# anthropic-sdk-python | Anthropic | Knowledge Base | Instagit

GitHub Stars: 2.8k

Repository: https://github.com/anthropics/anthropic-sdk-python

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## Articles

### [How to Migrate from Older Versions of the Anthropic Python SDK to the Modern Messages API](/anthropics/anthropic-sdk-python/how-to-migrate-older-versions-sdk-other-anthropic-sdks)

Migrate your Anthropic Python SDK to the Messages API. Update client.completions.create to client.messages.create for Claude 3 and avoid deprecation.

- Tags: migration-guide
- Published: 2026-02-23

### [How to Handle Long-Running Requests and Avoid Timeouts in the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-handle-long-running-requests-potential-timeouts)

Avoid Anthropic Python SDK timeouts with stream=True or custom timeouts. Safely handle long-running requests and prevent interruptions in your Python applications.

- Tags: how-to-guide
- Published: 2026-02-23

### [Anthropic Python SDK Type Definitions: TypedDicts and Pydantic Models Explained](/anthropics/anthropic-sdk-python/available-type-definitions-typeddicts-pydantic-models)

Explore Anthropic Python SDK type definitions including TypedDicts for requests and Pydantic models for responses. Access all type structures within src/anthropic/types.

- Tags: api-reference
- Published: 2026-02-23

### [How to Enable Logging for Requests and Responses in the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-enable-logging-requests-responses)

Easily enable logging for requests and responses in the Anthropic Python SDK by setting the ANTHROPIC_LOG environment variable to debug. Capture detailed HTTP information.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Manage HTTP Resources and Connection Pooling in the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-manage-http-resources-connection-pooling)

Learn to manage HTTP resources and connection pooling in the Anthropic Python SDK. Customize concurrent connections and keep-alive sockets for efficient API interactions.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Configure Proxies and Custom HTTP Transports in the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-configure-proxies-custom-http-transports)

Learn to configure proxies and custom HTTP transports in the Anthropic Python SDK using environment variables or a custom client for enhanced control. Optimize your SDK network requests today.

- Tags: how-to-guide
- Published: 2026-02-23

### [Making Custom or Undocumented API Requests with the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-make-custom-undocumented-api-requests-sdk)

Learn to make custom or undocumented API requests with the Anthropic Python SDK using the request method and FinalRequestOptions for flexible API access.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Distinguish Between Null and Missing Fields in Anthropic API Responses](/anthropics/anthropic-sdk-python/how-to-distinguish-null-missing-fields-api-responses)

Learn how to distinguish null from missing fields in Anthropic API responses. Use model_fields_set and hasattr to correctly interpret your data and build robust applications.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Use the Asynchronous Anthropic Client with aiohttp](/anthropics/anthropic-sdk-python/how-to-use-asynchronous-client-with-aiohttp)

Learn to integrate the asynchronous Anthropic client with aiohttp by installing the extra and passing DefaultAioHttpClient to the http_client parameter for seamless async HTTP requests.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Perform File Uploads Using the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-perform-file-uploads-using-sdk)

Easily upload files to Anthropic's API with the Python SDK. Learn to use client.beta.files.upload() with file paths, bytes, or file-like objects and get your file ID.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Access Raw Response Headers Using the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-access-raw-response-headers-api)

Easily access raw response headers using the Anthropic Python SDK. Learn how to get the underlying httpx.Response with the .with_raw_response accessor today.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Configure the `anthropic-version` Header in the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-configure-anthropic-version-header)

Easily configure the anthropic-version header in the Anthropic Python SDK. Learn to override the default client-wide or per-request. Unlock flexible API version control today.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Enable and Use Beta Features in the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-enable-use-beta-features-sdk)

Learn how to enable and use beta features in the Anthropic Python SDK by passing beta identifiers to the `betas` parameter in your client requests. Get early access to new capabilities.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Implement Pagination for API Responses in the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-implement-pagination-api-responses)

Learn to implement pagination for API responses using the Anthropic Python SDK. Discover automatic handling via page classes and methods for manual traversal.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Use Custom HTTP Clients like httpx with the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-use-custom-http-clients-httpx-with-sdk)

Configure httpx clients for the Anthropic Python SDK for custom networking. Easily integrate httpx with the SDK's http_client parameter.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Handle and Differentiate Various Error Types from the Anthropic API](/anthropics/anthropic-sdk-python/how-to-handle-differentiate-various-error-types-api)

Learn to handle and differentiate Anthropic API error types with the Python SDK. Catch specific exceptions like RateLimitError for precise error handling and retry logic.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Configure Client Timeouts and Retry Mechanisms in the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-configure-client-timeouts-retry-mechanisms)

Learn how to configure client timeouts and retry mechanisms in the Anthropic Python SDK for reliable API interactions. Optimize your requests today.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Count Tokens Before Sending a Request with the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-count-tokens-before-sending-request-with-sdk)

Discover how to count tokens before sending requests with the Anthropic Python SDK. Use the count_tokens method to preview exact token consumption and avoid unexpected costs. Learn more now.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Use the Message Batches API for Bulk Processing with the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-use-message-batches-api-for-bulk-processing)

Unlock efficient bulk processing with the Anthropic Python SDK Message Batches API. Quickly submit up to 10,000 Claude requests and stream results asynchronously. Learn more now.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Implement Tool Use and Function Calling in the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-implement-tool-use-function-calling-in-sdk)

Learn to implement tool use and function calling in the Anthropic Python SDK. Integrate Claude with external functions using @beta_tool and tool_runner for seamless interaction.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Handle Streaming Responses (SSE) with the Anthropic Python SDK](/anthropics/anthropic-sdk-python/how-to-handle-streaming-responses-sse-with-python-sdk)

Effortlessly handle streaming responses (SSE) with the Anthropic Python SDK. Leverage Stream and AsyncStream for real-time Claude API data processing with minimal code.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Use the Anthropic SDK with Google Vertex AI: Complete Setup Guide](/anthropics/anthropic-sdk-python/how-to-use-anthropic-sdk-with-google-vertex-ai)

Integrate the Anthropic SDK with Google Vertex AI using AnthropicVertex client classes. Authenticate easily with Application Default Credentials and deploy Claude models today.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Use the Anthropic SDK with AWS Bedrock: A Complete Guide](/anthropics/anthropic-sdk-python/how-to-use-anthropic-sdk-with-aws-bedrock)

Learn how to use the Anthropic SDK with AWS Bedrock. This guide details seamless integration with specialized clients for simplified authentication and region management.

- Tags: how-to-guide
- Published: 2026-02-23