OpenAdapter Docs

OpenAdapter also supports the native Anthropic Messages format on `/v1/messages`. This is what Claude Code, Claude Desktop, and the Anthropic SDK use. Your same

Base URL & authentication

Base URL: https://api.openadapter.in

All requests need an Authorization: Bearer sk-cv-... header. Generate or copy your API key from the Dashboard → API Keys page.

OpenAdapter also supports the native Anthropic Messages format on /v1/messages. This is what Claude Code, Claude Desktop, and the Anthropic SDK use. Your same API key works for both endpoints.

curl https://api.openadapter.in/v1/messages \
  -H "x-api-key: $API_KEY" \
  -H "Content-Type: application/json" \
  -H "anthropic-version: 2023-06-01" \
  -d '{
    "model": "GLM-4.7",
    "max_tokens": 1024,
    "messages": [
      {"role": "user", "content": "What is the capital of France?"}
    ]
  }'

Claude Code / Claude Desktop: Set ANTHROPIC_BASE_URL=https://api.openadapter.in and ANTHROPIC_AUTH_TOKEN=$API_KEY — the Messages API handles the rest. See the Integration page for auto-setup scripts.

import anthropic

client = anthropic.Anthropic(
    api_key="$API_KEY",
    base_url="https://api.openadapter.in"
)

message = client.messages.create(
    model="GLM-4.7",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "What is the capital of France?"}
    ]
)
print(message.content[0].text)

import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: '$API_KEY',
  baseURL: 'https://api.openadapter.in',
});

const message = await client.messages.create({
  model: 'GLM-4.7',
  max_tokens: 1024,
  messages: [
    { role: 'user', content: 'What is the capital of France?' }
  ],
});
console.log(message.content[0].text);

Messages API (Anthropic)