diff --git a/apps/api/src/__tests__/e2e_withAuth/index.test.ts b/apps/api/src/__tests__/e2e_withAuth/index.test.ts
index b1b0cc0..54be495 100644
--- a/apps/api/src/__tests__/e2e_withAuth/index.test.ts
+++ b/apps/api/src/__tests__/e2e_withAuth/index.test.ts
@@ -1,5 +1,6 @@
 import request from "supertest";
 import dotenv from "dotenv";
+import { FirecrawlCrawlResponse, FirecrawlCrawlStatusResponse, FirecrawlScrapeResponse } from "../../types";
 
 dotenv.config();
 const TEST_URL = "http://127.0.0.1:3002";
@@ -23,12 +24,12 @@ describe("E2E Tests for API Routes", () => {
 
   describe("POST /v0/scrape", () => {
     it.concurrent("should require authorization", async () => {
-      const response = await request(TEST_URL).post("/v0/scrape");
+      const response: FirecrawlScrapeResponse = await request(TEST_URL).post("/v0/scrape");
       expect(response.statusCode).toBe(401);
     });
 
     it.concurrent("should return an error response with an invalid API key", async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post("/v0/scrape")
         .set("Authorization", `Bearer invalid-api-key`)
         .set("Content-Type", "application/json")
@@ -37,7 +38,7 @@ describe("E2E Tests for API Routes", () => {
     });
 
     it.concurrent("should return a successful response with a valid API key", async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post("/v0/scrape")
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`)
         .set("Content-Type", "application/json")
@@ -54,7 +55,7 @@ describe("E2E Tests for API Routes", () => {
     }, 30000); // 30 seconds timeout
 
     it.concurrent("should return a successful response with a valid API key and includeHtml set to true", async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post("/v0/scrape")
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`)
         .set("Content-Type", "application/json")
@@ -76,7 +77,7 @@ describe("E2E Tests for API Routes", () => {
     }, 30000); // 30 seconds timeout
     
    it.concurrent('should return a successful response for a valid scrape with PDF file', async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post('/v0/scrape')
         .set('Authorization', `Bearer ${process.env.TEST_API_KEY}`)
         .set('Content-Type', 'application/json')
@@ -93,7 +94,7 @@ describe("E2E Tests for API Routes", () => {
     }, 60000); // 60 seconds
   
     it.concurrent('should return a successful response for a valid scrape with PDF file without explicit .pdf extension', async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post('/v0/scrape')
         .set('Authorization', `Bearer ${process.env.TEST_API_KEY}`)
         .set('Content-Type', 'application/json')
@@ -110,7 +111,7 @@ describe("E2E Tests for API Routes", () => {
     }, 60000); // 60 seconds
 
     it.concurrent("should return a successful response with a valid API key with removeTags option", async () => {
-      const responseWithoutRemoveTags = await request(TEST_URL)
+      const responseWithoutRemoveTags: FirecrawlScrapeResponse = await request(TEST_URL)
         .post("/v0/scrape")
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`)
         .set("Content-Type", "application/json")
@@ -126,7 +127,7 @@ describe("E2E Tests for API Routes", () => {
       expect(responseWithoutRemoveTags.body.data.content).toContain("[Sandbox]("); // .nav
       expect(responseWithoutRemoveTags.body.data.content).toContain("web scraping"); // strong
 
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post("/v0/scrape")
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`)
         .set("Content-Type", "application/json")
@@ -144,7 +145,7 @@ describe("E2E Tests for API Routes", () => {
     }, 30000); // 30 seconds timeout
 
     it.concurrent('should return a successful response for a scrape with 400 page', async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post('/v0/scrape')
         .set('Authorization', `Bearer ${process.env.TEST_API_KEY}`)
         .set('Content-Type', 'application/json')
@@ -160,7 +161,7 @@ describe("E2E Tests for API Routes", () => {
     }, 60000); // 60 seconds
 
     it.concurrent('should return a successful response for a scrape with 401 page', async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post('/v0/scrape')
         .set('Authorization', `Bearer ${process.env.TEST_API_KEY}`)
         .set('Content-Type', 'application/json')
@@ -176,7 +177,7 @@ describe("E2E Tests for API Routes", () => {
     }, 60000); // 60 seconds
 
