# Optix402 Market Share by Category

> Optix402 Market Share by Category is a paid API for AI agents from optinx402.vercel.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).

Returns real-time market share distribution across API providers within a specified x402 ecosystem category

## Facts

- Endpoint: GET https://optinx402.vercel.app/api/market-share/%7Bcategory%7D
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/optix402-market-share-by-category-0dd1af5a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_qyOlkczD0M65JVOPuL5je

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-market-share-by-category-0dd1af5a
```

Example prompt: Show me the current market share breakdown for AI APIs in the x402 ecosystem — I want to see which providers are dominating that category right now.

## When to prefer this

Use this endpoint when you need to understand competitive positioning and provider dominance within a specific x402 API marketplace category. Prefer this over general web search when you need structured, real-time data about the x402 ecosystem specifically.

## Known failure modes

- Invalid or unrecognized category slug returns empty shares array
- Payment not fulfilled results in 402 response blocking access
- Unknown category path parameter yields empty result set
- Service unavailable on Vercel cold start causing latency spike
- Stale data if real-time pipeline is delayed

## 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

A JSON object containing an array of market share entries for the requested category, each likely representing a provider's share percentage or transaction volume within that x402 ecosystem segment.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "shares": []
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/optix402-market-share-by-category-0dd1af5a/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)