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AI & MLAPI Key
Anthropic Claude
Claude is Anthropic's AI assistant — capable of analysis, writing, coding, and nuanced conversation with a strong focus on safety.
Base URL
https://api.anthropic.com/v1Claudereasoningcodinganalysisvision
Endpoints
POST
/messagesSend a message and receive a response from Claude.
const response = await fetch("https://api.anthropic.com/v1/messages", {
method: "POST",
headers: {
"Content-Type": "application/json",
"anthropic-version": "2023-06-01",
"x-api-key": "YOUR_API_KEY"
},
body: JSON.stringify({
"model": "claude-sonnet-4-6",
"max_tokens": 1024,
"messages": [
{
"role": "user",
"content": "Hello!"
}
]
})
});
const data = await response.json();
console.log(data);Response Preview
{
"id": "msg_01XFDUDYJgAACzvnptvVoYEL",
"type": "message",
"role": "assistant",
"content": [{ "type": "text", "text": "Hello! How can I help?" }],
"model": "claude-sonnet-4-6",
"stop_reason": "end_turn",
"usage": { "input_tokens": 10, "output_tokens": 6 }
}