# x402 Bazaar Rank – On-Chain Deep

> x402 Bazaar Rank – On-Chain Deep is a paid API for AI agents from x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev, paid per call via x402, $0.016/call, status unknown (last checked 2026-10-23).

Returns ranked x402 service listings filtered by the 'on-chain' tag, scored by real 30-day call volume and paying-wallet counts, with a signed snapshot receipt.

## Facts

- Endpoint: GET https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-on-chain-deep?utm_source=zero.xyz
- Price: $0.016/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-bazaar-rank-on-chain-deep-ad20dd89
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap__kjnvmFVF3AZvNQSsdd2J

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-bazaar-rank-on-chain-deep-ad20dd89
```

Example prompt: Show me the top on-chain x402 services ranked by paying wallets and 30-day call volume — I want to see which ones are actually being used.

## When to prefer this

Choose this endpoint when you specifically need ranked discovery of x402 services tagged 'on-chain', with real usage metrics (calls and payers over 30 days) and a verifiable snapshot receipt. It is the right choice over generic x402 directory lookups when you want activity-based ranking rather than a flat list, and when on-chain tag filtering is required.

## Known failure modes

- Service unavailable if the Cloudflare Worker is down — returns 5xx
- Payment not processed correctly — 402 response if USDC payment header is missing or invalid
- Empty results if no on-chain services are currently indexed
- Stale snapshot if the index has not been refreshed recently
- Malformed query parameters may return an error or unexpected results

## How this service works

Deep view: top 100 x402 services tagged 'on-chain': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 85 providers and 315 paying wallets measured in this tag.

## Output

A JSON object containing a ranked array of x402 services tagged 'on-chain', each with name, network, 30-day call count, 30-day payer count, price in USD, and resource URL. Also includes total matched count, query metadata, snapshot hash, scoring revision declared-by field, and a generatedAt timestamp.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "count": 25,
  "query": {
   "by": "payers",
   "op": "top",
   "limit": 100,
   "where": {
    "tag": "on-chain"
   }
  },
  "route": "/in-on-chain-deep",
  "matched": 359,
  "services": [
   {
    "name": "forecast api",
    "network": "eip155:8453",
    "calls30d": 310,
    "priceUsd": 0.01,
    "resource": "https://api.example.com/forecast",
    "payers30d": 42
   }
  ],
  "declaredBy": "agent",
  "generatedAt": "2026-09-17T12:00:00.000Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-bazaar-rank-on-chain-deep-ad20dd89/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev](https://www.zero.xyz/host/x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/llms.txt)