392 pages for import.

errors Claude Developer Platform · in the page api/errors …uest ID:", response.Header.Get("request-id")) ``` ```java Java import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.co… Messages Claude Developer Platform · in the page api/messages …will perform. You can use natural language descriptions to reinforce important aspects of the tool input JSON schema. - `eager_input_streaming: optional boolean or null` Enable eager inpu… Batches Claude Developer Platform · in the page api/messages/batches …will perform. You can use natural language descriptions to reinforce important aspects of the tool input JSON schema. - `eager_input_streaming: optional boolean or null` Enable ea… Create a Message Batch Claude Developer Platform · in the page api/messages/batches/create …will perform. You can use natural language descriptions to reinforce important aspects of the tool input JSON schema. - `eager_input_streaming: optional boolean or null` Enable ea… Count tokens in a Message Claude Developer Platform · in the page api/messages/count_tokens …will perform. You can use natural language descriptions to reinforce important aspects of the tool input JSON schema. - `eager_input_streaming: optional boolean or null` Enable eager inpu… Create a Message Claude Developer Platform · in the page api/messages/create …will perform. You can use natural language descriptions to reinforce important aspects of the tool input JSON schema. - `eager_input_streaming: optional boolean or null` Enable eager inpu… Before Claude Developer Platform · in the page api/migration-2026-10-21 …cs/anthropic-sdk-go/v2`. A new major version of a Go module has a new import path, so change each import of `github.com/anthropics/anthropic-sdk-go`, and of its packages such as `github.com/anthropics… Message Batches API Claude Developer Platform · in the page build-with-claude/batch-processing …``` ```python Python from anthropic.types.message_create_params import MessageCreateParamsNonStreaming from anthropic.types.messages.batch_create_params import Request client = anthropic.An… citations Claude Developer Platform · in the page build-with-claude/citations …document mentions " }, { "type": "text", "text": "important findings", "citations": [ { "type": "content_block_location", "cited_text": "These are… claude-in-amazon-bedrock Claude Developer Platform · in the page build-with-claude/claude-in-amazon-bedrock …DK. </Tab> <Tab title="Python"> ```python from anthropic import AnthropicBedrockMantle client = AnthropicBedrockMantle(aws_region="us-east-1") message = client.messages.create(… claude-in-microsoft-foundry Claude Developer Platform · in the page build-with-claude/claude-in-microsoft-foundry …message '{role: user, content: "Hello!"}' ``` ```python Python import os from anthropic import AnthropicFoundry client = AnthropicFoundry( api_key=os.environ.get("ANTHROPIC_FOUNDRY_A… anthropic-managed Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/anthropic-managed …e with Claude Models on Google Cloud (Anthropic managed), replace its import and client constructor with the ones in the following examples. For a cURL sample, apply the three differences listed earli… google-managed Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/google-managed …gle managed). </CodeGroupItem> ```python Python from anthropic import AnthropicVertex project_id = "MY_PROJECT_ID" region = "global" client = AnthropicVertex(project_id=project_id, regi… claude-on-amazon-bedrock-legacy Claude Developer Platform · in the page build-with-claude/claude-on-amazon-bedrock-legacy …1.0</version> </dependency> ``` ```java Java import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anth… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …```python Python from token_generator_for_aws_external_anthropic import TokenGenerator from anthropic import AnthropicAWS token = TokenGenerator(region="us-west-2").get_token() client = A… sent_count = len(messages sent in the compaction request) Claude Developer Platform · in the page build-with-claude/compaction …response.ToParam()) fmt.Println(response) ``` ```java Java import com.anthropic.models.beta.messages.BetaContextManagementConfig; import com.anthropic.models.beta.messages.BetaCompact2026… compaction-background Claude Developer Platform · in the page build-with-claude/compaction-background …up exclude="shell, php"> ```python Python from concurrent.futures import Future, ThreadPoolExecutor import anthropic from anthropic.types.beta