50 pages for anthropic_base_url.

On a remote host without a browser: Claude Developer Platform · in the page cli-sdks-libraries/cli/authentication …d pipe the key to the command. To point at a different API host, set `ANTHROPIC_BASE_URL` or pass `--base-url`. If you are using a [personal or service account key](https://platform.claude.com/docs/e… csharp Claude Developer Platform · in the page cli-sdks-libraries/sdks/csharp …// Configured using the ANTHROPIC_API_KEY, ANTHROPIC_AUTH_TOKEN and ANTHROPIC_BASE_URL environment variables AnthropicClient client = new(); ``` Or manually: ```csharp using Anthropic; AnthropicC… java Claude Developer Platform · in the page cli-sdks-libraries/sdks/java …configures using the `ANTHROPIC_API_KEY`, `ANTHROPIC_AUTH_TOKEN` and `ANTHROPIC_BASE_URL` environment variables AnthropicClient client = AnthropicOkHttpClient.fromEnv(); MessageCreateParams params =… For Amazon Bedrock support Claude Developer Platform · in the page cli-sdks-libraries/sdks/python …Anthropic, DefaultHttpxClient client = Anthropic( # Or use the `ANTHROPIC_BASE_URL` env var base_url="http://my.test.server.example.com:8083", http_client=DefaultHttpxClient( pro… cmek Claude Developer Platform · in the page manage-claude/cmek …When Claude Code connects through an LLM gateway or proxy (a custom `ANTHROPIC_BASE_URL`), CMEK does not apply to Claude Code's operational telemetry. To turn this telemetry off, set the `DISABLE_TEL… spawn.sh: called once per claimed work item Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes …ding the work item's per-session `secret` when Anthropic issued one. `ANTHROPIC_BASE_URL` is optional and is passed through only if it was set on the poller host; it overrides the default API endpoint… self-hosted-sandboxes-reference Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes-reference …ts/self-hosted-sandboxes-workers#forward-the-work-items-secret). | | `ANTHROPIC_BASE_URL` | Overrides the default API endpoint. Optional. | You, on the worker host.… self-hosted-sandboxes-workers Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes-workers …NMENT_KEY \ -e ANTHROPIC_WORK_ID -e ANTHROPIC_ENVIRONMENT_ID -e ANTHROPIC_BASE_URL \ -e ANTHROPIC_WORK_SECRET \ -v "/host/outputs/$ANTHROPIC_SESSION_ID":/workspace \ your-image… Escalate hard decisions with the advisor tool Claude Code CLI · in the page advisor …ndry. Through an [LLM gateway](/docs/en/llm-gateway) configured with `ANTHROPIC_BASE_URL`, availability depends on whether the gateway forwards the request intact to the Anthropic API. If the gateway… Configure your agent Claude Code CLI · in the page agent-sdk/configuration …guages. The example routes API traffic through a gateway by setting `ANTHROPIC_BASE_URL`. ```typescript TypeScript theme={null} const options = { env: { ...process.env, ANTHROPIC_BASE_URL: "https:… Hosting the Agent SDK Claude Code CLI · in the page agent-sdk/hosting …EY` from its environment. Supply it from your secret manager, or set `ANTHROPIC_BASE_URL` to route model calls through a proxy that injects the key outside the container. See [Credential management](/… Connect to external tools with MCP Claude Code CLI · in the page agent-sdk/mcp …ile and plugin servers too, up to `MCP_TIMEOUT`. * **Otherwise, when `ANTHROPIC_BASE_URL` points to a [gateway](/docs/en/mcp#tool-search-through-a-gateway) and [`ENABLE_TOOL_SEARCH`](/docs/en/mcp#conf… Modifying system prompts Claude Code CLI · in the page agent-sdk/modifying-system-prompts …request body to that directory. * **A gateway you control**: point [`ANTHROPIC_BASE_URL`](/docs/en/llm-gateway) at a proxy that logs request bodies. In a logged request, look in the `messages` array… Agent SDK reference - Python Claude Code CLI · in the page agent-sdk/python …ed. While the watchdog waits out a response that a gateway behind `ANTHROPIC_BASE_URL` holds open with keep-alive pings, a host that sets `include_partial_messages` keeps receiving `ping` [`StreamE… Securely deploying AI agents Claude Code CLI · in the page agent-sdk/secure-deployment …le but only for sampling API requests)** ```bash theme={null} export ANTHROPIC_BASE_URL="http://localhost:8080" ``` This tells Claude Code and the Agent SDK to send sampling requests to your proxy i… Scale to many tools with tool search Claude Code CLI · in the page agent-sdk/tool-search …_TOOL_SEARCH`. > [!NOTE] > > Tool search is on by default behind an `ANTHROPIC_BASE_URL` gateway, with nothing to set. If the gateway rejects it, see [Tool search through an LLM gateway](/docs/en/mcp… Agent SDK reference - TypeScript Claude Code CLI · in the page agent-sdk/typescript …ed. While the