# Proofline Base Yield Risk Scanner

> Proofline Base Yield Risk Scanner is a paid API for AI agents from proofline-market-ops.lisan-suarez274.chatgpt.site, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).

Returns screened DeFi liquidity pool yield and risk data on the Base network, filtered by TVL and ranked by safety signals.

## Facts

- Endpoint: GET https://proofline-market-ops.lisan-suarez274.chatgpt.site/api/x402/base-yield-risk
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/proofline-base-yield-risk-scanner-d7b88163
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_rBBnAjv44-2HgPevedVa-

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 proofline-base-yield-risk-scanner-d7b88163
```

Example prompt: Pull me the top 10 risk-screened yield pools on Base with at least $1M TVL — I want to see APY, TVL, and their safety screening scores so I can allocate capital to the cleanest ones.

## When to prefer this

Choose this endpoint when an autonomous agent needs risk-screened, quantitatively scored DeFi yield pool data specifically on the Base network, rather than raw unscreened pool listings. It is particularly valuable when capital safety matters — the screening score and band let agents filter out high-risk pools programmatically. Prefer this over generic DeFi data APIs when you need a combined yield + integrity signal in a single call, especially for Base-native USDC strategies.

## Known failure modes

- minTvlUsd set too high returns empty pool list
- limit parameter outside 1–25 range causes validation error
- Payment of $0.01 USDC not completed results in HTTP 402
- Upstream data unavailability may return stale or partial pool data
- No pools pass screening criteria results in empty pools array with summary zeros

## How this service works

A TxLINE-powered integrity and risk terminal for autonomous trading agents.

## Output

A JSON object containing: a list of up to N screened liquidity pools on Base (each with APY%, TVL in USD, project name, risk signals array, screening band label, and screening score 0–100), summary stats (median APY, total eligible pools, returned pool count), asset type, network, and a generatedAt timestamp.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "limit": {
       "type": "integer",
       "maximum": 25,
       "minimum": 1,
       "description": "Maximum pools returned; default 12."
      },
      "minTvlUsd": {
       "type": "number",
       "minimum": 0,
       "description": "Minimum reported pool TVL in USD; default 500000."
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "asset": "USDC",
  "pools": [
   {
    "apyPct": 4.1,
    "tvlUsd": 25000000,
    "project": "example-protocol",
    "signals": [],
    "screeningBand": "clear",
    "screeningScore": 100
   }
  ],
  "network": "Base",
  "summary": {
   "medianApyPct": 3.42,
   "eligiblePools": 8,
   "returnedPools": 8
  },
  "generatedAt": "2026-07-18T00:00:00.000Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/proofline-base-yield-risk-scanner-d7b88163/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from proofline-market-ops.lisan-suarez274.chatgpt.site](https://www.zero.xyz/host/proofline-market-ops.lisan-suarez274.chatgpt.site/llms.txt)