import BetaMessage, BetaMessageParam client =… compaction-keep-recent-turns Claude Developer Platform · in the page build-with-claude/compaction-keep-recent-turns …Group exclude="shell"> ```python Python from anthropic.types.beta import BetaMessageParam client = anthropic.Anthropic() # Set this near your real input budget. It is low here so a short con… compaction-on-demand Claude Developer Platform · in the page build-with-claude/compaction-on-demand …ummarize YAML ``` ```python Python from anthropic.types.beta import BetaMessageParam client = anthropic.Anthropic() history: list[BetaMessageParam] = [ { "role": "user",… compaction-thinking-blocks Claude Developer Platform · in the page build-with-claude/compaction-thinking-blocks …Group exclude="shell"> ```python Python from anthropic.types.beta import BetaMessageParam, BetaThinkingConfigParam client = anthropic.Anthropic() # Claude Fable 5.1 is the first model that c… compaction-threshold Claude Developer Platform · in the page build-with-claude/compaction-threshold …response.ToParam()) fmt.Println(response) ``` ```java Java import com.anthropic.models.beta.messages.BetaContextManagementConfig; import com.anthropic.models.beta.messages.BetaCompact2026… context-editing Claude Developer Platform · in the page build-with-claude/context-editing …log.Fatal(err) } fmt.Println(response) ``` ```java Java import com.anthropic.models.beta.messages.BetaWebSearchTool20250305; import com.anthropic.models.beta.messages.BetaContextManage… context-windows Claude Developer Platform · in the page build-with-claude/context-windows …known as *context rot*. This makes curating what's in context just as important as how much space is available. <Tip> For more on why long contexts degrade and how to engineer around it, see [Effec… effort Claude Developer Platform · in the page build-with-claude/effort …ok { fmt.Println(textBlock.Text) } } ``` ```java Java import com.anthropic.models.messages.OutputConfig; void main() { AnthropicClient client = AnthropicOkHttpClient.fromEnv()… This will automatically use the environment variable VOYAGE_API_KEY. Claude Developer Platform · in the page build-with-claude/embeddings …embedding lookup speed and end-to-end latency. This is a particularly important consideration for large-scale production deployments. * Customization: options for continued training on private data, o… extended-thinking Claude Developer Platform · in the page build-with-claude/extended-thinking …Printf("\nResponse: %s", block.Text) } } ``` ```java Java import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.messages.MessageCreateParams; import com… fast-mode Claude Developer Platform · in the page build-with-claude/fast-mode …panic(err) } fmt.Println(message) } ``` ```java Java import com.anthropic.errors.InternalServerException; import com.anthropic.errors.RateLimitException; // ... // Disable SDK a… files Claude Developer Platform · in the page build-with-claude/files …ext": print(block.text) ``` ```typescript TypeScript import fs from "node:fs/promises"; // ... const client = new Anthropic(); // Read the text file const textContent = await… handling-stop-reasons Claude Developer Platform · in the page build-with-claude/handling-stop-reasons …l valid but was limited by context window } ``` ```java Java import com.anthropic.models.beta.messages.BetaMessage; import com.anthropic.models.beta.messages.BetaStopReason; import com.an… mid-conversation-effort-example Claude Developer Platform · in the page build-with-claude/mid-conversation-effort-example …lf. <CodeGroup exclude="shell:cURL, shell:CLI"> ```python Python import atexit import concurrent.futures import hashlib import json import os import shutil import subprocess import… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …ok { fmt.Println(textBlock.Text) } } ``` ```java Java import com.anthropic.models.beta.AnthropicBeta; import com.anthropic.models.beta.messages.BetaMessage; import com.anthropic.mo… multilingual-support Claude Developer Platform · in the page build-with-claude/multilingual-support …s for this evaluation ensures high-quality translations, particularly important for languages with fewer digital resources. </Note> *** ## Set the response language Claude infers the response langu… overview Claude Developer Platform · in the page build-with-claude/overview …n) | Extended 1-hour cache duration for less frequently accessed but important context, complementing the standard 5-minute cache.