     it.concurrent("should return a successful response for a scrape with 403 page", async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post('/v0/scrape')
         .set('Authorization', `Bearer ${process.env.TEST_API_KEY}`)
         .set('Content-Type', 'application/json')
@@ -192,7 +193,7 @@ describe("E2E Tests for API Routes", () => {
     }, 60000); // 60 seconds
 
     it.concurrent('should return a successful response for a scrape with 404 page', async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post('/v0/scrape')
         .set('Authorization', `Bearer ${process.env.TEST_API_KEY}`)
         .set('Content-Type', 'application/json')
@@ -224,7 +225,7 @@ describe("E2E Tests for API Routes", () => {
     }, 60000); // 60 seconds
 
     it.concurrent('should return a successful response for a scrape with 500 page', async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlScrapeResponse = await request(TEST_URL)
         .post('/v0/scrape')
         .set('Authorization', `Bearer ${process.env.TEST_API_KEY}`)
         .set('Content-Type', 'application/json')
@@ -242,12 +243,12 @@ describe("E2E Tests for API Routes", () => {
 
   describe("POST /v0/crawl", () => {
     it.concurrent("should require authorization", async () => {
-      const response = await request(TEST_URL).post("/v0/crawl");
+      const response: FirecrawlCrawlResponse = await request(TEST_URL).post("/v0/crawl");
       expect(response.statusCode).toBe(401);
     });
 
     it.concurrent("should return an error response with an invalid API key", async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlCrawlResponse = await request(TEST_URL)
         .post("/v0/crawl")
         .set("Authorization", `Bearer invalid-api-key`)
         .set("Content-Type", "application/json")
@@ -256,7 +257,7 @@ describe("E2E Tests for API Routes", () => {
     });
 
     it.concurrent("should return a successful response with a valid API key for crawl", async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlCrawlResponse = await request(TEST_URL)
         .post("/v0/crawl")
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`)
         .set("Content-Type", "application/json")
@@ -269,7 +270,7 @@ describe("E2E Tests for API Routes", () => {
     });
     
     it.concurrent("should return a successful response with a valid API key and valid includes option", async () => {
-      const crawlResponse = await request(TEST_URL)
+      const crawlResponse: FirecrawlCrawlResponse = await request(TEST_URL)
         .post("/v0/crawl")
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`)
         .set("Content-Type", "application/json")
@@ -281,7 +282,7 @@ describe("E2E Tests for API Routes", () => {
           },
         });
       
-        let response;
+        let response: FirecrawlCrawlStatusResponse;
         let isFinished = false;
 
         while (!isFinished) {
@@ -321,7 +322,7 @@ describe("E2E Tests for API Routes", () => {
     }, 60000); // 60 seconds
 
     it.concurrent("should return a successful response with a valid API key and valid excludes option", async () => {
-      const crawlResponse = await request(TEST_URL)
+      const crawlResponse: FirecrawlCrawlResponse = await request(TEST_URL)
         .post("/v0/crawl")
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`)
         .set("Content-Type", "application/json")
@@ -334,7 +335,7 @@ describe("E2E Tests for API Routes", () => {
         });
       
       let isFinished = false;
-      let response;
+      let response: FirecrawlCrawlStatusResponse;
 
       while (!isFinished) {
         response = await request(TEST_URL)
@@ -350,7 +351,7 @@ describe("E2E Tests for API Routes", () => {
         }
       }
 
-      const completedResponse = response;
+      const completedResponse: FirecrawlCrawlStatusResponse = response;
 
       const urls = completedResponse.body.data.map(
         (item: any) => item.metadata?.sourceURL
@@ -362,7 +363,7 @@ describe("E2E Tests for API Routes", () => {
     }, 90000); // 90 seconds
 
     it.concurrent("should return a successful response with a valid API key and limit to 3", async () => {
-      const crawlResponse = await request(TEST_URL)
+      const crawlResponse: FirecrawlCrawlResponse = await request(TEST_URL)
         .post("/v0/crawl")
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`)
         .set("Content-Type", "application/json")
@@ -372,7 +373,7 @@ describe("E2E Tests for API Routes", () => {
         });
       
       let isFinished = false;
-      let response;
+      let response: FirecrawlCrawlStatusResponse;
 
       while (!isFinished) {
         response = await request(TEST_URL)
@@ -388,7 +389,7 @@ describe("E2E Tests for API Routes", () => {
         }
       }
 
