# Optix402 Pricing History API

> Optix402 Pricing History 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).

Retrieves historical pricing data for a given domain's services within the x402 pay-per-call ecosystem

## Facts

- Endpoint: GET https://optinx402.vercel.app/api/service/%7Bdomain%7D/pricing-history
- 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-pricing-history-api-1fb53714
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_4dctI_rSVaFDYpkMTf5SM

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-pricing-history-api-1fb53714
```

Example prompt: Can you pull up the pricing history for openai-proxy.com on the x402 marketplace so I can see how its per-call price has changed over time?

## When to prefer this

Use this endpoint when you need historical pricing trends for a specific domain's API service within the x402 ecosystem, particularly for competitive analysis, cost forecasting, or monitoring price changes over time for pay-per-call services.

## Known failure modes

- Domain not found in x402 ecosystem — returns empty or 404 response
- Invalid or malformed domain input — may return schema validation error
- No pricing history available for newly listed services
- Vercel cold start may add latency on first call
- Payment failure (x402) if USDC balance is insufficient — returns 402 before serving data

## 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 containing the service name, domain, and historical pricing data points for the specified domain within the x402 pay-per-call ecosystem, showing how prices have evolved over time.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "name": "Service",
  "domain": "example.com"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/optix402-pricing-history-api-1fb53714/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)