# x402 Bazaar Rank – Deep Gateway Discovery

> x402 Bazaar Rank – Deep Gateway Discovery is a paid API for AI agents from x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev, paid per call via x402, $0.04/call, status unknown (last checked 2026-10-18).

Returns a ranked list of live x402 gateway services scored by real 30-day call volume and paying-wallet counts, filtered to the 'gateway' tag, with a verifiable snapshot receipt.

## Facts

- Endpoint: GET https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-gateway-deep?utm_source=zero.xyz
- Price: $0.04/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-bazaar-rank-deep-gateway-discovery-d6cdb9ab
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_O8kK8Hg9H2R892PSrBs2n

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-deep-gateway-discovery-d6cdb9ab
```

Example prompt: Show me the top x402 gateway services ranked by number of paying wallets over the last 30 days, up to 100 results, and include the snapshot hash so I can verify the data.

## When to prefer this

Choose this endpoint when you need ranked, usage-verified discovery of x402 gateway services specifically — it provides real 30-day call and payer metrics rather than self-reported metadata, and includes a verifiable snapshot receipt. Prefer it over generic API directories when you need to identify which gateway APIs are genuinely active and have paying users on the x402 micropayment network.

## Known failure modes

- No services indexed for 'gateway' tag — returns empty services array with count 0
- Snapshot unavailable — service may return 503 if the index is being rebuilt
- Invalid query parameters — malformed limit or operator may return 400
- Payment not completed — returns 402 if USDC payment of $0.04 is not settled
- Stale data — snapshot hash may reflect data up to several hours old

## How this service works

An open index of the machine-to-machine (agent) economy. x402 routes: ranked discovery over the live x402 service market, every indexed service scored by real 30-day calls and paying-wallet bounds, with a receipt naming the snapshot hash and scoring revision. /economy routes, for Tempo MPP, Virtuals ACP, Olas, Masumi, ERC-8004 agent registries, Solana agent registries, Base agent contracts and MCP servers (Official MCP Registry): each protocol's published figures (agent or server counts, transactions or payment events; payers and USD volume only where the source publishes them: payers for x402 and Tempo MPP, USD volume for x402 and Virtuals ACP), each with its unit, window and source; units differ, so totals are not summed. L402 and per-service MPP listings are not covered.

## Output

A JSON object containing the total matched count, the query parameters used (ranking operator, limit, tag filter), a list of ranked services each with name, network chain, 30-day call count, price in USD, resource URL, and 30-day payer wallet count, plus metadata including the snapshot hash, scoring revision, declaration source, and generation 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": "gateway"
   }
  },
  "route": "/in-gateway-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-deep-gateway-discovery-d6cdb9ab/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)