# vLLM OpenAI-Compatible Server

**Canonical:** https://apis.io/apis/vllm/openai-compatible/  
**Provider:** vLLM — https://apis.io/providers/vllm/  
**Base URL:** http://localhost:8000/v1  
**Documentation:** https://docs.vllm.ai/en/latest/serving/openai_compatible_server.html

vLLM OpenAI-Compatible Server is one of 7 APIs that [vLLM](https://apis.io/providers/vllm/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Chat, Completions, Embeddings, Audio, and Score. The published artifact set on APIs.io includes API documentation.

OpenAI-compatible REST API exposed by `vllm serve`. Endpoints include /v1/chat/completions, /v1/completions, /v1/embeddings, /v1/score, /v1/audio/transcriptions, /v1/audio/translations, /v1/realtime (WebSocket), /tokenize, /detokenize, and /generative_scoring. Authentication via the --api-key flag set on server start; clients can use the official OpenAI Python library unmodified, with vLLM-specific extensions passed via extra_body.

## Machine-readable artifacts (4)

- **Documentation** — https://docs.vllm.ai/en/latest/serving/openai_compatible_server.html
- **GitHub** — https://github.com/vllm-project/vllm
- **OpenAICompat** — https://platform.openai.com/docs/api-reference
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/vllm/refs/heads/main/apis.yml

## Other vLLM APIs (6)

- [vLLM Audio API](https://apis.io/apis/vllm/vllm-audio-api/)
- [vLLM Chat API](https://apis.io/apis/vllm/vllm-chat-api/)
- [vLLM Completions API](https://apis.io/apis/vllm/vllm-completions-api/)
- [vLLM Embeddings API](https://apis.io/apis/vllm/vllm-embeddings-api/)
- [vLLM Scoring API](https://apis.io/apis/vllm/vllm-scoring-api/)
- [vLLM Tokenize API](https://apis.io/apis/vllm/vllm-tokenize-api/)

## Tags

Chat, Completions, Embeddings, Audio, Score, OpenAI-Compatible

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