Anthropic Claude

aid: anthropic-claude
name: Anthropic Claude
description: >-
  Anthropic Claude is a family of frontier large language models (Opus, Sonnet,
  Haiku) accessible via the Anthropic API for building AI assistants, agents,
  and integrations. The API supports streaming chat completions, tool use,
  vision, prompt caching, batch processing, the Files API, computer use, and the
  Model Context Protocol, with authentication via x-api-key headers and a base
  URL at api.anthropic.com.
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
  - Artificial Intelligence
  - Large Language Models
  - LLM
  - Generative AI
  - Chat
  - Agents
  - Claude
url: >-
  https://raw.githubusercontent.com/api-evangelist/anthropic-claude/refs/heads/main/apis.yml
created: '2026-05-11'
modified: '2026-05-29'
specificationVersion: '0.19'
apis:
  - aid: anthropic-claude:messages-api
    name: Anthropic Claude Messages API
    description: >-
      REST API for sending messages to Claude models with support for streaming,
      tool use, vision, system prompts, prompt caching, and extended thinking.
      Authentication uses an x-api-key header with an anthropic-version header.
    humanURL: https://docs.anthropic.com/en/api/messages
    baseURL: https://api.anthropic.com
    tags:
      - Messages
      - Chat
      - Completions
      - Tool Use
      - Vision
      - Streaming
    properties:
      - type: Documentation
        url: https://docs.anthropic.com/en/api/messages
      - type: APIReference
        url: https://docs.anthropic.com/en/api/getting-started
      - type: OpenAPI
        url: openapi/anthropic-claude-openapi.yml
      - type: AsyncAPI
        url: asyncapi/anthropic-claude-asyncapi.yml
      - type: GettingStarted
        url: https://docs.anthropic.com/en/api/getting-started
common:
  - type: Website
    url: https://www.anthropic.com
  - type: Documentation
    url: https://docs.anthropic.com
  - type: APIReference
    url: https://docs.anthropic.com/en/api/getting-started
  - type: Console
    url: https://console.anthropic.com
  - type: SignUp
    url: https://console.anthropic.com/login
  - type: Pricing
    url: https://www.anthropic.com/pricing
  - type: Models
    url: https://docs.anthropic.com/en/docs/about-claude/models
  - type: Authentication
    url: https://docs.anthropic.com/en/api/getting-started
  - type: RateLimits
    url: https://docs.anthropic.com/en/api/rate-limits
  - type: Errors
    url: https://docs.anthropic.com/en/api/errors
  - type: Versioning
    url: https://docs.anthropic.com/en/api/versioning
  - type: StatusPage
    url: https://status.anthropic.com
  - type: Support
    url: https://support.anthropic.com
  - type: PrivacyPolicy
    url: https://www.anthropic.com/legal/privacy
  - type: TermsOfService
    url: https://www.anthropic.com/legal/commercial-terms
  - type: GitHubOrganization
    url: https://github.com/anthropics
  - type: Python SDK
    url: https://github.com/anthropics/anthropic-sdk-python
  - type: TypeScript SDK
    url: https://github.com/anthropics/anthropic-sdk-typescript
  - type: Cookbook
    url: https://github.com/anthropics/anthropic-cookbook
  - type: Claude Code
    url: https://www.anthropic.com/claude-code
  - type: Model Context Protocol
    url: https://modelcontextprotocol.io
  - type: Blog
    url: https://www.anthropic.com/news
  - type: X (Twitter)
    url: https://x.com/AnthropicAI
  - type: LinkedIn
    url: https://www.linkedin.com/company/anthropicresearch
  - type: YouTube
    url: https://www.youtube.com/@anthropic-ai
  - name: MCP Server
    url: https://github.com/anthropics/claude-ai-mcp
    type: MCPServer
features:
  - name: Frontier Models
    description: >-
      Access to Claude Opus, Sonnet, and Haiku families of large language models
      with industry-leading reasoning, coding, and agentic capabilities.
  - name: Tool Use
    description: >-
      Define custom tools that Claude can invoke during conversations to call
      external APIs, query databases, or execute code.
  - name: Vision
    description: >-
      Multi-modal input supports images alongside text for analysis, OCR,
      diagrams, and document understanding.
  - name: Prompt Caching
    description: >-
      Cache large prompts (system instructions, documents, examples) to reduce
      cost and latency on subsequent requests.
  - name: Streaming
    description: >-
      Server-sent events stream responses token-by-token for low-latency
      interactive experiences.
  - name: Batch API
    description: >-
      Submit large batches of asynchronous requests at 50 percent discount with
      results delivered within 24 hours.
  - name: Files API
    description: >-
      Upload and reference files for use across Messages, batches, and
      computer-use sessions.
  - name: Computer Use
    description: >-
      Allow Claude to control a virtual computer (screenshots, mouse, keyboard)
      to complete multi-step tasks autonomously.
  - name: Extended Thinking
    description: >-
      Enable extended reasoning steps for harder problems with transparent
      thinking traces.
useCases:
  - name: AI Assistants and Chatbots
    description: >-
      Build conversational assistants for customer support, productivity, and
      knowledge work powered by Claude models.
  - name: Coding Agents
    description: >-
      Power software engineering agents that read, edit, run, and test code
      across large repositories.
  - name: Document Processing
    description: >-
      Extract, summarize, and analyze long documents using large context windows
      and vision capabilities.
  - name: Content Generation
    description: >-
      Generate marketing copy, technical writing, translations, and creative
      content at scale.
  - name: Agentic Workflows
    description: >-
      Orchestrate multi-step agent workflows using tool use, MCP servers, and
      computer use for end-to-end task automation.
integrations:
  - name: Amazon Bedrock
    description: Access Claude models via the AWS Bedrock API
  - name: Google Cloud Vertex AI
    description: Access Claude models via Google Cloud Vertex AI
  - name: Model Context Protocol
    description: Open protocol for connecting Claude to external tools and data sources
  - name: LangChain
    description: First-class LangChain integration for chains and agents
  - name: LlamaIndex
    description: Use Claude as the LLM for RAG and indexing workflows
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com