# Ollama Anthropic Compatibility API

**Canonical:** https://apis.io/apis/ollama/ollama-anthropic-compatibility-api/  
**Provider:** Ollama — https://apis.io/providers/ollama/  
**Base URL:** http://localhost:11434  
**Documentation:** https://docs.ollama.com/api/anthropic-compatibility

Ollama Anthropic Compatibility API is one of 14 APIs that [Ollama](https://apis.io/providers/ollama/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Anthropic, Chat, Compatibility, and Large Language Models. The published artifact set on APIs.io includes API documentation and an engineering blog.

Ollama provides compatibility with the Anthropic Messages API, enabling tools like Claude Code to work with locally-running open-source models. Supports messages, streaming, system prompts, tool calling, extended thinking, and vision input.

## Machine-readable artifacts (2)

- **Documentation** — https://docs.ollama.com/api/anthropic-compatibility
- **Blog** — https://ollama.com/blog/claude

## Other Ollama APIs (12)

- [Ollama OpenAI Compatibility API](https://apis.io/apis/ollama/ollama-openai-compatibility-api/)
- [Ollama Cloud API](https://apis.io/apis/ollama/ollama-cloud-api/)
- [Ollama Blobs API](https://apis.io/apis/ollama/ollama-blobs-api/)
- [Ollama Chat API](https://apis.io/apis/ollama/ollama-chat-api/)
- [Ollama Chat Completions API](https://apis.io/apis/ollama/ollama-chat-completions-api/)
- [Ollama Completions API](https://apis.io/apis/ollama/ollama-completions-api/)
- [Ollama Embeddings API](https://apis.io/apis/ollama/ollama-embeddings-api/)
- [Ollama Generate API](https://apis.io/apis/ollama/ollama-generate-api/)
- [Ollama Images API](https://apis.io/apis/ollama/ollama-images-api/)
- [Ollama Models API](https://apis.io/apis/ollama/ollama-models-api/)
- [Ollama Responses API](https://apis.io/apis/ollama/ollama-responses-api/)
- [Ollama Running Models API](https://apis.io/apis/ollama/ollama-running-models-api/)

## Tags

Anthropic, Chat, Compatibility, Large Language Models

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