# Anthropic

**Canonical:** https://apis.io/providers/anthropic/  
**Website:** https://platform.claude.com/docs/en/home  
**APIs profiled:** 24

Anthropic is an AI safety company and creator of the Claude family of large language models (Opus, Sonnet, Haiku). The Claude API provides access to Claude models for text generation, vision, tool use, extended thinking, batch processing, and agentic workflows including managed agents, skills, memory, compaction, and computer use. Anthropic also publishes the open Model Context Protocol (MCP) for standardized AI tool integration and ships Claude Code, the terminal-based agentic coding tool.

## Kin Score — 68.9 / 100 (exemplar)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+2.4 from 66.5).

| Facet | Score |
|---|---|
| Discoverability | 77.8 |
| Contract Quality | 84.7 |
| Governance | 28.0 |
| Contract Governance | 28.0 |
| Operational Transparency | 44.7 |
| Developer Ergonomics | 85.7 |
| Commercial Clarity | 68.4 |
| Access Clarity | 68.4 |

## Agent readiness — 50.8 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| Rate Limit Signal | verified |
| Event Surface Described | derived |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | yes |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Paid · Self-serve signup — onboarding: self-serve, pricing: paid, trial: no (confidence: high).

## APIs (24)

- **Anthropic Messages API** — Send a structured list of input messages with text and/or image content, and the model will generate the next message in the conversation. The Messages API supports text, images...
- **Anthropic Models API** — List and inspect Claude models including Opus 4.7, Sonnet 4.6, and Haiku 4.5. The response includes max_input_tokens, max_tokens, and a capabilities object for every model so cl...
- **Anthropic Message Batches API** — Send a batch of Message creation requests at 50% off both input and output tokens. Batches can take up to 24 hours to complete. Supports up to 300k output tokens per request on ...
- **Anthropic Files API** — The Files API lets you upload and manage files for reuse across Messages, Batches, code execution, and Managed Agents without re-uploading content. 500 MB request limit; support...
- **Anthropic Token Counting API** — Count the number of tokens in a Message, including tools, images, and documents, without creating it. The Token Count API accepts the same structured list of inputs as Messages ...
- **Anthropic Skills API** — Create and manage custom Agent Skills. Skills are filesystem-based directories of instructions, scripts, and resources that Claude loads on demand via progressive disclosure. Wo...
- **Anthropic Claude Code Analytics API** — Daily aggregated user-level Claude Code productivity metrics — sessions, lines of code, commits, pull requests, tool actions, and estimated costs by model — via /v1/organization...
- **Anthropic Agents API** — Reusable, versioned agent configurations
- **Anthropic Api Keys API** — Monitor and manage API keys
- **Anthropic Cost API** — Service-level cost reporting
- **Anthropic Environments API** — Container configuration for agent sessions
- **Anthropic Events API** — User messages and tool results sent to a session
- **Anthropic Organization API** — Retrieve organization information and settings
- **Anthropic Organization Invites API** — Create and manage organization invitations
- **Anthropic Organization Members API** — Manage organization members and their roles
- **Anthropic Prompt Generation API** — APIs for generating well-written prompts for specified tasks
- **Anthropic Prompt Improvement API** — APIs for enhancing existing prompts with feedback
- **Anthropic Prompt Templatization API** — APIs for converting prompts into reusable templates with variables
- **Anthropic Sessions API** — Stateful agent execution instances
- **Anthropic Skill Versions API** — Manage versions of a Skill
- **Anthropic Tokens API** — APIs for counting tokens in messages
- **Anthropic Usage API** — Token usage and consumption reporting
- **Anthropic Workspace Members API** — Manage workspace membership and roles
- **Anthropic Workspaces API** — Create and manage workspaces within an organization

## MCP servers (1)

- **Anthropic MCP Server**

## Agentic access (1)

- **Anthropic Agentic Access** — 71 operations · 37 acting · 3 human-in-the-loop

## Security (4)

- **Anthropic Authentication** — apiKey · 1 scheme
- **Anthropic Domain Security** — TLSv1.3 · HSTS · DMARC
- **Anthropic Vulnerability Disclosure** — Hackerone · security.txt · contact published
- **Anthropic Trust Center** — SOC 2 Type I, SOC 2 Type II, ISO 27001:2022, ISO/IEC 42001:2023, HIPAA

## Plans (1)

- **Anthropic Plans Pricing**

## Tags

Artificial Intelligence, Claude, Foundation Models, Large Language Models, Machine-Learning, MCP, Agents

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/anthropic/). Scores are computed from the provider's own public artifacts under a published rubric.