AUSTRALIAN AI API PLATFORM

The API that powers
your AI products

Production-ready endpoints for chat, completions, and embeddings. Your key, your quota, your control. Built and operated by Aussi-Nexus Group.

# One line to call the NEXUS AI API

curl https://aunexus.nexus/api/v1/ai/chat \
  -H "x-api-key: nxs_live_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"messages":[{"role":"user","content":"Hello!"}]}'

# Response
{ "id": "nxs-abc123", "choices": [{ "message": { "content": "Hello! How can I help?" }}] }
Platform Features
Everything you need to ship
🔑

Instant API Keys

Subscribe and generate your key immediately from the dashboard. No approval process, no waiting. Ready in under 60 seconds.

⚡

Three Endpoints

AI Chat, AI Complete, and Embeddings. OpenAI-compatible JSON schema so your existing code needs minimal changes.

📊

Live Usage Analytics

Real-time dashboard showing your monthly usage, per-endpoint breakdown, and remaining quota. No surprises.

🔒

Rate Limiting Built-in

Per-minute and monthly quotas enforced server-side on every request. Prevents runaway costs and abuse automatically.

🇦🇺

Australian Business

Operated by Aussi-Nexus Group (ABN 76 947 108 181), Gold Coast QLD. Australian consumer law protections apply.

💳

Stripe Billing

Secure subscription billing via Stripe. AUD pricing. Cancel anytime from your dashboard — no lock-in.

Pricing
Plans from AUD $9/month
Pricing
Simple, transparent plans

All prices in AUD. Billed monthly. Cancel anytime. No setup fees.

Starter
$9/mo
AUD, billed monthly
  • 1,000 API calls/month
  • 10 requests/minute
  • AI Chat endpoint
  • AI Complete endpoint
  • Email support
Developer
$29/mo
AUD, billed monthly
  • 10,000 API calls/month
  • 60 requests/minute
  • All endpoints
  • Embeddings endpoint
  • Priority support
  • Usage analytics
Professional
$79/mo
AUD, billed monthly
  • 100,000 API calls/month
  • 200 requests/minute
  • All endpoints
  • Up to 3 API keys
  • Priority support
  • SLA 99.9% uptime

Need higher limits? Contact us for custom Enterprise plans.

API Reference

NEXUS AI API — Base URL: https://aunexus.nexus/api/v1

Authentication

All API requests require your API key passed in the x-api-key header.

curl https://aunexus.nexus/api/v1/status \
  -H "x-api-key: nxs_live_YOUR_KEY"

Keys begin with nxs_live_ and are generated from your dashboard. Never expose keys in client-side code.

Errors

CodeMeaning
401Missing or invalid API key
429Rate limit exceeded (per-minute or monthly quota)
400Bad request — check required body fields
500Upstream AI error — retry with backoff

Error responses are JSON: {"error":"message"}

Endpoints

POST /ai/chat

Conversational AI. Accepts a messages array (OpenAI-compatible format).

curl -X POST https://aunexus.nexus/api/v1/ai/chat \
-H "x-api-key: nxs_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
  "messages": [
    {"role":"system","content":"You are a helpful assistant."},
    {"role":"user","content":"Explain APIs in one sentence."}
  ],
  "max_tokens": 200
}'
FieldTypeRequiredDescription
messagesarrayYesArray of {role, content} objects
modelstringNoDefault: nexus-1
max_tokensintNoDefault: 1000, max: 4000

POST /ai/complete

Single-turn text completion. Simpler than chat — just pass a prompt string.

curl -X POST https://aunexus.nexus/api/v1/ai/complete \
-H "x-api-key: nxs_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"prompt": "Summarise quantum computing in 50 words", "max_tokens": 100}'

POST /ai/embed

Generate a 1536-dimension vector embedding for semantic search or similarity tasks.

curl -X POST https://aunexus.nexus/api/v1/ai/embed \
-H "x-api-key: nxs_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"input": "Australian AI startup"}'

GET /status

Check your key status, plan, and remaining monthly quota.

curl https://aunexus.nexus/api/v1/status \
-H "x-api-key: nxs_live_YOUR_KEY"

# Response
{
"status": "active",
"plan": "Developer",
"usage_this_month": 142,
"monthly_limit": 10000,
"remaining": 9858
}

Node.js SDK Example

const BASE = 'https://aunexus.nexus/api/v1';
const KEY = process.env.NEXUS_API_KEY;

async function chat(messages) {
const res = await fetch(`${BASE}/ai/chat`, {
method: 'POST',
headers: { 'x-api-key': KEY, 'Content-Type': 'application/json' },
body: JSON.stringify({ messages })
});
return res.json();
}

const result = await chat([{ role: 'user', content: 'Hello!' }]);
console.log(result.choices[0].message.content);

Python Example

import requests, os

BASE = "https://aunexus.nexus/api/v1"
KEY = os.environ["NEXUS_API_KEY"]

def chat(messages):
res = requests.post(f"{BASE}/ai/chat",
headers={"x-api-key": KEY},
json={"messages": messages})
return res.json()

result = chat([{"role":"user","content":"Hello!"}])
print(result["choices"][0]["message"]["content"])

Legal Documents

All legal agreements governing use of the NEXUS AI API platform.

📋

Terms of Service

Rules governing use of the API platform and all NEXUS services.

🔒

Privacy Policy

How we collect, use, and protect your personal and usage data.

⚖️

Acceptable Use Policy

What you may and may not use the NEXUS API to do.

💰

Refund Policy

Our subscription refund and cancellation terms.

📈

SLA

Service Level Agreement — uptime commitments by plan.

Sign In

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Developer Dashboard

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Quick Start

Replace YOUR_KEY with one of your active keys above.

curl -X POST https://aunexus.nexus/api/v1/ai/chat \
  -H "x-api-key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"messages":[{"role":"user","content":"Hello NEXUS!"}]}'