feat(http): add configurable timeout for API block requests

apps/sim/blocks/blocks/api.ts

@@ -80,6 +80,14 @@ Example:
         generationType: 'json-object',
       },
     },
+    {
+      id: 'timeout',
+      title: 'Timeout (ms)',
+      type: 'short-input',
+      placeholder: '120000',
+      description:
+        'Request timeout in milliseconds. Default: 120000ms (2 min). Max: 600000ms (10 min).',
+    },
   ],
   tools: {
     access: ['http_request'],
@@ -90,6 +98,7 @@ Example:
     headers: { type: 'json', description: 'Request headers' },
     body: { type: 'json', description: 'Request body data' },
     params: { type: 'json', description: 'URL query parameters' },
+    timeout: { type: 'number', description: 'Request timeout in milliseconds' },
   },
   outputs: {
     data: { type: 'json', description: 'API response data (JSON, text, or other formats)' },

apps/sim/tools/http/request.ts

@@ -40,6 +40,12 @@ export const requestTool: ToolConfig<RequestParams, RequestResponse> = {
       type: 'object',
       description: 'Form data to send (will set appropriate Content-Type)',
     },
+    timeout: {
+      type: 'number',
+      default: 120000,
+      description:
+        'Request timeout in milliseconds. Default is 120000ms (2 minutes). Max is 600000ms (10 minutes).',
+    },
   },
 
   request: {

apps/sim/tools/http/types.ts

@@ -8,6 +8,7 @@ export interface RequestParams {
   params?: TableRow[]
   pathParams?: Record<string, string>
   formData?: Record<string, string | Blob>
+  timeout?: number
 }
 
 export interface RequestResponse extends ToolResponse {

apps/sim/tools/index.ts

@@ -49,6 +49,30 @@ const MAX_REQUEST_BODY_SIZE_BYTES = 10 * 1024 * 1024 // 10MB
 const BODY_SIZE_LIMIT_ERROR_MESSAGE =
   'Request body size limit exceeded (10MB). The workflow data is too large to process. Try reducing the size of variables, inputs, or data being passed between blocks.'
 
+/** Default timeout for HTTP requests in milliseconds (2 minutes) */
+const DEFAULT_TIMEOUT_MS = 120000
+
+/** Maximum allowed timeout for HTTP requests in milliseconds (10 minutes) */
+const MAX_TIMEOUT_MS = 600000
+
+/**
+ * Parses and validates a timeout value from params
+ * @param timeout - The timeout value (number or string) from params
+ * @returns The validated timeout in milliseconds, capped at MAX_TIMEOUT_MS
+ */
+function parseTimeout(timeout: number | string | undefined): number {
+  if (typeof timeout === 'number' && timeout > 0) {
+    return Math.min(timeout, MAX_TIMEOUT_MS)
+  }
+  if (typeof timeout === 'string') {
+    const parsed = Number.parseInt(timeout, 10)
+    if (!Number.isNaN(parsed) && parsed > 0) {
+      return Math.min(parsed, MAX_TIMEOUT_MS)
+    }
+  }
+  return DEFAULT_TIMEOUT_MS
+}
+
 /**
  * Validates request body size and throws a user-friendly error if exceeded
  * @param body - The request body string to check
@@ -650,14 +674,29 @@ async function handleInternalRequest(
     // Check request body size before sending to detect potential size limit issues
     validateRequestBodySize(requestParams.body, requestId, toolId)
 
-    // Prepare request options
-    const requestOptions = {
+    const timeoutMs = parseTimeout(params.timeout)
+
+    // Prepare request options with timeout signal
+    const requestOptions: RequestInit = {
       method: requestParams.method,
       headers: headers,
       body: requestParams.body,
+      signal: AbortSignal.timeout(timeoutMs),
     }
 
-    const response = await fetch(fullUrl, requestOptions)
+    let response: Response
+    try {
+      response = await fetch(fullUrl, requestOptions)
+    } catch (fetchError) {
+      // Handle timeout error specifically
+      if (fetchError instanceof Error && fetchError.name === 'TimeoutError') {
+        logger.error(`[${requestId}] Request timed out for ${toolId} after ${timeoutMs}ms`)
+        throw new Error(
+          `Request timed out after ${timeoutMs}ms. Consider increasing the timeout value.`
+        )
+      }
+      throw fetchError
+    }
 
     // For non-OK responses, attempt JSON first; if parsing fails, fall back to text
     if (!response.ok) {
@@ -870,11 +909,26 @@ async function handleProxyRequest(
     // Check request body size before sending
     validateRequestBodySize(body, requestId, `proxy:${toolId}`)
 
