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LoneStarOracle ContractCheck

Paid API that checks a deployed contract address on Ethereum, Base, BSC, Arbitrum or Polygon and returns source verification status, proxy type, owner address, compiler version and risk flags. $0.05 per call via x402.

Pay from $0.05 per request in USDC on Base / Solana, settled onchain via the x402 protocol, no signup, no API key needed.

UPTIME 24H 100% │ 7D 100% │ 30D 100%

BASE URL https://contract.lonestaroracle.xyz │ ENDPOINTS 1 │ NETWORK Base / Solana │ ASSET USDC │ MEMBER SINCE 2026-07-20 │ MONITORED SINCE 2026-07-20

ASSESSMENT

updated 5h ago

Evidence-backed signals, not a single score. Click any chip for the proof. Measured values stay read-only; unknown is honest.

reliability 100%

uptime 24h: 100%
uptime 7d: 100%
uptime 30d: 100%
uptime 90d: 100%
response p95: 1532ms
avg response: 938ms
total checks: 24

compliance A (11/11)

11 of 11 x402 conformance checks pass. Full checklist below.

jump to compliance checklist

price $0.05 (p79 in Blockchain)

price (min): $0.05
category percentile (min): p79 in Blockchain
endpoints / prices: 1 / 1
model: flat
stability: 100%

risk clean

No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.

traction $1.57 30d · 2 buyers

volume 30d: $1.57
buyers 30d: 2
settlements 30d: 14
last settlement: 2026-07-21
top buyer share: 61% of 30d volume
trend 7d vs 30d: 0.39x the 30d daily rate
networks: eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d

Attributed pro-quota: this payout address is shared, so volume and buyers are the operator-level figure divided by the services sharing it. A declared convention, not an individually observed measure, and still a conservative undercount.

Top buyer share is a concentration signal, not part of the ranking score.

WHAT IT DOES

ai-derived

Verifies blockchain contracts on the Base network

category: blockchain-verification
in: query params

blockchaincontract-verificationeip155

AI-generated summary. The measured data is never altered by it.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD	PATH	DESCRIPTION	PRICE	NETWORK	ASSET
GET	/verify		$0.05	Base/Solana	USDC

1 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to GET /verify returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request

curl -i 'https://contract.lonestaroracle.xyz/verify'

// 402 response (captured by monitor) · 1 payload · click to expand

[
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
        "amount": "50000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
        "amount": "50000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://contract.lonestaroracle.xyz/verify",
      "tags": [
        "contract",
        "security",
        "honeypot",
        "rug-pull",
        "defi"
      ],
      "iconUrl": "https://lonestaroracle.xyz/lso_logo.svg",
      "mimeType": "",
      "description": "Smart contract verification and security analysis on Ethereum Base BSC Arbitrum Polygon",
      "serviceName": "LoneStarOracle ContractCheck"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "chain": "eth",
              "address": "example"
            }
          },
          "output": {
            "type": "object",
            "format": "json",
            "example": {
              "name": "USD Coin",
              "chain": "eth",
              "symbol": "USDC",
              "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
              "summary": "USDC (USD Coin) on ETH: Risk 0/10 (clean) | No flags",
              "cex_list": [
                "Binance",
                "Coinbase"
              ],
              "is_proxy": true,
              "cex_listed": true,
              "dex_listed": true,
              "risk_flags": [],
              "risk_label": "clean",
              "risk_score": 0,
              "trust_list": true,
              "buy_tax_pct": 0,
              "is_honeypot": false,
              "is_mintable": false,
              "hidden_owner": false,
              "holder_count": 6899288,
              "sell_tax_pct": 0,
              "is_open_source": true,
              "has_selfdestruct": false
            }
          }
        },
        "schema": {
          "name": "LoneStarOracle — ContractCheck",
          "tags": [
            "contract",
            "security",
            "honeypot",
            "rug-pull",
            "defi",
            "token",
            "audit"
          ],
          "type": "object",
          "version": "1.0.0",
          "category": "blockchain",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "properties": {
                    "chain": {
                      "type": "string",
                      "title": "Chain",
                      "default": "eth"
                    },
                    "address": {
                      "type": "string",
                      "title": "Address"
                    }
                  }
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "name": "USD Coin",
                  "chain": "eth",
                  "symbol": "USDC",
                  "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
                  "summary": "USDC (USD Coin) on ETH: Risk 0/10 (clean) | No flags",
                  "cex_list": [
                    "Binance",
                    "Coinbase"
                  ],
                  "is_proxy": true,
                  "cex_listed": true,
                  "dex_listed": true,
                  "risk_flags": [],
                  "risk_label": "clean",
                  "risk_score": 0,
                  "trust_list": true,
                  "buy_tax_pct": 0,
                  "is_honeypot": false,
                  "is_mintable": false,
                  "hidden_owner": false,
                  "holder_count": 6899288,
                  "sell_tax_pct": 0,
                  "is_open_source": true,
                  "has_selfdestruct": false
                }
              }
            }
          },
          "description": "AI-powered smart contract security audit. Scans for honeypots, rug functions, hidden ownership, tax manipulation, and 15+ risk vectors via GoPlus, then generates a plain-English Claude AI verdict explaining the flags and whether the contract is safe to interact with. Returns risk score 0-10, all active flags, token metadata, and an actionable AI assessment. Supports Ethereum, Base, BSC, Arbitrum, Polygon."
        }
      },
      "bc_kg64bd18": {}
    },
    "x402Version": 2
  }
]

