Native Claude Format

POST /v1/messages

Request Parameters

Parameter	Type	Required	Description
anthropic-version (header)	string	Required	Anthropic API Version
x-api-key (header)	string	Optional	Anthropic API Key (Optional, or use Bearer Token)
model	string	Required	-
messages	array<object>	Required	-
messages[].role	string	Required	-
messages[].content	string | array<object>	Required	-
system	string | array<object>	Optional	-
max_tokens	integer	Required	-
temperature	number	Optional	-
top_p	number	Optional	-
top_k	integer	Optional	-
stream	boolean	Optional	-
stop_sequences	array<string>	Optional	-
tools	array<object>	Optional	-
tools[].name	string	Optional	-
tools[].description	string	Optional	-
tools[].input_schema	object	Optional	-
tool_choice	object	Optional	-
thinking	object	Optional	-
thinking.type	string	Optional	-
thinking.budget_tokens	integer	Optional	-
metadata	object	Optional	-
metadata.user_id	string	Optional	-

Request Example

{
  "header": {
    "anthropic-version": "2023-06-01"
  },
  "body": {
    "model": "claude-3-opus-20240229",
    "messages": [
      {
        "role": "user",
        "content": "string"
      }
    ],
    "max_tokens": 1
  }
}

Response Fields（200）

Field Name	Type	Description
No structured response fields (may be binary or empty response body)