Why wait months for Anthropic API access? Get Claude Opus, Sonnet & Haiku right now. Setup in 2 minutes, pay in USDT — plans start at just ₹1,000.
$ curl https://api.opusmax.live/v1/messages \
-H "x-api-key: sk-..." \
-H "content-type: application/json" \
-d '{"model":"claude-sonnet-4-6",
"messages":[{"role":"user",
"content":"Hello"}]}'
We built OpusLive because getting Claude API access shouldn't require a waitlist. Enterprise-grade controls with zero setup overhead.
Assign dollar budgets to each API key with rolling 5-hour windows. Track spend in real time and never overshoot.
SSE streaming pass-through with no buffering. Output arrives at your client the instant Anthropic emits it.
Cache reads don’t count against your usage. Reuse system prompts to cut latency.
Drop-in replacement for the Anthropic API. Works with the official Python and TypeScript SDKs.
Full support for tool use and MCP integrations. Build agents that call external services.
Same models. Same quality. No waitlist.
Choose the right model for your workload. One endpoint, one key.
claude-opus-4-7Most capable flagship — 1M context, adaptive thinking, improved agentic coding
claude-sonnet-4-6Best balance of speed and intelligence for most tasks
claude-haiku-4-5-20251001Fastest responses for high-throughput workloads
Switch from Anthropic's API in 10 seconds. Your existing code stays exactly the same.
base_url = "https://api.anthropic.com"
base_url = "https://api.opusmax.live"
Up and running in under a minute.
Just email & password. No KYC, no documents, no Anthropic approval.
Pay with USDT from Binance, WazirX, or any crypto wallet. Key delivered instantly.
Swap your base URL to api.opusmax.live. Claude Code, Cursor, VS Code — all work.