add /sandbox/item/fire_webhook endpoint

src/main/java/com/plaid/client/PlaidApiService.java

@@ -29,6 +29,7 @@
 import com.plaid.client.request.ItemRemoveRequest;
 import com.plaid.client.request.ItemStripeTokenCreateRequest;
 import com.plaid.client.request.ItemWebhookUpdateRequest;
+import com.plaid.client.request.SandboxItemFireWebhookRequest;
 import com.plaid.client.request.SandboxItemResetLoginRequest;
 import com.plaid.client.request.SandboxPublicTokenCreateRequest;
 import com.plaid.client.request.TransactionsGetRequest;
@@ -57,6 +58,7 @@
 import com.plaid.client.response.ItemRemoveResponse;
 import com.plaid.client.response.ItemStripeTokenCreateResponse;
 import com.plaid.client.response.ItemWebhookUpdateResponse;
+import com.plaid.client.response.SandboxItemFireWebhookResponse;
 import com.plaid.client.response.SandboxItemResetLoginResponse;
 import com.plaid.client.response.SandboxPublicTokenCreateResponse;
 import com.plaid.client.response.TransactionsGetResponse;
@@ -103,6 +105,9 @@ public interface PlaidApiService {
   // sandbox-only endpoints
   ////////////////////////////////////////////////////////
   ////////////////////////////////////////////////////////
+  @POST("/sandbox/item/fire_webhook")
+  Call<SandboxItemFireWebhookResponse> sandboxItemFireWebhook(@Body SandboxItemFireWebhookRequest request);
+
   @POST("/sandbox/item/reset_login")
   Call<SandboxItemResetLoginResponse> sandboxItemResetLogin(@Body SandboxItemResetLoginRequest request);
 

src/main/java/com/plaid/client/request/SandboxItemFireWebhookRequest.java

@@ -0,0 +1,17 @@
+package com.plaid.client.request;
+
+import com.plaid.client.request.common.BaseAccessTokenRequest;
+
+/**
+ * Request for the /sandbox/item/fire_webhook endpoint.
+ *
+ * @see <a href="https://plaid.com/docs/api/#TODO">https://plaid.com/docs/api/#TODO</a>
+ */
+public final class SandboxItemFireWebhookRequest extends BaseAccessTokenRequest {
+  private String webhookCode;
+
+  public SandboxItemFireWebhookRequest(String accessToken, String webhookCode) {
+    super(accessToken);
+    this.webhookCode = webhookCode;
+  }
+}

src/main/java/com/plaid/client/response/SandboxItemFireWebhookResponse.java

@@ -0,0 +1,14 @@
+package com.plaid.client.response;
+
+import java.util.Date;
+
+/**
+ * Response from /sandbox/item/fire_webhook endpoint.
+ */
+public final class SandboxItemFireWebhookResponse extends BaseResponse {
+  private boolean webhookFired;
+
+  public boolean getWebhookFired() {
+    return webhookFired;
+  }
+}

src/test/java/com/plaid/client/integration/SandboxItemFireWebhookTest.java

@@ -0,0 +1,40 @@
+package com.plaid.client.integration;
+
+import com.plaid.client.request.ItemWebhookUpdateRequest;
+import com.plaid.client.request.SandboxItemFireWebhookRequest;
+import com.plaid.client.request.common.Product;
+import com.plaid.client.response.ErrorResponse;
+import com.plaid.client.response.ItemWebhookUpdateResponse;
+import com.plaid.client.response.SandboxItemFireWebhookResponse;
+import org.junit.Test;
+import retrofit2.Response;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.assertTrue;
+
+public class SandboxItemFireWebhookTest extends AbstractItemIntegrationTest {
+  @Override
+  protected List<Product> setupItemProducts() {
+    return Arrays.asList(Product.TRANSACTIONS);
+  }
+
+  @Override
+  protected String setupItemInstitutionId() {
+    return TARTAN_BANK_INSTITUTION_ID;
+  }
+
+  @Test
+  public void testSuccess() throws Exception {
+    // Set a webhook
+    Response<ItemWebhookUpdateResponse> webhookResponse = client().service().itemWebhookUpdate(
+      new ItemWebhookUpdateRequest(getItemPublicTokenExchangeResponse().getAccessToken(), "https://baz.xyz/foo-test-hook")).execute();
+    // Fire a webhook
+    Response<SandboxItemFireWebhookResponse> response =
+      client().service().sandboxItemFireWebhook(new SandboxItemFireWebhookRequest(getItemPublicTokenExchangeResponse().getAccessToken(), "DEFAULT_UPDATE")).execute();
+
+    assertSuccessResponse(response);
+    assertTrue(response.body().getWebhookFired());
+  }
+}