# X402 Hub Dev Intelligence

> X402 Hub Dev Intelligence is a paid API for AI agents from x402-hub.vercel.app, paid per call via x402, $0.15/call, status unknown (last checked 2026-10-10).

Answers developer intelligence queries via a paid micropayment-gated API endpoint on Base

## Facts

- Endpoint: POST https://x402-hub.vercel.app/api/dev-intelligence?utm_source=zero.xyz
- Price: $0.15/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-hub-dev-intelligence-5635afe2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_AkbBunfcKuWCo6cyBv2mV

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402-hub-dev-intelligence-5635afe2 -d '<json body>'
```

Example prompt: Can you query the dev intelligence endpoint on X402 Hub with the question 'What are the best practices for building REST APIs in 2024?' and get me back the results?

## When to prefer this

Choose this endpoint when you need developer-focused intelligence or programming insights and are willing to pay a small per-call micropayment via x402 on Base. Prefer it over free alternatives when access to a curated, paid-tier intelligence source is required or when integrating into an x402-compatible payment workflow.

## Known failure modes

- Missing 'query' field in request body returns validation error
- Insufficient USDC balance or payment failure returns 402 Payment Required
- Upstream API unavailability returns 5xx error
- Empty or ambiguous query may return low-quality or empty data response
- Rate limiting may occur under high request volume

## How this service works

63 paid API endpoints protected by x402 micropayments on Base

## Output

Returns a JSON object with a 'data' field containing the upstream API's response to the developer intelligence query — typically structured information, recommendations, or analysis relevant to the submitted query string.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "query"
 ],
 "properties": {
  "query": {
   "type": "string",
   "description": "Query parameter for the API"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "data": {
   "type": "object",
   "description": "Response data from upstream API"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-hub-dev-intelligence-5635afe2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-hub.vercel.app](https://www.zero.xyz/host/x402-hub.vercel.app/llms.txt)