[Docs] Update the online serving docs. (#45676)

Signed-off-by: wang.yuqi <[email protected]>
This commit is contained in:
wang.yuqi
2026-06-15 17:23:36 +08:00
committed by GitHub
parent 25c53d1293
commit 1d88c4dadd
4 changed files with 83 additions and 37 deletions
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@@ -184,7 +184,7 @@ Our online Server provides endpoints that correspond to the offline APIs:
- Corresponding to `LLM.classify`:
- [Classification API](classify.md#online-serving)(`/classify`)
- Corresponding to `LLM.score`:
- [Score API](scoring.md#score-api)(`/score`)
- [Score API](scoring.md#score-api) (`/score`, `/v1/score`)
- [Cohere Rerank API](scoring.md#rerank-api) (`/rerank`, `/v1/rerank`, `/v2/rerank`)
- Pooling API (`/pooling`) is similar to `LLM.encode`, being applicable to all types of pooling models.
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@@ -19,7 +19,7 @@ The score models is designed to compute similarity scores between two input prom
- Offline APIs:
- `LLM.score`
- Online APIs:
- [Score API](scoring.md#score-api) (`/score`)
- [Score API](scoring.md#score-api) (`/score`, `/v1/score`)
- [Cohere Rerank API](scoring.md#rerank-api) (`/rerank`, `/v1/rerank`, `/v2/rerank`)
!!! note
@@ -157,7 +157,7 @@ A code example can be found here: [examples/basic/offline_inference/score.py](..
### Score API
Our Score API (`/score`) is similar to `LLM.score`, compute similarity scores between two input prompts.
Our Score API (`/score`, `/v1/score`) is similar to `LLM.score`, compute similarity scores between two input prompts.
#### Parameters
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@@ -9,12 +9,13 @@ We currently support the following OpenAI APIs:
- [Completions API](./openai_compatible_server.md#completions-api) (`/v1/completions`)
- Only applicable to [text generation models](../../models/generative_models.md).
- *Note: `suffix` parameter is not supported.*
- [Responses API](./openai_compatible_server.md#responses-api) (`/v1/responses`)
- Only applicable to [text generation models](../../models/generative_models.md).
- [Chat Completions API](./openai_compatible_server.md#chat-api) (`/v1/chat/completions`)
- Only applicable to [text generation models](../../models/generative_models.md) with a [chat template](./openai_compatible_server.md#chat-template).
- *Note: `user` parameter is ignored.*
- *Note:* Setting the `parallel_tool_calls` parameter to `false` ensures vLLM only returns zero or one tool call per request. Setting it to `true` (the default) allows returning more than one tool call per request. There is no guarantee more than one tool call will be returned if this is set to `true`, as that behavior is model dependent and not all models are designed to support parallel tool calls.
- [Chat Completions batch API](./openai_compatible_server.md#chat-api) (`/v1/chat/completions/batch`)
- [Responses API](./openai_compatible_server.md#responses-api) (`/v1/responses`, `/v1/responses/{response_id}`, `/v1/responses/{response_id}/cancel`)
- Only applicable to [text generation models](../../models/generative_models.md).
- [Embeddings API](../../models/pooling_models/embed.md#openai-compatible-embeddings-api) (`/v1/embeddings`)
- Only applicable to [embedding models](../../models/pooling_models/embed.md).
- [Transcriptions API](./speech_to_text.md#transcriptions-api) (`/v1/audio/transcriptions`)
@@ -24,7 +25,7 @@ We currently support the following OpenAI APIs:
## Anthropic APIs
- Anthropic messages API (`/v1/messages`)
- Anthropic messages API (`/v1/messages`, `/v1/messages/count_tokens`)
## Cohere APIs
@@ -35,10 +36,6 @@ We currently support the following OpenAI APIs:
- Implements [Jina AI's v1 rerank API](https://jina.ai/reranker/)
- compatible with [Cohere's v1 & v2 rerank APIs](https://docs.cohere.com/v2/reference/rerank)
## SageMaker APIs
- `/invocations` - SageMaker-compatible endpoint (routes to the same inference functions as `/v1` endpoints)
## Pooling APIs
For further details on pooling models, please refer to [this page](../../models/pooling_models/README.md).
@@ -51,7 +48,7 @@ For further details on pooling models, please refer to [this page](../../models/
- [OpenAI-compatible Embeddings API](../../models/pooling_models/embed.md#openai-compatible-embeddings-api) (`/v1/embeddings`)
- Only applicable to [embedding models](../../models/pooling_models/embed.md).
- [Scoring Usages](../../models/pooling_models/scoring.md)
- [Score API](../../models/pooling_models/scoring.md#score-api) (`/score`)
- [Score API](../../models/pooling_models/scoring.md#score-api) (`/score`, `/v1/score`)
- [Cohere Rerank API](../../models/pooling_models/scoring.md#rerank-api) (`/rerank`, `/v1/rerank`, `/v2/rerank`)
- Applicable to [score models](../../models/pooling_models/scoring.md) (cross-encoder, bi-encoder, late-interaction).
- [Pooling API](../../models/pooling_models/README.md#pooling-api) (`/pooling`)
@@ -68,17 +65,6 @@ For further details on speech to text, please refer to [this page](speech_to_tex
- [Realtime API](./speech_to_text.md#realtime-api) (`/v1/realtime`)
- Only applicable to [Automatic Speech Recognition (ASR) models](../../models/supported_models.md#realtime-transcription).
## Disaggregated APIs
### Renderer APIs
For further details on renderer APIs, please refer to [this page](renderer.md).