-    const response = await fetch(proxyUrl, {
-      method: 'POST',
-      headers,
-      body,
-    })
+    const timeoutMs = parseTimeout(params.timeout)
+
+    let response: Response
+    try {
+      response = await fetch(proxyUrl, {
+        method: 'POST',
+        headers,
+        body,
+        signal: AbortSignal.timeout(timeoutMs),
+      })
+    } catch (fetchError) {
+      // Handle timeout error specifically
+      if (fetchError instanceof Error && fetchError.name === 'TimeoutError') {
+        logger.error(`[${requestId}] Proxy request timed out for ${toolId} after ${timeoutMs}ms`)
+        throw new Error(
+          `Request timed out after ${timeoutMs}ms. Consider increasing the timeout value.`
+        )
+      }
+      throw fetchError
+    }
 
     if (!response.ok) {
       // Check for 413 (Entity Too Large) - body size limit exceeded

apps/sim/tools/timeout.test.ts

@@ -0,0 +1,221 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+
+/**
+ * Tests for timeout functionality in handleProxyRequest and handleInternalRequest
+ */
+describe('HTTP Timeout Support', () => {
+  const originalFetch = global.fetch
+
+  beforeEach(() => {
+    vi.useFakeTimers()
+  })
+
+  afterEach(() => {
+    global.fetch = originalFetch
+    vi.useRealTimers()
+    vi.restoreAllMocks()
+  })
+
+  describe('Timeout Parameter Parsing', () => {
+    it('should parse numeric timeout correctly', () => {
+      const params = { timeout: 5000 }
+      const DEFAULT_TIMEOUT_MS = 120000
+      const MAX_TIMEOUT_MS = 600000
+
+      let timeoutMs = DEFAULT_TIMEOUT_MS
+      if (typeof params.timeout === 'number' && params.timeout > 0) {
+        timeoutMs = Math.min(params.timeout, MAX_TIMEOUT_MS)
+      }
+
+      expect(timeoutMs).toBe(5000)
+    })
+
+    it('should parse string timeout correctly', () => {
+      const params = { timeout: '30000' }
+      const DEFAULT_TIMEOUT_MS = 120000
+      const MAX_TIMEOUT_MS = 600000
+
+      let timeoutMs = DEFAULT_TIMEOUT_MS
+      if (typeof params.timeout === 'number' && params.timeout > 0) {
+        timeoutMs = Math.min(params.timeout, MAX_TIMEOUT_MS)
+      } else if (typeof params.timeout === 'string') {
+        const parsed = Number.parseInt(params.timeout, 10)
+        if (!Number.isNaN(parsed) && parsed > 0) {
+          timeoutMs = Math.min(parsed, MAX_TIMEOUT_MS)
+        }
+      }
+
+      expect(timeoutMs).toBe(30000)
+    })
+
+    it('should cap timeout at MAX_TIMEOUT_MS', () => {
+      const params = { timeout: 1000000 } // 1000 seconds, exceeds max
+      const DEFAULT_TIMEOUT_MS = 120000
+      const MAX_TIMEOUT_MS = 600000
+
+      let timeoutMs = DEFAULT_TIMEOUT_MS
+      if (typeof params.timeout === 'number' && params.timeout > 0) {
+        timeoutMs = Math.min(params.timeout, MAX_TIMEOUT_MS)
+      }
+
+      expect(timeoutMs).toBe(MAX_TIMEOUT_MS)
+    })
+
+    it('should use default timeout when no timeout provided', () => {
+      const params = {}
+      const DEFAULT_TIMEOUT_MS = 120000
+      const MAX_TIMEOUT_MS = 600000
+
+      let timeoutMs = DEFAULT_TIMEOUT_MS
+      if (typeof (params as any).timeout === 'number' && (params as any).timeout > 0) {
+        timeoutMs = Math.min((params as any).timeout, MAX_TIMEOUT_MS)
+      }
+
+      expect(timeoutMs).toBe(DEFAULT_TIMEOUT_MS)
+    })
+
+    it('should use default timeout for invalid string', () => {
+      const params = { timeout: 'invalid' }
+      const DEFAULT_TIMEOUT_MS = 120000
+      const MAX_TIMEOUT_MS = 600000
+
+      let timeoutMs = DEFAULT_TIMEOUT_MS
+      if (typeof params.timeout === 'number' && params.timeout > 0) {
+        timeoutMs = Math.min(params.timeout, MAX_TIMEOUT_MS)
+      } else if (typeof params.timeout === 'string') {
+        const parsed = Number.parseInt(params.timeout, 10)
+        if (!Number.isNaN(parsed) && parsed > 0) {
+          timeoutMs = Math.min(parsed, MAX_TIMEOUT_MS)
+        }
+      }
+
+      expect(timeoutMs).toBe(DEFAULT_TIMEOUT_MS)
+    })
+
+    it('should use default timeout for zero or negative values', () => {
+      const testCases = [{ timeout: 0 }, { timeout: -1000 }, { timeout: '0' }, { timeout: '-500' }]
+      const DEFAULT_TIMEOUT_MS = 120000
