diff --git a/x-pack/plugins/actions/server/builtin_action_types/case/utils.ts b/x-pack/plugins/actions/server/builtin_action_types/case/utils.ts
index 8228fc1e2eb401..ebb33efbee6e5f 100644
--- a/x-pack/plugins/actions/server/builtin_action_types/case/utils.ts
+++ b/x-pack/plugins/actions/server/builtin_action_types/case/utils.ts
@@ -145,34 +145,30 @@ export const throwIfNotAlive = (
   }
 };
 
-export const request = async ({
+export const request = async <T = unknown>({
   axios,
   url,
   method = 'get',
-  data = {},
+  data,
 }: {
   axios: AxiosInstance;
   url: string;
   method?: Method;
-  // This will have to remain `any` until we can extend connectors with generics
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  data?: any;
+  data?: T;
 }): Promise<AxiosResponse> => {
-  const res = await axios(url, { method, data });
+  const res = await axios(url, { method, data: data ?? {} });
   throwIfNotAlive(res.status, res.headers['content-type']);
   return res;
 };
 
-export const patch = ({
+export const patch = async <T = unknown>({
   axios,
   url,
   data,
 }: {
   axios: AxiosInstance;
   url: string;
-  // This will have to remain `any` until we can extend connectors with generics
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  data: any;
+  data: T;
 }): Promise<AxiosResponse> => {
   return request({
     axios,
diff --git a/x-pack/plugins/actions/server/builtin_action_types/jira/service.ts b/x-pack/plugins/actions/server/builtin_action_types/jira/service.ts
index 554d82b6e9dd2c..ff22b8368e7dd2 100644
--- a/x-pack/plugins/actions/server/builtin_action_types/jira/service.ts
+++ b/x-pack/plugins/actions/server/builtin_action_types/jira/service.ts
@@ -7,7 +7,13 @@
 import axios from 'axios';
 
 import { ExternalServiceCredentials, ExternalService, ExternalServiceParams } from '../case/types';
-import { JiraPublicConfigurationType, JiraSecretConfigurationType } from './types';
+import {
+  JiraPublicConfigurationType,
+  JiraSecretConfigurationType,
+  CreateIncidentRequest,
+  UpdateIncidentRequest,
+  CreateCommentRequest,
+} from './types';
 
 import * as i18n from './translations';
 import { getErrorMessage, request } from '../case/utils';
@@ -66,7 +72,7 @@ export const createExternalService = ({
     // The function makes two calls when creating an issue. One to create the issue and one to get
     // the created issue with all the necessary fields.
     try {
-      const res = await request({
+      const res = await request<CreateIncidentRequest>({
         axios: axiosInstance,
         url: `${incidentUrl}`,
         method: 'post',
@@ -92,7 +98,7 @@ export const createExternalService = ({
 
   const updateIncident = async ({ incidentId, incident }: ExternalServiceParams) => {
     try {
-      await request({
+      await request<UpdateIncidentRequest>({
         axios: axiosInstance,
         method: 'put',
         url: `${incidentUrl}/${incidentId}`,
@@ -119,7 +125,7 @@ export const createExternalService = ({
 
   const createComment = async ({ incidentId, comment, field }: ExternalServiceParams) => {
     try {
-      const res = await request({
+      const res = await request<CreateCommentRequest>({
         axios: axiosInstance,
         method: 'post',
         url: getCommentsURL(incidentId),
diff --git a/x-pack/plugins/actions/server/builtin_action_types/jira/types.ts b/x-pack/plugins/actions/server/builtin_action_types/jira/types.ts
index 0051ef6c70b2c6..8d9c6b92abb3b2 100644
--- a/x-pack/plugins/actions/server/builtin_action_types/jira/types.ts
+++ b/x-pack/plugins/actions/server/builtin_action_types/jira/types.ts
@@ -9,3 +9,24 @@ import { JiraPublicConfigurationSchema, JiraSecretConfigurationSchema } from './
 