UPTIME

RESPONSE TIME

30d UPTIME 100%

UPTIME 30D 100%

AVG RESP 969ms

TOTAL CHECKS 42

RECENT CHECKS

TIME STATUS RESP

07:33:01 UTC ● OK 1041ms

07:17:00 UTC ● OK 830ms

07:01:00 UTC ● OK 768ms

06:45:00 UTC ● OK 897ms

06:29:00 UTC ● OK 857ms

06:13:00 UTC ● OK 680ms

05:57:00 UTC ● OK 726ms

05:41:00 UTC ● OK 861ms

05:25:00 UTC ● OK 663ms

05:09:01 UTC ● OK 1139ms

04:53:01 UTC ● OK 1408ms

04:37:01 UTC ● OK 1111ms

04:21:01 UTC ● SLOW 1459ms

04:05:01 UTC ● OK 1265ms

03:49:01 UTC ● OK 1255ms

03:33:01 UTC ● OK 1046ms

03:17:01 UTC ● OK 1140ms

03:01:01 UTC ● OK 1035ms

OVER TIME

All charts share the 30d window selected here. Every series is also served as JSON at /api/v1/services/lonestaroracle-contractcheck/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted).

PRICE (captured 402, USD)

SUB-SCORES (uptime + x402 compliance)

VOLUME (on-chain settlement, USD)

Shared payout address (45 other services). These bars are the full shared address (operator-level), so do not sum them across the services that share it. Where a per-service figure is attributed, the assessment block and the ranking, it is the address total divided pro-quota by the 46 services sharing it: a declared convention, not an individually observed measure.

DISTINCT BUYERS

Shared payout address (45 other services). These bars are the full shared address (operator-level), so do not sum them across the services that share it. Where a per-service buyer count is attributed, the assessment block and the ranking, it is divided pro-quota by the 46 services sharing the address and can be fractional: a declared convention, not an individually observed measure.

COMPLIANCE

11/11 checks pass · grade A

402 payload captured
accepts[] array present
payTo address recoverable
payTo at accepts[0].payTo (conformant shape)
payTo is a valid on-chain address
atomic price declared
atomic price in a sane range
asset (token) address declared
network resolves to CAIP-2
payment scheme declared
served over HTTPS

EMBED THIS BADGE

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status

LoneStarOracle ContractCheck uptime on x402-list — live uptime

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RUN THIS SERVICE?

Keep this listing accurate: propose changes to the name, description, website, category or add new endpoints to monitor. Ownership is verified with a domain proof and every change is reviewed manually; measured data stays read-only.

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