watchdog waits out a response that a gateway behind `ANTHROPIC_BASE_URL` holds open with keep-alive pings, a host that sets `includePartialMessages` keeps receiving `ping` [stream eve… Manage multiple agents with agent view Claude Code CLI · in the page agent-view …ch settings file to use for the credential. If you export a gateway `ANTHROPIC_BASE_URL` only in your shell instead, it reaches a background session, together with the `ANTHROPIC_CUSTOM_HEADERS` and… Claude Code on Amazon Bedrock Claude Code CLI · in the page amazon-bedrock …connect to it as an [LLM gateway](/docs/en/llm-gateway-connect) with `ANTHROPIC_BASE_URL` instead of `CLAUDE_CODE_USE_BEDROCK`. ### Zero token counts in /context The `/context` command counts tokens… Authentication Claude Code CLI · in the page authentication …`/logout`. To route requests through a custom API endpoint, set the [`ANTHROPIC_BASE_URL`](/docs/en/env-vars) environment variable instead. * **Supported authentication types**: claude.ai credentials,… Claude Code changelog Claude Code CLI · in the page changelog …ixed the `prompt-caching-scope` beta header being sent behind custom `ANTHROPIC_BASE_URL` gateways and on Foundry, where it has no effect * Fixed MCP servers showing "needs authentication" in `claude… Claude apps gateway configuration Claude Code CLI · in the page claude-apps-gateway-config …pers from bypassing the gateway with a cloud provider variable or an `ANTHROPIC_BASE_URL` of their own, add `"allowedProviders": ["gateway"]` to the same file. Claude Code then refuses every session o… Claude apps gateway deployment and operations Claude Code CLI · in the page claude-apps-gateway-deploy …r credentials, to `/api/hello` on `https://api.anthropic.com`, or on `ANTHROPIC_BASE_URL` when the environment set it, unless the environment also set a proxy variable such as `HTTPS_PROXY` or an mTLS… Use Claude Code in the cloud Claude Code CLI · in the page claude-code-on-the-web …ider. An [LLM gateway](/docs/en/llm-gateway) configured only through `ANTHROPIC_BASE_URL` doesn't count as a third-party provider for this check, but you still need to sign in with `claude auth login`… Desktop application Claude Code CLI · in the page desktop …onment variables Desktop sets itself If you set `API_TIMEOUT_MS` or `ANTHROPIC_BASE_URL` and nothing changed in your local sessions, it's because Desktop sets those [variables](/docs/en/env-vars#vari… Environment variables Claude Code CLI · in the page env-vars …| | `ANTHROPIC_BASE_URL` | Override the API endpoint to route requests through a proxy or gateway. W… Error reference Claude Code CLI · in the page errors …Foundry configurations name that provider's service status. A custom `ANTHROPIC_BASE_URL` names the gateway host. A 5xx from the API itself indicates an unexpected failure inside the API. It is not c… Speed up responses with fast mode Claude Code CLI · in the page fast-mode …a request directly to `api.anthropic.com`. The check doesn't follow [`ANTHROPIC_BASE_URL`](/docs/en/llm-gateway-connect#set-the-base-url-and-credential), so on a network that routes Claude traffic thr… Feature availability Claude Code CLI · in the page feature-availability …e account, or an [LLM gateway](/docs/en/llm-gateway) reached through `ANTHROPIC_BASE_URL`. On other providers, including Claude Platform on AWS, it runs on Fable * **[Commands](/docs/en/commands#all-c… Run Claude Code through a gateway Claude Code CLI · in the page gateways …nd the gateway's provider credential. The exception is setting only `ANTHROPIC_BASE_URL`, with no gateway credential. Requests still route through the gateway, but a saved claude.ai login stays the a… Set up Claude Code (local mode) for a HIPAA-ready organization Claude Code CLI · in the page hipaa-setup …| No | | An [LLM gateway](/docs/en/llm-gateway) or any other custom `ANTHROPIC_BASE_URL` | No | | `ANTHROPIC_AUTH_TOKEN` or `apiKeyHelper`, on a computer with no Claude Enterprise sign-in | No | | A… Other LLM gateways Claude Code CLI · in the page llm-gateway …anization](/docs/en/admin-setup). To make a gateway reached through `ANTHROPIC_BASE_URL` the only destination a managed machine may use, set [`allowedProviders`](/docs/en/settings-reference#allowedpr… Connect Claude Code to an LLM gateway Claude Code CLI · in the page llm-gateway-connect …gateway team gave you: **Bash or Zsh** ```bash theme={null} export ANTHROPIC_BASE_URL=https://llm-gateway.example.com export ANTHROPIC_AUTH_TOKEN=sk-gateway-key ``` **PowerShell** ```powershell t… Claude Code gateway compatibility guide Claude Code CLI · in the page llm-gateway-protocol …s | Forward unchanged | | :- | :- | :- | :- | | Anthropic