diff --git a/packages/nodes-base/nodes/Linear/GenericFunctions.ts b/packages/nodes-base/nodes/Linear/GenericFunctions.ts
index 4d008f2ac5d87..e1e7790bfcf8e 100644
--- a/packages/nodes-base/nodes/Linear/GenericFunctions.ts
+++ b/packages/nodes-base/nodes/Linear/GenericFunctions.ts
@@ -6,8 +6,7 @@ import type {
 	ILoadOptionsFunctions,
 	IHookFunctions,
 	IWebhookFunctions,
-	JsonObject,
-	IRequestOptions,
+	IHttpRequestOptions,
 } from 'n8n-workflow';
 import { NodeApiError } from 'n8n-workflow';
 
@@ -24,24 +23,43 @@ export async function linearApiRequest(
 	const endpoint = 'https://api.linear.app/graphql';
 	const authenticationMethod = this.getNodeParameter('authentication', 0, 'apiToken') as string;
 
-	let options: IRequestOptions = {
+	let options: IHttpRequestOptions = {
 		headers: {
 			'Content-Type': 'application/json',
 		},
 		method: 'POST',
 		body,
-		uri: endpoint,
+		url: endpoint,
 		json: true,
 	};
 	options = Object.assign({}, options, option);
 	try {
-		return await this.helpers.requestWithAuthentication.call(
+		const response = await this.helpers.httpRequestWithAuthentication.call(
 			this,
 			authenticationMethod === 'apiToken' ? 'linearApi' : 'linearOAuth2Api',
 			options,
 		);
+
+		if (response.errors) {
+			throw new NodeApiError(this.getNode(), response.errors, {
+				message: response.errors[0].message,
+			});
+		}
+
+		return response;
 	} catch (error) {
-		throw new NodeApiError(this.getNode(), error as JsonObject);
+		throw new NodeApiError(
+			this.getNode(),
+			{},
+			{
+				message: error.errorResponse
+					? error.errorResponse[0].message
+					: error.context.data.errors[0].message,
+				description: error.errorResponse
+					? error.errorResponse[0].extensions.userPresentableMessage
+					: error.context.data.errors[0].extensions.userPresentableMessage,
+			},
+		);
 	}
 }
 
@@ -85,7 +103,7 @@ export async function validateCredentials(
 ): Promise<any> {
 	const credentials = decryptedCredentials;
 
-	const options: IRequestOptions = {
+	const options: IHttpRequestOptions = {
 		headers: {
 			'Content-Type': 'application/json',
 			Authorization: credentials.apiKey,
@@ -97,7 +115,7 @@ export async function validateCredentials(
 				first: 1,
 			},
 		},
-		uri: 'https://api.linear.app/graphql',
+		url: 'https://api.linear.app/graphql',
 		json: true,
 	};
 
