# ScriptMasterLabs Trending Altcoins API

> ScriptMasterLabs Trending Altcoins API is a paid API for AI agents from acp-x402-scriptmasterlabs.onrender.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-12).

Returns a list of currently trending altcoins with crypto market data, settled via x402 micropayment in USDC on Base.

## Facts

- Endpoint: GET https://acp-x402-scriptmasterlabs.onrender.com/x402/trending-altcoins?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/scriptmasterlabs-trending-altcoins-api-bcb6fe19
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_CJnE5DPwTUkrft7BmeN57

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 scriptmasterlabs-trending-altcoins-api-bcb6fe19
```

Example prompt: What altcoins are trending right now? Pull the latest trending altcoin list from ScriptMasterLabs.

## When to prefer this

Choose this endpoint when you need a quick, cheap ($0.001 USDC) pay-per-call lookup of trending altcoins without a subscription, and your agent supports x402 micropayment settlement on Base. Best for lightweight crypto research or content pipelines that don't require deep historical data.

## Known failure modes

- 402 Payment Required if x402 USDC payment on Base is not attached
- Empty or malformed response if upstream data source is unavailable
- Service may be slow or unavailable on free Render.com hosting tier
- Undocumented schema means response structure may change without notice
- Rate limiting or downtime due to low-cost infrastructure hosting

## How this service works

Pay-per-call crypto, RWA, federal, SEC, and compliance APIs. Settled in USDC on Base via x402. Hyphen routes only (e.g. /x402/rwa-aggregates, /x402/gas-tracker).

## Output

A list of currently trending altcoins, likely including coin names, tickers, and associated market momentum or ranking signals. Response schema is minimal/undocumented so exact fields may vary.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "example": {}
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/scriptmasterlabs-trending-altcoins-api-bcb6fe19/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from acp-x402-scriptmasterlabs.onrender.com](https://www.zero.xyz/host/acp-x402-scriptmasterlabs.onrender.com/llms.txt)