… pdf-support Claude Developer Platform · in the page build-with-claude/pdf-support …egacy), there are two distinct document processing modes: <Note> **Important:** To access Claude's full visual PDF understanding capabilities in the Converse API, you must enable citations. Without… preserved-thinking Claude Developer Platform · in the page build-with-claude/preserved-thinking …s: %d\n", len(response.InputTransformations)) ``` ```java Java import com.anthropic.models.beta.AnthropicBeta; import com.anthropic.models.beta.messages.BetaMessage; import com.anthropic.mo… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …) } fmt.Println(response.Usage.RawJSON()) ``` ```java Java import com.anthropic.models.messages.CacheControlEphemeral; // ... public class PromptCachingExample { public static vo… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …your instructions, such as explaining to Claude why such behavior is important, can give Claude more information about your goals and help it deliver more targeted responses. <Accordion title="Examp… Delivering work Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5-1 …e nudge follows it. <CodeGroup exclude="shell"> ```python Python import anthropic from anthropic.types.beta import ( BetaMessageParam, BetaToolParam, BetaToolResultBlockParam,… prompting-claude-opus-4-8 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-4-8 …rough the problem before responding. ``` Effort is likely to be more important for this model than for any prior Opus, so experiment with it actively when you upgrade. On Claude Opus 4.8, thinking i… prompting-claude-opus-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5 …o do. While working, give a brief update only when you find something important or change direction. When you finish, lead with the outcome: your first sentence should answer "what happened" or "what… prompting-claude-sonnet-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5 …users. When limiting the number of required user interactions, it's important to specify the task, intent, and relevant constraints upfront in the first human turn. Providing well-specified, clear,… refusals-and-fallback Claude Developer Platform · in the page build-with-claude/refusals-and-fallback …back-credit). </CodeGroupItem> ```python Python from anthropic import Anthropic, BetaFallbackState, BetaRefusalFallbackMiddleware # On a refusal, the middleware retries on the listed fallbac… search-results Claude Developer Platform · in the page build-with-claude/search-results …ntent). </CodeGroupItem> ```python Python from anthropic.types import ( MessageParam, TextBlockParam, SearchResultBlockParam, ToolResultBlockParam, ) client = Anthr… skills-guide Claude Developer Platform · in the page build-with-claude/skills-guide …log.Fatal(err) } fmt.Println(response) ``` ```java Java import com.anthropic.models.messages.ContainerParams; import com.anthropic.models.messages.SkillParams; import com.anthropic.m… structured-outputs Claude Developer Platform · in the page build-with-claude/structured-outputs …``` </Tab> <Tab title="Python"> ```python from pydantic import BaseModel # ... class ContactInfo(BaseModel): name: str email: str plan_interest: str… thinking Claude Developer Platform · in the page build-with-claude/thinking …fmt.Printf("\nResponse: %s", v.Text) } } ``` ```java Java import com.anthropic.models.messages.ThinkingConfigAdaptive; void main() { AnthropicClient client = AnthropicOkHttpClient… thinking-steering-and-cost Claude Developer Platform · in the page build-with-claude/thinking-steering-and-cost …/prompt-caching) page. </CodeGroupItem> ```python Python import requests client = Anthropic() def fetch_article_content(url): text = requests.get(url).text line… thinking-tool-workflows Claude Developer Platform · in the page build-with-claude/thinking-tool-workflows …} fmt.Println(response) ``` ```java Java import com.anthropic.models.messages.ThinkingConfigAdaptive; // ... AnthropicClient client = AnthropicOkHttpClient… token-counting Claude Developer Platform · in the page build-with-claude/token-counting …log.Fatal(err) } fmt.Println(response) ``` ```java Java import com.anthropic.models.messages.MessageCountTokensParams; import com.anthropic.models.messages.MessageTokensCount; // ...… vision Claude Developer Platform · in the page build-with-claude/vision …], ) print(message.content) ``` ```typescript TypeScript import Anthropic, { toFile } from "@anthropic-ai/sdk"; import fs from "node:fs"; const anthropic = new Anthropic(); // Upl…