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No credit card. No billing setup. No complexity.

Plug In. It's Claude Compatible.

Drop in your Opulon key, point to our endpoint, your existing Claude integration works instantly. No rewrites, no new SDKs.

Get Your API Key →Explore Features

Start in 3 steps

Already using Claude? You're 30 seconds away.

1

Get Your Key

Message us on WhatsApp and pick your plan your API key arrives in your inbox within minutes.

2

Set Base URL

Set claude.opulonapi.com as your base URL and drop in your Opulon key. One line change.

3

Start Building

Works instantly with Claude Code, Python SDK, TypeScript SDK, LangChain, n8n and more.

One Endpoint. Plug In. Ship It.

A single endpoint that fits into your existing code. Switch in minutes, stay compatible with every SDK you already rely on.

Integration Example
1import OpenAI from "openai";
2
3// Drop-in Opulon API gateway replacement
4const client = new OpenAI({
5  baseURL: "https://claude.opulonapi.com/v1",
6  apiKey: "op-ul-e4st85dasf"
7});
8
9const response = await client.chat.completions.create({
10  model: "claude-sonnet-4-6",
11  messages: [{ role: "user", content: "Hello, Opulon API!" }]
12});

Why Teams Choose Opulon API

Full visibility into every request, all your keys in one place and instant recovery when things go wrong.

Full Request Logs

Every call logged. Model, tokens, latency, status all visible in real time.

All Keys, One Place

Every plan under one login. Track usage and expiry at a glance.

Leaked? Rotate.

One click from the dashboard. Same plan, new key, back online in sec.

Every Model. One Endpoint.

Switch models with a single parameter change , no new keys, no new setup.

Premium

Opus 4.6

claude-opus-4-6

Most capable , complex reasoning, analysis and creative tasks.

Popular

Sonnet 4.6

claude-sonnet-4-6

Best balance of speed and intelligence for everyday tasks.

Fast

Haiku 4.5

claude-haiku-4-5

Fastest responses for simple queries and high-throughput use cases.

Built for Control.

Everything to monitor, manage and recover your API access , built into every plan.

Token Budgets

5-hour rolling window per key. Resets automatically , no manual intervention needed.

Usage Tracking

Every request logged with model, tokens, latency and status. Visible in your dashboard instantly.

Key Isolation

Each key has independent rate limits, budgets and expiry. One key's behaviour never affects another.

Streaming Support

Full SSE streaming pass-through. First tokens arrive instantly , zero buffering.

Drop-in Compatible

Works with Claude Code, Python SDK, TypeScript SDK and any tool that supports a custom base URL.

Zero-Downtime Routing

Automatic failover and retry logic handles errors transparently. Your requests get through.

Simple, Transparent Pricing

Choose the token window that perfectly fits your usage volume. Start free with Opulon API and upgrade as your team's usage grows.

Trial

Evaluation and testing entry point.

₹599/7 days
  • 5 Million tokens / 5hr
  • 7 day plan duration
  • 60 RPM rate limit
  • Analytics view
  • Docs support
Try for ₹599

Max 5x

The value anchor for solo developers.

₹2,999/30 days
  • 5 Million tokens / 5hr
  • 30 day plan duration
  • 60 RPM rate limit
  • Analytics view
  • Priority support
Get Max 5x

Max 20x

The primary upsell for production scale.

₹5,999/30 days
  • 20 Million tokens / 5hr
  • 30 day plan duration
  • 60 RPM rate limit
  • Analytics view
  • Priority support
Get Max 20x

Everything You Need to Know

Quick answers about plans, keys, usage and setup.

Opulon is an AI API provider that gives you a ready to use API key with simple billing, a real-time usage dashboard and instant setup no complex account setup required. You get the same Claude models, just through a cleaner, more accessible gateway with better visibility into your usage.

Once you choose a plan and complete payment via WhatsApp, your Opulon API key is automatically emailed to you within minutes. The email includes your key, plan details, expiry date and a quickstart code snippet to plug into your project immediately.

Yes. Opulon is fully Anthropic-compatible. Just replace your baseURL with https://api.opulonapi.com and your apiKey with your Opulon key no other code changes needed. Works with the official Anthropic SDK, LangChain and any tool that supports a custom base URL.

Your token limit (5M or 20M tokens) resets automatically every 5 hours. You can monitor your current window usage, reset time and last 24h stats in real time at /usage by entering your API key.

You'll receive an email reminder 2 days before expiry. Once expired, your API key stops working. Simply message us on WhatsApp to renew your existing API key will be reactivated on the new plan. No code changes, no key swap needed.