Messages | `ANTHROPIC_BASE_URL` | `/v1/messages`, `/v1/messages/count_tokens` (optional) | `anthropic-beta` and `anthropic-version` request he… Roll out an LLM gateway for your organization Claude Code CLI · in the page llm-gateway-rollout …the `x-api-key` header: **Bash or Zsh** ```bash theme={null} export ANTHROPIC_BASE_URL=https://llm-gateway.example.com export ANTHROPIC_AUTH_TOKEN="<developer-key>" ``` **PowerShell** ```powershel… Deploy managed settings Claude Code CLI · in the page managed-settings …ig#apply-code-settings-in-the-code-tab). On other providers, or when `ANTHROPIC_BASE_URL` points somewhere other than Anthropic's API, it starts at the next source 2. MDM or OS-level policies: the mac… Connect Claude Code to tools via MCP Claude Code CLI · in the page mcp …t 4.5, and Claude Haiku 4.5 on Google Cloud's Agent Platform. For an `ANTHROPIC_BASE_URL` gateway, see [Tool search through an LLM gateway](#tool-search-through-a-gateway). * **On a Microsoft Foundry… Model configuration Claude Code CLI · in the page model-config …e-model-and-effort-level-in-claude-code) on the blog. > [!NOTE] > > `ANTHROPIC_BASE_URL` changes where requests are sent, not which model answers them. To route Claude through an LLM gateway, see [LL… Monitoring Claude Code CLI · in the page monitoring-usage …traceparent` header on model and HTTP MCP requests is sent only when `ANTHROPIC_BASE_URL` is unset or points at the Anthropic API, since some proxies reject unrecognized headers. The subprocess `TRACE… Enterprise network configuration Claude Code CLI · in the page network-config …ude-platform-on-aws), including through an HTTPS proxy, but not when `ANTHROPIC_BASE_URL` or `ANTHROPIC_AWS_BASE_URL` routes them through a [gateway](/docs/en/gateways). Opt-in on Amazon Bedrock with… Choose a permission mode Claude Code CLI · in the page permission-modes …loud's Agent Platform, and Microsoft Foundry, and whenever you point `ANTHROPIC_BASE_URL` at an [LLM gateway or proxy](/docs/en/llm-gateway), whatever your plan. Asking by default requires Claude Code… How Claude Code uses prompt caching Claude Code CLI · in the page prompt-caching …opic deployments are served on Anthropic's infrastructure * **Custom `ANTHROPIC_BASE_URL` or [LLM gateway](/docs/en/llm-gateway)**: the cache lives wherever your requests are forwarded, and whether ca… Continue local sessions from any device with Remote Control Claude Code CLI · in the page remote-control …Google Cloud's Agent Platform, or Microsoft Foundry. * You point [`ANTHROPIC_BASE_URL`](/docs/en/env-vars) at a host other than `api.anthropic.com`, such as an [LLM gateway](/docs/en/llm-gateway) o… Customize sessions in self-hosted environments Claude Code CLI · in the page self-hosted-environments-configuration …hat isn't in the update. Requires Claude Code v2.1.299 or later. | | `ANTHROPIC_BASE_URL` | The API base URL the child will use, delivered by the control plane per session and normally `https://api.an… Configure server-managed settings Claude Code CLI · in the page server-managed-settings …ed-fetch causes, such as a third-party provider variable or a custom `ANTHROPIC_BASE_URL` exported in the user's shell. ### Access control The following roles can manage server-managed settings: *… All settings Claude Code CLI · in the page settings-reference ….json theme={null} { "env": { "DISABLE_AUTO_COMPACT": "1", "ANTHROPIC_BASE_URL": "https://proxy.example.com" } } ``` #### How `env` values interact with your shell * A value here overwri… Create custom subagents Claude Code CLI · in the page sub-agents …e account, or an [LLM gateway](/docs/en/llm-gateway) reached through `ANTHROPIC_BASE_URL`, Explore runs on the Opus model that the [`opus` alias](/docs/en/model-config#model-aliases) resolves to. *… Enterprise deployment overview Claude Code CLI · in the page third-party-integrations …udgets, or centralized authentication management. Configure with the `ANTHROPIC_BASE_URL`, `ANTHROPIC_BEDROCK_BASE_URL`, `ANTHROPIC_AWS_BASE_URL`, `ANTHROPIC_VERTEX_BASE_URL`, or `ANTHROPIC_FOUNDRY_BA… Week 18 · April 27 – May 1, 2026 Claude Code CLI · in the page whats-new/2026-w18 …icker can list models from your gateway's `/v1/models` endpoint when `ANTHROPIC_BASE_URL` points at an Anthropic-compatible gateway; opt in with `CLAUDE_CODE_ENABLE_GATEWAY_MODEL_DISCOVERY=1` since v2… Week 25 · June 15–19, 2026 Claude Code CLI · in the page whats-new/2026-w25 …` so both stay availableFixed prompt caching not reading on a custom `ANTHROPIC_BASE_URL` and on Microsoft FoundryFixed Write and Edit producing zero-byte or truncated files on network drives and clou…