Function getAnthropicClient

src/services/api/client.ts:96–339

({
  apiKey,
  maxRetries,
  model,
  fetchOverride,
  source,
}: {
  apiKey?: string
  maxRetries: number
  model?: string
  fetchOverride?: ClientOptions['fetch']
  source?: string
})

}

export async function getAnthropicClient({
  apiKey,
  maxRetries,
  model,
  fetchOverride,
  source,
}: {
  apiKey?: string
  maxRetries: number
  model?: string
  fetchOverride?: ClientOptions['fetch']
  source?: string
}): Promise<Anthropic> {
  const containerId = process.env.CLAUDE_CODE_CONTAINER_ID
  const remoteSessionId = process.env.CLAUDE_CODE_REMOTE_SESSION_ID
  const clientApp = process.env.CLAUDE_AGENT_SDK_CLIENT_APP
  const customHeaders = getCustomHeaders()
  const defaultHeaders: { [key: string]: string } = {
    'x-app': 'cli',
    'User-Agent': getUserAgent(),
    'X-Claude-Code-Session-Id': getSessionId(),
    ...customHeaders,
    ...(containerId ? { 'x-claude-remote-container-id': containerId } : {}),
    ...(remoteSessionId
      ? { 'x-claude-remote-session-id': remoteSessionId }
      : {}),
    // SDK consumers can identify their app/library for backend analytics
    ...(clientApp ? { 'x-client-app': clientApp } : {}),
  }

  // Log API client configuration for HFI debugging
  logForDebugging(
    `[API:request] Creating client, ANTHROPIC_CUSTOM_HEADERS present: ${!!process.env.ANTHROPIC_CUSTOM_HEADERS}, has Authorization header: ${!!customHeaders['Authorization']}`,
  )

  // Add additional protection header if enabled via env var
  const additionalProtectionEnabled = isEnvTruthy(
    process.env.CLAUDE_CODE_ADDITIONAL_PROTECTION,
  )
  if (additionalProtectionEnabled) {
    defaultHeaders['x-anthropic-additional-protection'] = 'true'
  }

  logForDebugging('[API:auth] OAuth token check starting')
  await checkAndRefreshOAuthTokenIfNeeded()
  logForDebugging('[API:auth] OAuth token check complete')

  if (!isClaudeAISubscriber()) {
    await configureApiKeyHeaders(defaultHeaders, getIsNonInteractiveSession())
  }

  const resolvedFetch = buildFetch(fetchOverride, source)

  const ARGS = {
    defaultHeaders,
    maxRetries,
    timeout: parseInt(process.env.API_TIMEOUT_MS || String(600 * 1000), 10),
    dangerouslyAllowBrowser: true,