-      const completedResponse = response;
+      const completedResponse: FirecrawlCrawlStatusResponse = response;
 
       expect(completedResponse.statusCode).toBe(200);
       expect(completedResponse.body).toHaveProperty("status");
@@ -404,7 +405,7 @@ describe("E2E Tests for API Routes", () => {
     }, 60000); // 60 seconds
   
     it.concurrent("should return a successful response with max depth option for a valid crawl job", async () => {
-      const crawlResponse = await request(TEST_URL)
+      const crawlResponse: FirecrawlCrawlResponse = await request(TEST_URL)
         .post("/v0/crawl")
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`)
         .set("Content-Type", "application/json")
@@ -414,7 +415,7 @@ describe("E2E Tests for API Routes", () => {
         });
       expect(crawlResponse.statusCode).toBe(200);
 
-      const response = await request(TEST_URL)
+      const response: FirecrawlCrawlStatusResponse = await request(TEST_URL)
         .get(`/v0/crawl/status/${crawlResponse.body.jobId}`)
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`);
       expect(response.statusCode).toBe(200);
@@ -432,7 +433,7 @@ describe("E2E Tests for API Routes", () => {
           await new Promise((resolve) => setTimeout(resolve, 1000)); // Wait for 1 second before checking again
         }
       }
-      const completedResponse = await request(TEST_URL)
+      const completedResponse: FirecrawlCrawlStatusResponse = await request(TEST_URL)
         .get(`/v0/crawl/status/${crawlResponse.body.jobId}`)
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`);
 
@@ -461,12 +462,12 @@ describe("E2E Tests for API Routes", () => {
 
   describe("POST /v0/crawlWebsitePreview", () => {
     it.concurrent("should require authorization", async () => {
-      const response = await request(TEST_URL).post("/v0/crawlWebsitePreview");
+      const response: FirecrawlCrawlResponse = await request(TEST_URL).post("/v0/crawlWebsitePreview");
       expect(response.statusCode).toBe(401);
     });
 
     it.concurrent("should return an error response with an invalid API key", async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlCrawlResponse = await request(TEST_URL)
         .post("/v0/crawlWebsitePreview")
         .set("Authorization", `Bearer invalid-api-key`)
         .set("Content-Type", "application/json")
@@ -475,7 +476,7 @@ describe("E2E Tests for API Routes", () => {
     });
 
     it.concurrent("should return a timeout error when scraping takes longer than the specified timeout", async () => {
-      const response = await request(TEST_URL)
+      const response: FirecrawlCrawlResponse = await request(TEST_URL)
         .post("/v0/scrape")
         .set("Authorization", `Bearer ${process.env.TEST_API_KEY}`)
         .set("Content-Type", "application/json")
diff --git a/apps/api/src/types.ts b/apps/api/src/types.ts
index 0d5be01..971cc18 100644
--- a/apps/api/src/types.ts
+++ b/apps/api/src/types.ts
@@ -1,4 +1,4 @@
-import { ExtractorOptions } from "./lib/entities";
+import { ExtractorOptions, Document } from "./lib/entities";
 
 export interface CrawlResult {
   source: string;
@@ -43,6 +43,34 @@ export interface FirecrawlJob {
   num_tokens?: number,
 }
 
+export interface FirecrawlScrapeResponse {
+  statusCode: number;
+  body: {
+    status: string;
+    data: Document;
+  };
+  error?: string;
+}
+
+export interface FirecrawlCrawlResponse {
+  statusCode: number;
+  body: {
+    status: string;
+    jobId: string;
+    
+  };
+  error?: string;
+}
+
+export interface FirecrawlCrawlStatusResponse {
+  statusCode: number;
+  body: {
+    status: string;
+    data: Document[];    
+  };
+  error?: string;
+}
+
 export enum RateLimiterMode {
   Crawl = "crawl",
   CrawlStatus = "crawlStatus",