# Anthropic Models API

**Canonical:** https://apis.io/apis/anthropic/anthropic-models-api/  
**Provider:** Anthropic — https://apis.io/providers/anthropic/  
**Documentation:** https://docs.anthropic.com/en/api/models-list

Anthropic Models API is one of 24 APIs that [Anthropic](https://apis.io/providers/anthropic/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Artificial Intelligence and Models. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

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 clients can discover model properties programmatically.

## Machine-readable artifacts (2)

- **Documentation** — https://docs.anthropic.com/en/api/models-list
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/anthropic/refs/heads/main/openapi/anthropic-models-api-openapi.yml

## Other Anthropic APIs (12)

- [Anthropic Messages API](https://apis.io/apis/anthropic/anthropic-messages-api/)
- [Anthropic Message Batches API](https://apis.io/apis/anthropic/anthropic-message-batches-api/)
- [Anthropic Files API](https://apis.io/apis/anthropic/anthropic-files-api/)
- [Anthropic Token Counting API](https://apis.io/apis/anthropic/anthropic-token-counting-api/)
- [Anthropic Skills API](https://apis.io/apis/anthropic/anthropic-skills-api/)
- [Anthropic Claude Code Analytics API](https://apis.io/apis/anthropic/anthropic-claude-code-analytics-api/)
- [Anthropic Agents API](https://apis.io/apis/anthropic/anthropic-agents-api/)
- [Anthropic Api Keys API](https://apis.io/apis/anthropic/anthropic-api-keys-api/)
- [Anthropic Cost API](https://apis.io/apis/anthropic/anthropic-cost-api/)
- [Anthropic Environments API](https://apis.io/apis/anthropic/anthropic-environments-api/)
- [Anthropic Events API](https://apis.io/apis/anthropic/anthropic-events-api/)
- [Anthropic Organization API](https://apis.io/apis/anthropic/anthropic-organization-api/)

## Tags

Artificial Intelligence, Models

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/anthropic/anthropic-models-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/anthropic/.