# Optix402 x402 Marketplace Intelligence Search API

> Optix402 x402 Marketplace Intelligence Search API is a paid API for AI agents from optinx402.vercel.app, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Searches and retrieves real-time analytics and market intelligence data across the x402 ecosystem

## Facts

- Endpoint: GET https://optinx402.vercel.app/api/search
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/optix402-x402-marketplace-intelligence-search-api-f9e1ea92
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_1keNBPiBPgF2P3tezQkI9

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 optix402-x402-marketplace-intelligence-search-api-f9e1ea92
```

Example prompt: Search the Optix402 marketplace intelligence API to find the latest x402 ecosystem analytics — I want to see what's trending in buyer activity and market health right now.

## When to prefer this

Use this endpoint when you need to search and discover market intelligence, buyer behavior, or ecosystem health data specifically within the x402 micropayment protocol ecosystem. Prefer this over general web search when you want structured analytics about x402 API marketplace activity, revenue trends, or competitive landscape among x402-enabled services.

## Known failure modes

- Missing required 'input' field returns 400 bad request
- Invalid HTTP method (non-GET) returns validation error
- Payment not provided or insufficient USDC (less than $0.02) results in 402 Payment Required
- Empty result set returns count:0 with empty items array
- Service downtime on Vercel returns 503 or timeout

## How this service works

Real-time analytics for the x402 ecosystem. 30 endpoints covering market intelligence, buyer analytics, competitive analysis, revenue tracking, and ecosystem health.

## Output

Returns a JSON object with a count of matching items and an array of marketplace intelligence records covering market data, buyer analytics, competitive analysis, revenue metrics, and ecosystem health indicators for the x402 payment ecosystem.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "count": 5,
  "items": []
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/optix402-x402-marketplace-intelligence-search-api-f9e1ea92/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from optinx402.vercel.app](https://www.zero.xyz/host/optinx402.vercel.app/llms.txt)