- Nexconn LLM API Service
- Quick Start
- Key Concepts and Terminology
- Try Nexconn Large Model API Online
- How to Get API-KEY
- FAQ
- Model
- Chat
- Bypass Interface
- gemini-3.1-pro-preview
- gemini-2.5-pro
- openai/gpt-5
- openai/gpt-5.2
- openai/gpt-5.2-codex
- gemini-2.5-flash
- claude-4.5-sonnet
- claude-4.6-opus
- deepseek/deepseek-v3.2-251201
- deepseek-v3
- claude-3.7-sonnet
- doubao-seed-1.6
- qwen3-max-2026-01-23
- moonshotai/kimi-k2.5
- Chat completionPOST
- Anthropic ProtocolPOST
- Video
- Image Generation
- Files
- Schemas
- Chat
- Video
- Image Generation
- kling-v1
- kling-v1-5
- kling-v2
- kling-v2-new
- kling-v2-1
- gemini-2.5-flash-image
- gemini-3.0-pro-image-preview
- KlingImageTaskResponse
- KlingImageTaskStatusResponse
- ChatCompletionResponse
- ImageGenerationResponse
- FalOmniImageRequest
- Gemini31FlashImageChatCompletionRequest
- Gemini31FlashImageGenerationRequest
- Gemini31FlashImageEditRequest
- ChatMessage
- Gemini31FlashImageConfig
- CreateFileRequest
- QueueStatus
- ContentItem
- FileResponse
- Veo31FirstLastFrameToVideoInput
- ToolItem
- CreateVideoTaskResponse
- FileListResponse
- ApiErrorBody
- FileDeleteResponse
- GetVideoTaskResponse
- Veo31ImageToVideoInput
- Veo31ImageToVideoOutput
- ChatCompletionResponse
- FileError
- ImageGenerationResponse
- ErrorResponse
- KodoSource
- File
- ImageUrlObject
- VideoUrlObject
- AudioUrlObject
- DraftTaskObject
- ChatMessage
- VideoTaskOutputContent
- VideoTaskToolUsageItem
- VideoTaskUsage
Bypass Anthropic Protocol
Developing
POST
/bypass/anthropic/v1/messages
gemini-2.5-flash
gemini-2.5-pro
gemini-3.0-flash-preview
gemini-3.0-pro-preview
gemini-3.1-pro-preview
gemini-3.1-flash-lite-preview
gemini-2.5-flash-lite
gemini-2.5-flash-image
gemini-3.0-pro-image-preview
gemini-3.1-flash-image-preview
Request
Authorization
API Key
Add parameter in header
Authorization
Example:
Authorization: ********************or
Body Params application/jsonRequired
Request Code Samples
Shell
JavaScript
Java
Swift
Go
PHP
Python
HTTP
C
C#
Objective-C
Ruby
OCaml
Dart
R
Request Request Example
Shell
JavaScript
Java
Swift
curl --location 'https://api-xmodel.nexconn.ai/bypass/anthropic/v1/messages' \
--header 'Authorization: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"model": "string",
"max_tokens": 0,
"messages": [
{
"role": "user",
"content": "string"
}
],
"system": "string",
"thinking": {
"type": "enabled",
"budget_tokens": 0,
"display": "summarized"
},
"tools": [
{
"name": "string",
"description": "string",
"input_schema": {
"type": "object",
"properties": {
"property1": "string",
"property2": "string"
},
"required": [
"string"
]
}
}
],
"tool_choice": {
"type": "auto",
"name": "string",
"disable_parallel_tool_use": true
},
"output_config": {
"effort": "low",
"format": {
"type": "json_schema",
"schema": {}
}
},
"temperature": 0,
"top_p": 0,
"top_k": 0,
"stream": true,
"stop_sequences": [
"string"
],
"cache_control": {
"type": "ephemeral",
"ttl": "5m"
},
"service_tier": "auto",
"metadata": {
"user_id": "string"
},
"container": "string",
"inference_geo": "string"
}'Responses
🟢200Success
application/json
Bodyapplication/json
Example
{
"id": "string",
"type": "message",
"role": "assistant",
"model": "string",
"content": [
{
"type": "text",
"text": "string",
"citations": [
{
"type": "char_location",
"cited_text": "string"
}
],
"thinking": "string",
"signature": "string",
"data": "string",
"id": "string",
"name": "string",
"input": {},
"caller": {
"type": "string"
},
"file_id": "string"
}
],
"stop_reason": "end_turn",
"stop_sequence": "string",
"usage": {
"input_tokens": 0,
"output_tokens": 0,
"cache_creation_input_tokens": 0,
"cache_read_input_tokens": 0,
"cache_creation": {
"ephemeral_5m_input_tokens": 0,
"ephemeral_1h_input_tokens": 0
},
"inference_geo": "string",
"service_tier": "standard",
"server_tool_use": {
"web_search_requests": 0,
"web_fetch_requests": 0
}
},
"container": {
"id": "string",
"expires_at": "string"
}
}Modified at 2026-04-24 10:39:56