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API · x402

Watchdog scores, verdicts and a ranking for 2-10 tokens on any chains (address or chain…

Watchdog scores, verdicts and a ranking for 2-10 tokens on any chains (address or chain:address) side by side in one request

by Saylor Innovations Knowledge Base · verified provider · updated 2026-10-26

30d calls—
30d payers—
MethodGET
Outputjson

What it does

Watchdog scores, verdicts and a ranking for 2-10 tokens on any chains (address or chain:address) side by side in one request

Tags: solana · onchain · token-data · compare

Call contract

Method
GET
Input
query parameters
Output
json
Input example from Bazaar metadata
{
  "mints": "So11111111111111111111111111111111111111112,DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263"
}
Output example
{
  "count": 2,
  "results": [
    {
      "mint": "DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263",
      "symbol": "Bonk",
      "name": "Bonk",
      "price_usd": 0.000002936,
      "liquidity_usd": 710135.2,
      "volume_24h_usd": 245815.8,
      "price_change_24h": -7.71,
      "holder_count": 2047126,
      "token_age_days": 149.28,
      "mint_authority_revoked": true,
      "freeze_authority_revoked": true,
      "lp_locked_pct": 100,
      "security_score": 88,
      "liquidity_score": 100,
      "momentum_score": 60,
      "watchdog_score": 87,
      "narratives": [
        "dog"
      ]
    }
  ]
}

Use with an agent

  1. Discover. Agents find this listing with GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP tool search_resources, or /discovery/resources.
  2. Inspect. Fetch /resources/saylorinnovations-api-compare-523122ee.json for the price and payment options.
  3. Pay. Call GET https://saylorinnovations.com/api/compare?mints={mint1,mint2,...}. The provider answers 402 with its payment requirements. An x402 client signs one of the options below and retries with PAYMENT-SIGNATURE.
  4. Execute. The provider returns 200 with the data. Agent Bazaar is not in the request path and never sees your payment.

For humans

You don't need an account or an API key; you need a wallet holding a small amount of USDC or USDT or SOL on Base, Polygon, Arbitrum One, Solana, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.

Pricing & payment

Price
$0.01 / request
Protocol
x402 v2
Auth
No account or API key. Pay per request.
Networks
Base, Polygon, Arbitrum One, Solana

x402 payment requirements

SchemeNetworkAssetAmountPay toTimeout
exactBase
eip155:8453		USDC$0.010xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa120s
exactPolygon
eip155:137		USDC$0.010xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa120s
exactArbitrum One
eip155:42161		USDC$0.010xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa120s
exactSolana
solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp		USDC$0.017LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7120s
exactSolana
solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp		USDT$0.017LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7120s
exactSolana
solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp		SOL$0.017LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7120s
accepts[] (raw JSON)
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
    "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
    "asset": "So11111111111111111111111111111111111111112",
    "amount": "95830",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 120
  }
]

Schemas

Output schema (JSON Schema)
{
  "type": "object",
  "properties": {
    "summary": {
      "type": [
        "object",
        "null"
      ],
      "description": "Best and worst scorer and any tokens with an avoid verdict (any-chain comparisons)."
    },
    "note": {
      "type": [
        "string",
        "null"
      ],
      "description": "Caveat or context for reading the result"
    },
    "count": {
      "type": [
        "number",
        "null"
      ],
      "description": "Number of items returned"
    },
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "mint": {
            "type": [
              "string",
              "null"
            ],
            "description": "Solana token mint address"
          },
          "symbol": {
            "type": [
              "string",
              "null"
            ],
            "description": "Ticker or asset symbol"
          },
          "name": {
            "type": [
              "string",
              "null"
            ],
            "description": "Name"
          },
          "price_usd": {
            "type": [
              "number",
              "null"
            ],
            "description": "Price in US dollars"
          },
          "liquidity_usd": {
            "type": [
              "number",
              "null"
            ],
            "description": "Liquidity in US dollars"
          },
          "volume_24h_usd": {
            "type": [
              "number",
              "null"
            ],
            "description": "Trading volume over the last 24 hours in US dollars"
          },
          "price_change_24h": {
            "type": [
              "number",
              "null"
            ],
            "description": "Price change over 24 hours, percent"
          },
          "holder_count": {
            "type": [
              "number",
              "null"
            ],
            "description": "Number of holder"
          },
          "token_age_days": {
            "type": [
              "number",
              "null"
            ],
            "description": "Token age in days"
          },
          "mint_authority_revoked": {
            "type": [
              "boolean",
              "null"
            ],
            "description": "Mint authority revoked"
          },
          "freeze_authority_revoked": {
            "type": [
              "boolean",
              "null"
            ],
            "description": "Freeze authority revoked"
          },
          "lp_locked_pct": {
            "type": [
              "number",
              "null"
            ],
            "description": "Lp locked, as a percentage"
          },
          "security_score": {
            "type": [
              "number",
              "null"
            ],
            "description": "Security score from 0 to 100"
          },
          "liquidity_score": {
            "type": [
              "number",
              "null"
            ],
            "description": "Liquidity score"
          },
          "momentum_score": {
            "type": [
              "number",
              "null"
            ],
            "description": "Momentum score"
          },
          "watchdog_score": {
            "type": [
              "number",
              "null"
            ],
            "description": "Overall score from 0 to 100"
          },
          "narratives": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "Narratives the token is associated with"
          }
        }
      },
      "description": "List of matching results"
    }
  }
}
Example shape — generated from the schema, not a captured live response
{
  "summary": {},
  "note": "string",
  "count": 0,
  "results": [
    {
      "mint": "string",
      "symbol": "string",
      "name": "string",
      "price_usd": 0,
      "liquidity_usd": 0,
      "volume_24h_usd": 0,
      "price_change_24h": 0,
      "holder_count": 0,
      "token_age_days": 0,
      "mint_authority_revoked": true,
      "freeze_authority_revoked": true,
      "lp_locked_pct": 0,
      "security_score": 0,
      "liquidity_score": 0,
      "momentum_score": 0,
      "watchdog_score": 0,
      "narratives": [
        "string"
      ]
    }
  ]
}

Examples

curl
curl -X GET 'https://saylorinnovations.com/api/compare?mints={mint1,mint2,...}'
# -> 402 Payment Required; read PAYMENT-REQUIRED
# retry the identical request with PAYMENT-SIGNATURE
JavaScript
const res = await fetch("https://saylorinnovations.com/api/compare?mints={mint1,mint2,...}", {
  "method": "GET"
});
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}
Python
import httpx
res = httpx.request("GET", "https://saylorinnovations.com/api/compare?mints={mint1,mint2,...}")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Details

Provider
Saylor Innovations Knowledge Base
Endpoint
https://saylorinnovations.com/api/compare?mints={mint1,mint2,...}
Side effects
Paid calls settle the advertised payment; see the provider contract for execution behavior.
Machine-readable
/resources/saylorinnovations-api-compare-523122ee.json