 export type JiraPublicConfigurationType = TypeOf<typeof JiraPublicConfigurationSchema>;
 export type JiraSecretConfigurationType = TypeOf<typeof JiraSecretConfigurationSchema>;
+
+interface CreateIncidentBasicRequestArgs {
+  summary: string;
+  description: string;
+}
+interface CreateIncidentRequestArgs extends CreateIncidentBasicRequestArgs {
+  project: { key: string };
+  issuetype: { name: string };
+}
+
+export interface CreateIncidentRequest {
+  fields: CreateIncidentRequestArgs;
+}
+
+export interface UpdateIncidentRequest {
+  fields: Partial<CreateIncidentBasicRequestArgs>;
+}
+
+export interface CreateCommentRequest {
+  body: string;
+}
diff --git a/x-pack/plugins/actions/server/builtin_action_types/servicenow/service.ts b/x-pack/plugins/actions/server/builtin_action_types/servicenow/service.ts
index ca050beb10b03b..541fefce2f2ff5 100644
--- a/x-pack/plugins/actions/server/builtin_action_types/servicenow/service.ts
+++ b/x-pack/plugins/actions/server/builtin_action_types/servicenow/service.ts
@@ -10,7 +10,13 @@ import { ExternalServiceCredentials, ExternalService, ExternalServiceParams } fr
 import { addTimeZoneToDate, patch, request, getErrorMessage } from '../case/utils';
 
 import * as i18n from './translations';
-import { ServiceNowPublicConfigurationType, ServiceNowSecretConfigurationType } from './types';
+import {
+  ServiceNowPublicConfigurationType,
+  ServiceNowSecretConfigurationType,
+  CreateIncidentRequest,
+  UpdateIncidentRequest,
+  CreateCommentRequest,
+} from './types';
 
 const API_VERSION = 'v2';
 const INCIDENT_URL = `api/now/${API_VERSION}/table/incident`;
@@ -57,7 +63,7 @@ export const createExternalService = ({
 
   const createIncident = async ({ incident }: ExternalServiceParams) => {
     try {
-      const res = await request({
+      const res = await request<CreateIncidentRequest>({
         axios: axiosInstance,
         url: `${incidentUrl}`,
         method: 'post',
@@ -79,7 +85,7 @@ export const createExternalService = ({
 
   const updateIncident = async ({ incidentId, incident }: ExternalServiceParams) => {
     try {
-      const res = await patch({
+      const res = await patch<UpdateIncidentRequest>({
         axios: axiosInstance,
         url: `${incidentUrl}/${incidentId}`,
         data: { ...incident },
@@ -103,7 +109,7 @@ export const createExternalService = ({
 
   const createComment = async ({ incidentId, comment, field }: ExternalServiceParams) => {
     try {
-      const res = await patch({
+      const res = await patch<CreateCommentRequest>({
         axios: axiosInstance,
         url: `${commentUrl}/${incidentId}`,
         data: { [field]: comment.comment },
diff --git a/x-pack/plugins/actions/server/builtin_action_types/servicenow/types.ts b/x-pack/plugins/actions/server/builtin_action_types/servicenow/types.ts
index 7b4f781e51b134..d8476b7dca54a5 100644
--- a/x-pack/plugins/actions/server/builtin_action_types/servicenow/types.ts
+++ b/x-pack/plugins/actions/server/builtin_action_types/servicenow/types.ts
@@ -8,3 +8,14 @@ export {
   ExternalIncidentServiceConfiguration as ServiceNowPublicConfigurationType,
   ExternalIncidentServiceSecretConfiguration as ServiceNowSecretConfigurationType,
 } from '../case/types';
+
+export interface CreateIncidentRequest {
+  summary: string;
+  description: string;
+}
+
+export type UpdateIncidentRequest = Partial<CreateIncidentRequest>;
+
+export interface CreateCommentRequest {
+  [key: string]: string;
+}