil {
+		return fmt.Errorf("failed to create request: %w", err)
+	}
+
+	req.ExpectStatus(http.StatusAccepted)
+	return c.do(ctx, req)
+}
diff --git a/fx_test.go b/fx_test.go
new file mode 100644
index 0000000..06ec150
--- /dev/null
+++ b/fx_test.go
@@ -0,0 +1,28 @@
+package clearbank_test
+
+import (
+	"bytes"
+	"context"
+	"io"
+	"net/http"
+	"testing"
+
+	"github.com/brokeyourbike/clearbank-api-client-go"
+	"github.com/brokeyourbike/clearbank-api-client-go/signature"
+	"github.com/stretchr/testify/assert"
+	mock "github.com/stretchr/testify/mock"
+)
+
+func TestInitiateFxOrder(t *testing.T) {
+	mockSigner := signature.NewMockSigner(t)
+	mockHttpClient := clearbank.NewMockHttpClient(t)
+	client := clearbank.NewClient("token", mockSigner, clearbank.WithHTTPClient(mockHttpClient))
+
+	ctx := clearbank.RequestIdContext(context.TODO(), "123")
+	mockSigner.On("Sign", ctx, mock.Anything).Return([]byte("signed"), nil).Once()
+
+	resp := &http.Response{StatusCode: http.StatusAccepted, Body: io.NopCloser(bytes.NewReader(nil))}
+	mockHttpClient.On("Do", mock.AnythingOfType("*http.Request")).Return(resp, nil).Once()
+
+	assert.NoError(t, client.InitiateFxOrder(ctx, clearbank.FXPayload{}))
+}