claude-opus-4-7

Save 71%

Get API Key API samples Try online

InputSave 71%

$1.46 / 1M tokensOfficial $5 / 1M tokens

OutputSave 71%

$7.3 / 1M tokensOfficial $25 / 1M tokens

Cache readSave 71%

$0.146 / 1M tokensOfficial $0.5 / 1M tokens

Cache createSave 71%

$1.82 / 1M tokensOfficial $6.25 / 1M tokens

1h cache createSave 71%

$2.92 / 1M tokensOfficial $10 / 1M tokens

Playground

System

User message

Temperature

Max tokens

Stream

The assistant reply will appear after you run.

Examples

Click an example to load Playground presets and jump to the trial area.

How to start

Three steps to integrate. Model ID is claude-opus-4-7.

1

Get an API key

Create a key in the 2KEN console. Text, image, and video share one key.
2

Point to the unified endpoint

Set Base URL to https://api.2ken.com/v1 and model to claude-opus-4-7.
3

Send Messages

Call /v1/messages with anthropic-version and read content blocks.

Developer docs

API

Anthropic-compatible sync API. One request returns content blocks and usage.

Anthropic · Messages API

claude-opus-4-7 Messages

Call claude-opus-4-7 through the Anthropic-compatible Messages API at /v1/messages.

Endpoint

POST

Messages/v1/messages

Try

Flow

1
Bearer auth
Send Authorization and anthropic-version.
2
Submit messages
Read content blocks instead of choices.

Notes

Modelclaude-opus-4-7
ProtocolAnthropic Messages sync API.

curl --request POST \
  --url https://api.2ken.com/v1/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'anthropic-version: 2023-06-01' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "claude-opus-4-7",
    "max_tokens": 1024,
    "messages": [{"role": "user", "content": "Hello"}]
  }'

const res = await fetch("https://api.2ken.com/v1/messages", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.TWO_KEN_API_KEY}`,
    "anthropic-version": "2023-06-01",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    model: "claude-opus-4-7",
    max_tokens: 1024,
    messages: [{ role: "user", content: "Hello" }],
  }),
});
const data = await res.json();
console.log(data.content);

import os
import requests

resp = requests.post(
    "https://api.2ken.com/v1/messages",
    headers={
        "Authorization": f"Bearer {os.environ['TWO_KEN_API_KEY']}",
        "anthropic-version": "2023-06-01",
    },
    json={
        "model": "claude-opus-4-7",
        "max_tokens": 1024,
        "messages": [{"role": "user", "content": "Hello"}],
    },
)
print(resp.json()["content"])

200Message Response

{
  "id": "msg-demo",
  "type": "message",
  "role": "assistant",
  "content": [{"type": "text", "text": "Hello from 2KEN."}],
  "usage": {"input_tokens": 8, "output_tokens": 6}
}