- [Completions Render API](renderer.md) (`/v1/completions/render`)
- Render completion requests
- [Chat Completions Render API](renderer.md) (`/v1/chat/completions/render`)
- Render chat completions
## Custom APIs
- [Classification API](../../models/pooling_models/classify.md#classification-api) (`/classify`)
@@ -91,14 +77,79 @@ For further details on renderer APIs, please refer to [this page](renderer.md).
- Applicable to [CausalLM models](../../models/generative_models.md) (task `"generate"`).
- Computes next-token probabilities for specified `label_token_ids`.
## Utility APIs
## Instrumentator APIs
### Basic APIs
- `/version` - Version information
- `/load` - Server load metrics
- `/v1/models` - List available models
- `/health` - Health check
### Metrics APIs
For further details on metrics, please refer to [this page](../../design/metrics.md).
- `/metrics` - Prometheus-compatible metrics HTTP endpoint
### Offline API Documentation
The FastAPI `/docs` endpoint requires an internet connection by default. To enable offline access in air-gapped environments, use the `--enable-offline-docs` flag:
```bash
vllm serve NousResearch/Meta-Llama-3-8B-Instruct --enable-offline-docs
```
### LoRA dynamic loading
LoRA dynamic loading & unloading is enabled in the API server. This should ONLY be used for local development!
- `/v1/load_lora_adapter` - LoRA dynamic loading
- `/v1/unload_lora_adapter` - LoRA dynamic unloading
### Profiling APIs
For further details on profiling vLLM, please refer to [this page](../../contributing/profiling.md).
- `/start_profile` - Start PyTorch profiler
- `/stop_profile` - Stop PyTorch profiler
### SageMaker APIs
- `/ping` - SageMaker health check
- `/invocations` - SageMaker-compatible endpoint (routes to the same inference functions as `/v1` endpoints)
## Disaggregated Everything
### Tokens IN <> Tokens OUT
- `/inference/v1/generate` - Generate completions
- `/abort_requests` - Abort in-flight requests (only when `--tokens-only` is also set)
### Renderer APIs
For further details on renderer APIs, please refer to [this page](renderer.md).
- [Completions Render API](renderer.md) (`/v1/completions/render`)
- Render completion requests
- [Chat Completions Render API](renderer.md) (`/v1/chat/completions/render`)
- Render chat completions
### Derenderer APIs
- `/v1/completions/derender` - Derenderer completion requests
- `/v1/chat/completions/derender` - Derenderer chat completion requests
## Tokenize APIs
- `/tokenize` - Tokenize text
- `/detokenize` - Detokenize tokens
- `/health` - Health check
- `/ping` - SageMaker health check
- `/version` - Version information
- `/load` - Server load metrics
- `/tokenizer_info` - Get comprehensive tokenizer information including chat templates and configuration
## Elastic Expert Parallelism (EEP)
- `/scale_elastic_ep` - Trigger scaling operations
- `/is_scaling_elastic_ep` - Check if scaling is in progress
## Server in development mode
@@ -120,7 +171,9 @@ For further details on Weight Transfer, please refer to [this page](../../traini
- `/resume` - Resume generation
- `/is_paused` - Check if generation is paused
- `/init_weight_transfer_engine` - Initialize weight transfer engine for RLHF
- `/start_weight_update` - Prepares the inference engine for a weight update.
- `/update_weights` - Update model weights (can alter model behavior)
- `/finish_weight_update` - Finalizes the weight update
- `/get_world_size` - Get distributed world size
### Collective RPC
@@ -189,14 +242,6 @@ the detected format, which can be one of:
If the result is not what you expect, you can set the `--chat-template-content-format` CLI argument
to override which format to use.
## Offline API Documentation
The FastAPI `/docs` endpoint requires an internet connection by default. To enable offline access in air-gapped environments, use the `--enable-offline-docs` flag:
```bash
vllm serve NousResearch/Meta-Llama-3-8B-Instruct --enable-offline-docs
```
## Ray Serve LLM
Ray Serve LLM enables scalable, production-grade serving of the vLLM engine. It integrates tightly with vLLM and extends it with features such as auto-scaling, load balancing, and back-pressure.
@@ -9,12 +9,13 @@ We currently support the following OpenAI APIs:
- [Completions API](#completions-api) (`/v1/completions`)
- Only applicable to [text generation models](../../models/generative_models.md).
- *Note: `suffix` parameter is not supported.*
- [Responses API](#responses-api) (`/v1/responses`)
- Only applicable to [text generation models](../../models/generative_models.md).
- [Chat Completions API](#chat-api) (`/v1/chat/completions`)
- Only applicable to [text generation models](../../models/generative_models.md) with a [chat template](../online_serving/README.md#chat-template).
- *Note: `user` parameter is ignored.*
- *Note:* Setting the `parallel_tool_calls` parameter to `false` ensures vLLM only returns zero or one tool call per request. Setting it to `true` (the default) allows returning more than one tool call per request. There is no guarantee more than one tool call will be returned if this is set to `true`, as that behavior is model dependent and not all models are designed to support parallel tool calls.
- [Chat Completions batch API](#chat-api) (`/v1/chat/completions/batch`)
- [Responses API](#responses-api) (`/v1/responses`, `/v1/responses/{response_id}`, `/v1/responses/{response_id}/cancel`)
- Only applicable to [text generation models](../../models/generative_models.md).
- [Embeddings API](../../models/pooling_models/embed.md#openai-compatible-embeddings-api) (`/v1/embeddings`)
- Only applicable to [embedding models](../../models/pooling_models/embed.md).
- [Transcriptions API](./speech_to_text.md#transcriptions-api) (`/v1/audio/transcriptions`)