> For the complete documentation index, see [llms.txt](https://docs.atlas-ai.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.atlas-ai.org/api-marketplace/api-reselling.md).

# Sell Unused API Capacity

## The API Waste Problem

Premium data APIs are expensive:

* **Nansen** — $500+/month for blockchain analytics
* **Kaito** — $200+/month for crypto intelligence
* **Arkham** — $150+/month for on-chain tracking

Most subscribers use only 10-30% of their quota. The rest goes to waste.

***

## The ATLAS Solution

ATLAS lets you **resell unused API capacity** to other users:

```
Your API Subscription → ATLAS Proxy → Other Users
         ↓                              ↓
    $500/month                    $600-700 revenue
    (30% used)                    (70% resold)
```

**Turn a cost center into a profit center.**

***

## How It Works

### Step 1: Connect Your APIs

Register your API credentials with ATLAS:

```yaml
api_connections:
  - name: nansen
    api_key: "your-nansen-key"
    monthly_quota: 10000
    reserved: 3000  # Keep for yourself
    
  - name: kaito
    api_key: "your-kaito-key"
    monthly_quota: 5000
    reserved: 1500
```

### Step 2: Set Your Markup

Price your capacity:

| Base Cost  | Your Markup | Consumer Pays |
| ---------- | ----------- | ------------- |
| $0.05/call | 2x          | $0.10/call    |
| $0.05/call | 3x          | $0.15/call    |
| $0.05/call | 4x          | $0.20/call    |

Typical markups: **2-4x** the base cost

### Step 3: Go Live

Enable the marketplace proxy:

```bash
atlas marketplace api enable
atlas marketplace api status
```

### Step 4: Earn

Revenue flows automatically:

* Consumer makes API call through ATLAS
* Payment processed via x402
* You receive 90% of markup
* ATLAS takes 10% for infrastructure

***

## Supported APIs

### Currently Available

| API        | Category             | Typical Quota       |
| ---------- | -------------------- | ------------------- |
| **Nansen** | Blockchain Analytics | 10K-50K calls/month |
| **Kaito**  | Crypto Intelligence  | 5K-20K calls/month  |
| **Arkham** | On-Chain Tracking    | 5K-15K calls/month  |

### Coming Soon

* Messari
* Glassnode
* DeFi Llama Pro
* Custom API connections

***

## Economics

### Example: Nansen Reselling

**Your situation:**

* Nansen Pro: $500/month
* Monthly quota: 10,000 calls
* Your usage: 3,000 calls (30%)
* Unused: 7,000 calls (70%)

**Reselling configuration:**

* Reserved: 3,000 calls (for you)
* Available: 7,000 calls (for marketplace)
* Markup: 3x ($0.15/call vs $0.05 base)

**Monthly outcome:**

| Metric            | Value                      |
| ----------------- | -------------------------- |
| Calls sold        | 5,000 (of 7,000 available) |
| Revenue @ $0.15   | $750                       |
| Your share (90%)  | $675                       |
| Subscription cost | -$500                      |
| **Net profit**    | **+$175**                  |

**Your Nansen subscription now makes you money.**

***

## Consumer Benefits

Why buy through ATLAS marketplace?

### No Subscription Required

Access premium APIs without monthly commitments. Pay per call.

### Lower Barrier

Can't justify $500/month? Buy 100 calls for $15.

### Aggregated Access

One interface to multiple providers. No juggling subscriptions.

### Quality Assurance

Providers are vetted. Calls are monitored for reliability.

***

## Provider Guidelines

### Do:

* ✅ Reserve enough capacity for your own needs
* ✅ Set fair markup prices
* ✅ Monitor quota usage
* ✅ Keep API credentials current
* ✅ Respond to service issues

### Don't:

* ❌ Resell 100% of quota (keep buffer)
* ❌ Share credentials directly (use ATLAS proxy)
* ❌ Violate API terms of service
* ❌ Set predatory pricing
* ❌ Ignore service quality

***

## Security

### Credential Protection

Your API keys are:

* Encrypted at rest
* Never exposed to consumers
* Used only through ATLAS proxy
* Auditable via logs

### Rate Limiting

ATLAS enforces:

* Per-consumer limits
* Fair usage policies
* Abuse detection
* Automatic throttling

### Compliance

Ensure your API terms allow reselling. Most enterprise tiers permit this with proper attribution.

***

## Getting Started

1. **Identify APIs** with unused capacity
2. **Check terms** for reselling permissions
3. **Configure** in ATLAS
4. **Set pricing** based on market rates
5. **Launch** and monitor

Turn your sunk costs into revenue streams.


---

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