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Anthropic API Proxy

Forward Claude requests through your own URL using Replit AI credits.

Your API Key
Used locally for ping and test requests only.
Test API
Model Health & Pricing
claude-opus-4-6 opus $5 / $25/MTok
claude-opus-4-5 opus $5 / $25/MTok
claude-sonnet-4-6 sonnet $3 / $15/MTok
claude-sonnet-4-5 sonnet $3 / $15/MTok
claude-haiku-4-5 haiku $1 / $5/MTok
Base URL

https://claudeaiapi.com

Claude Code
# Set these in your shell or .env:
ANTHROPIC_BASE_URL=https://claudeaiapi.com
ANTHROPIC_API_KEY=<your API key>
Python SDK
# pip install anthropic
import anthropic

client = anthropic.Anthropic(
    base_url="https://claudeaiapi.com",
    api_key="<your API key>",
)

msg = client.messages.create(
    model="claude-sonnet-4-5",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello!"}],
)
JavaScript / TypeScript SDK
// npm install @anthropic-ai/sdk
import Anthropic from "@anthropic-ai/sdk";

const client = new Anthropic({
  baseURL: "https://claudeaiapi.com",
  apiKey: "<your API key>",
});

const msg = await client.messages.create({
  model: "claude-sonnet-4-5",
  max_tokens: 1024,
  messages: [{ role: "user", content: "Hello!" }],
});
cURL
curl https://claudeaiapi.com/v1/messages \
  -H "x-api-key: <your API key>" \
  -H "anthropic-version: 2023-06-01" \
  -H "content-type: application/json" \
  -d '{"model":"claude-haiku-4-5","max_tokens":256,"messages":[{"role":"user","content":"Hi"}]}'