+      const MAX_TIMEOUT_MS = 600000
+
+      for (const params of testCases) {
+        let timeoutMs = DEFAULT_TIMEOUT_MS
+        if (typeof params.timeout === 'number' && params.timeout > 0) {
+          timeoutMs = Math.min(params.timeout, MAX_TIMEOUT_MS)
+        } else if (typeof params.timeout === 'string') {
+          const parsed = Number.parseInt(params.timeout, 10)
+          if (!Number.isNaN(parsed) && parsed > 0) {
+            timeoutMs = Math.min(parsed, MAX_TIMEOUT_MS)
+          }
+        }
+
+        expect(timeoutMs).toBe(DEFAULT_TIMEOUT_MS)
+      }
+    })
+  })
+
+  describe('AbortSignal.timeout Integration', () => {
+    it('should create AbortSignal with correct timeout', () => {
+      const timeoutMs = 5000
+      const signal = AbortSignal.timeout(timeoutMs)
+
+      expect(signal).toBeDefined()
+      expect(signal.aborted).toBe(false)
+    })
+
+    it('should abort after timeout period', async () => {
+      vi.useRealTimers() // Need real timers for this test
+
+      const timeoutMs = 100 // Very short timeout for testing
+      const signal = AbortSignal.timeout(timeoutMs)
+
+      // Wait for timeout to trigger
+      await new Promise((resolve) => setTimeout(resolve, timeoutMs + 50))
+
+      expect(signal.aborted).toBe(true)
+    })
+  })
+
+  describe('Timeout Error Handling', () => {
+    it('should identify TimeoutError correctly', () => {
+      const timeoutError = new Error('The operation was aborted')
+      timeoutError.name = 'TimeoutError'
+
+      const isTimeoutError = timeoutError instanceof Error && timeoutError.name === 'TimeoutError'
+
+      expect(isTimeoutError).toBe(true)
+    })
+
+    it('should generate user-friendly timeout message', () => {
+      const timeoutMs = 5000
+      const errorMessage = `Request timed out after ${timeoutMs}ms. Consider increasing the timeout value.`
+
+      expect(errorMessage).toBe(
+        'Request timed out after 5000ms. Consider increasing the timeout value.'
+      )
+    })
+  })
+
+  describe('Fetch with Timeout Signal', () => {
+    it('should pass signal to fetch options', async () => {
+      vi.useRealTimers()
+
+      const mockFetch = vi.fn().mockResolvedValue(
+        new Response(JSON.stringify({ success: true }), {
+          status: 200,
+          headers: { 'Content-Type': 'application/json' },
+        })
+      )
+      global.fetch = mockFetch
+
+      const timeoutMs = 5000
+      await fetch('https://example.com/api', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ test: true }),
+        signal: AbortSignal.timeout(timeoutMs),
+      })
+
+      expect(mockFetch).toHaveBeenCalledWith(
+        'https://example.com/api',
+        expect.objectContaining({
+          signal: expect.any(AbortSignal),
+        })
+      )
+    })
+
+    it('should throw TimeoutError when request times out', async () => {
+      vi.useRealTimers()
+
+      // Mock a slow fetch that will be aborted
+      global.fetch = vi.fn().mockImplementation(
+        (_url: string, options: RequestInit) =>
+          new Promise((_resolve, reject) => {
+            if (options?.signal) {
+              options.signal.addEventListener('abort', () => {
+                const error = new Error('The operation was aborted')
+                error.name = 'TimeoutError'
+                reject(error)
+              })
+            }
+          })
+      )
+
+      const timeoutMs = 100
+      let caughtError: Error | null = null
+
+      try {
+        await fetch('https://example.com/slow-api', {
+          signal: AbortSignal.timeout(timeoutMs),
+        })
+      } catch (error) {
+        caughtError = error as Error
+      }
+
+      // Wait a bit for the timeout to trigger
+      await new Promise((resolve) => setTimeout(resolve, timeoutMs + 50))
+
+      expect(caughtError).not.toBeNull()
+      expect(caughtError?.name).toBe('TimeoutError')
+    })
+  })
+})

helm/sim/templates/networkpolicy.yaml

@@ -141,6 +141,10 @@ spec:
     ports:
     - protocol: TCP
       port: 443
+  # Allow custom egress rules
+  {{- with .Values.networkPolicy.egress }}
+  {{- toYaml . | nindent 2 }}
+  {{- end }}
 {{- end }}
 
 {{- if .Values.postgresql.enabled }}