# Silverback Top DeFi Protocols

> Silverback Top DeFi Protocols is a paid API for AI agents from silverback-x402.onrender.com, paid per call via x402, $0.005/call, status down (last checked 2026-09-15).

Retrieves a ranked list of top DeFi protocols on the Base chain with associated analytics

## Facts

- Endpoint: POST https://silverback-x402.onrender.com/api/v1/top-protocols
- Price: $0.005/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/silverback-x402-onrender-com-32da17c5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_596BcbB7Xswyl9fRSPJ9s

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 silverback-x402-onrender-com-32da17c5 -d '<json body>'
```

Example prompt: What are the top DeFi protocols on Base chain right now — show me the leading ones ranked by activity or TVL?

## When to prefer this

Use this endpoint when you need a current ranked overview of top DeFi protocols on Base chain, especially when building dashboards, doing protocol research, or deciding where to deploy capital. Prefer this over sibling endpoints like liquidity pool analysis or yield opportunities when you want a broad protocol-level view rather than pool-specific or yield-specific data.

## Known failure modes

- Invalid request body returns 400 error
- Payment not included or insufficient USDC returns 402 payment required
- Backend data provider unavailable returns 503
- No protocols match filter criteria returns empty list
- Rate limit exceeded returns 429

## Output

A ranked list of top DeFi protocols on the Base chain, likely including protocol names, TVL, volume, and scoring/health metrics to help identify the most active or valuable protocols.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/silverback-x402-onrender-com-32da17c5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from silverback-x402.onrender.com](https://www.zero.xyz/host/silverback-x402.onrender.com/llms.txt)