diff --git a/packages/nodes-base/nodes/Linear/LinearTrigger.node.ts b/packages/nodes-base/nodes/Linear/LinearTrigger.node.ts
index ea95e4879e405..dcbbed2ce2947 100644
--- a/packages/nodes-base/nodes/Linear/LinearTrigger.node.ts
+++ b/packages/nodes-base/nodes/Linear/LinearTrigger.node.ts
@@ -71,6 +71,12 @@ export class LinearTrigger implements INodeType {
 				],
 				default: 'apiToken',
 			},
+			{
+				displayName: 'Make sure your credential has the "Admin" scope to create webhooks.',
+				name: 'notice',
+				type: 'notice',
+				default: '',
+			},
 			{
 				displayName: 'Team Name or ID',
 				name: 'teamId',
diff --git a/packages/nodes-base/nodes/Linear/test/GenericFunctions.test.ts b/packages/nodes-base/nodes/Linear/test/GenericFunctions.test.ts
new file mode 100644
index 0000000000000..b49b59133a3d9
--- /dev/null
+++ b/packages/nodes-base/nodes/Linear/test/GenericFunctions.test.ts
@@ -0,0 +1,135 @@
+import type {
+	IExecuteFunctions,
+	IHookFunctions,
+	ILoadOptionsFunctions,
+	IWebhookFunctions,
+} from 'n8n-workflow';
+import { NodeApiError } from 'n8n-workflow';
+
+import { capitalizeFirstLetter, linearApiRequest, sort } from '../GenericFunctions';
+
+describe('Linear -> GenericFunctions', () => {
+	const mockHttpRequestWithAuthentication = jest.fn();
+
+	describe('linearApiRequest', () => {
+		let mockExecuteFunctions:
+			| IExecuteFunctions
+			| IWebhookFunctions
+			| IHookFunctions
+			| ILoadOptionsFunctions;
+
+		const setupMockFunctions = (authentication: string) => {
+			mockExecuteFunctions = {
+				getNodeParameter: jest.fn().mockReturnValue(authentication),
+				helpers: {
+					httpRequestWithAuthentication: mockHttpRequestWithAuthentication,
+				},
+				getNode: jest.fn().mockReturnValue({}),
+			} as unknown as
+				| IExecuteFunctions
+				| IWebhookFunctions
+				| IHookFunctions
+				| ILoadOptionsFunctions;
+			jest.clearAllMocks();
+		};
+
+		beforeEach(() => {
+			setupMockFunctions('apiToken');
+		});
+
+		it('should make a successful API request', async () => {
+			const response = { data: { success: true } };
+
+			mockHttpRequestWithAuthentication.mockResolvedValue(response);
+
+			const result = await linearApiRequest.call(mockExecuteFunctions, {
+				query: '{ viewer { id } }',
+			});
+
+			expect(result).toEqual(response);
+			expect(mockExecuteFunctions.helpers.httpRequestWithAuthentication).toHaveBeenCalledWith(
+				'linearApi',
+				expect.objectContaining({
+					method: 'POST',
+					url: 'https://api.linear.app/graphql',
+					json: true,
+					body: { query: '{ viewer { id } }' },
+				}),
+			);
+		});
+
+		it('should handle API request errors', async () => {
+			const errorResponse = {
+				errors: [
+					{
+						message: 'Access denied',
+						extensions: {
+							userPresentableMessage: 'You need to have the "Admin" scope to create webhooks.',
+						},
+					},
+				],
+			};
+
+			mockHttpRequestWithAuthentication.mockResolvedValue(errorResponse);
+
+			await expect(
+				linearApiRequest.call(mockExecuteFunctions, { query: '{ viewer { id } }' }),
+			).rejects.toThrow(NodeApiError);
+
+			expect(mockExecuteFunctions.helpers.httpRequestWithAuthentication).toHaveBeenCalledWith(
+				'linearApi',
+				expect.objectContaining({
+					method: 'POST',
+					url: 'https://api.linear.app/graphql',
+					json: true,
+					body: { query: '{ viewer { id } }' },
+				}),
+			);
+		});
+	});
+
+	describe('capitalizeFirstLetter', () => {
+		it('should capitalize the first letter of a string', () => {
+			expect(capitalizeFirstLetter('hello')).toBe('Hello');
+			expect(capitalizeFirstLetter('world')).toBe('World');
+			expect(capitalizeFirstLetter('capitalize')).toBe('Capitalize');
+		});
+
+		it('should return an empty string if input is empty', () => {
+			expect(capitalizeFirstLetter('')).toBe('');
+		});
+
+		it('should handle single character strings', () => {
+			expect(capitalizeFirstLetter('a')).toBe('A');
+			expect(capitalizeFirstLetter('b')).toBe('B');
+		});
+
+		it('should not change the case of the rest of the string', () => {
+			expect(capitalizeFirstLetter('hELLO')).toBe('HELLO');
+			expect(capitalizeFirstLetter('wORLD')).toBe('WORLD');
+		});
+	});
+
+	describe('sort', () => {
+		it('should sort objects by name in ascending order', () => {
+			const array = [{ name: 'banana' }, { name: 'apple' }, { name: 'cherry' }];
+
+			const sortedArray = array.sort(sort);
+
+			expect(sortedArray).toEqual([{ name: 'apple' }, { name: 'banana' }, { name: 'cherry' }]);
+		});
+
+		it('should handle case insensitivity', () => {
+			const array = [{ name: 'Banana' }, { name: 'apple' }, { name: 'cherry' }];
+
+			const sortedArray = array.sort(sort);
+
+			expect(sortedArray).toEqual([{ name: 'apple' }, { name: 'Banana' }, { name: 'cherry' }]);
+		});
+
+		it('should return 0 for objects with the same name', () => {
+			const result = sort({ name: 'apple' }, { name: 'apple' });
+			expect(result).toBe(0);
+		});
+	});
+});