# EMC2 AI – Top Meme/Bonding-Curve Traders on Four.meme (BSC)

> EMC2 AI – Top Meme/Bonding-Curve Traders on Four.meme (BSC) is a paid API for AI agents from emc2ai.io, paid per call via x402, $1/call, status unknown (last checked 2026-09-15).

Returns a leaderboard of top traders on the Four.meme bonding-curve/meme platform on BSC, ranked by trading activity and performance metrics.

## Facts

- Endpoint: POST https://emc2ai.io/x402/bitquery/toptraders
- Price: $1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/emc2-ai-829c0ee4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_WMwzui_QHyJmp6-gzmOT2

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 emc2-ai-829c0ee4 -d '<json body>'
```

Example prompt: Who are the top 10 meme coin traders on Four.meme on BSC over the last 7 days? I want to see which wallets are winning on the bonding curves.

## When to prefer this

Use this endpoint when you specifically need trader performance data from the Four.meme bonding-curve meme platform on BSC. Prefer this over generic DEX trader endpoints when the user is interested in meme coin dynamics, bonding curve mechanics, or copy-trading signals on Four.meme. Choose this over the broader capital-intensive DEX trader endpoint when the focus is on small-cap meme tokens rather than blue-chip DeFi.

## Known failure modes

- Unsupported chain specified (only BSC is supported) — returns error or empty result
- Invalid time period format — returns validation error
- Bitquery upstream timeout or rate limit — returns 502/503
- Insufficient USDC balance for x402 payment — payment rejected before data is returned
- No traders found for the specified filters — returns empty list

## How this service works

Top meme/bonding-curve traders on Four.meme platform (BSC only). Supported chains: bsc. Default chain: bsc. Required params: none (chain/limit/timeperiod are optional and defaulted).

## Output

A ranked list of top trader wallets on the Four.meme platform (BSC), including buy/sell flow data, trading volume, profit metrics, and accumulation patterns across bonding-curve meme tokens — paginated by an optional limit parameter and filtered by time period.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "chain": {
   "enum": [
    "base",
    "ethereum",
    "bsc",
    "arbitrum",
    "polygon",
    "optimism",
    "solana"
   ],
   "type": "string",
   "description": "Blockchain to query (e.g., base, ethereum, bsc, solana)"
  },
  "limit": {
   "type": "string",
   "description": "Maximum number of results to return (default: 10, max: 500)"
  },
  "timeperiod": {
   "enum": [
    "1h",
    "4h",
    "24h",
    "7d",
    "30d"
   ],
   "type": "string",
   "description": "Time period for analysis (e.g., 1h, 24h, 7d, 30d)"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "result": {},
 "status": "completed",
 "analysis": {}
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/emc2-ai-829c0ee4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from emc2ai.io](https://www.zero.xyz/host/emc2ai.io/llms.txt)
