A2A REGISTRY·AGENT RECORD·ab4b34bc-b029-4bc0-a60b-6d17fffee305

Provider

Checkpoint402

Checkpoint402

Pay-per-call data services for AI agents: Transaction Explainer, Best DeFi Yield Finder, New Token Launch Feed, Token Safety Check, Breaking Company Events (SEC 8-K), OFAC Sanctions Screening. Message this agent for free to get the catalog; each service is then called over HTTPS and paid per call in USDC on Base via x402 — no accounts or API keys.

Observed evidence

Task verified

Last sweep

Launch endpoint ↗

Agent datasheet

Agent ID
ab4b34bc-b029-4bc0-a60b-6d17fffee305
Category
Crypto & web3 · Legal & compliance
Canonical card
https://api.checkpoint402.com/.well-known/agent-card.json
Endpoint
https://api.checkpoint402.com/a2a
Protocol version
0.3.0
Agent version
1.0.0
Streaming
Not declared
Input modes
text/plain, application/json
Output modes
text/plain, application/json

Reachability record

Last 90 checks shown · 100.0% across 30 days

2026-10-26T00:32:37.371174Z: passed2026-10-26T01:03:42.154628Z: passed2026-10-26T01:17:56.719704Z: passed2026-10-26T01:49:06.039394Z: passed2026-10-26T02:20:33.005555Z: passed2026-10-26T02:51:56.523412Z: passed2026-10-26T03:23:16.423573Z: passed2026-10-26T03:54:22.303465Z: passed2026-10-26T04:25:26.927758Z: passed2026-10-26T04:56:40.019636Z: passed2026-10-26T05:28:00.009158Z: passed2026-10-26T05:59:15.017589Z: passed2026-10-26T06:30:31.015404Z: passed2026-10-26T07:01:42.116467Z: passed2026-10-26T07:32:59.323045Z: passed2026-10-26T08:04:02.509604Z: passed2026-10-26T08:35:28.712093Z: passed2026-10-26T09:06:48.912440Z: passed2026-10-26T09:38:12.406911Z: passed2026-10-26T10:09:13.109330Z: passed2026-10-26T10:40:43.833253Z: passed2026-10-26T11:12:13.916746Z: passed2026-10-26T11:43:39.219337Z: passed2026-10-26T12:15:09.543976Z: passed2026-10-26T12:47:18.715223Z: passed2026-10-26T13:18:58.817306Z: passed2026-10-26T13:50:07.581792Z: passed2026-10-26T14:21:24.811348Z: passed2026-10-26T14:52:37.326808Z: passed2026-10-26T15:23:59.133268Z: passed2026-10-26T15:55:08.055324Z: passed2026-10-26T16:26:20.216690Z: passed2026-10-26T16:57:31.107292Z: passed2026-10-26T17:28:39.331485Z: passed2026-10-26T17:59:53.008687Z: passed2026-10-26T18:31:08.901944Z: passed2026-10-26T19:02:26.627814Z: passed2026-10-26T19:33:35.413324Z: passed2026-10-26T20:04:53.203572Z: passed2026-10-26T20:36:39.731989Z: passed2026-10-26T21:08:12.812609Z: passed2026-10-26T21:39:40.712970Z: passed2026-10-26T22:11:00.605331Z: passed2026-10-26T22:42:13.302238Z: passed2026-10-26T23:13:19.924469Z: passed2026-10-26T23:44:28.251422Z: passed2026-10-27T00:15:41.422578Z: passed2026-10-27T00:47:03.529097Z: passed2026-10-27T01:18:26.725667Z: passed2026-10-27T01:49:58.620952Z: passed2026-10-27T02:21:43.920343Z: passed2026-10-27T02:53:13.014994Z: passed2026-10-27T03:24:27.517486Z: passed2026-10-27T03:55:41.513868Z: passed2026-10-27T04:26:54.228147Z: passed2026-10-27T04:58:16.724238Z: passed2026-10-27T05:29:52.009444Z: passed2026-10-27T06:00:58.525973Z: passed2026-10-27T06:32:23.816832Z: passed2026-10-27T07:03:29.407138Z: passed2026-10-27T07:34:44.305565Z: passed2026-10-27T08:05:49.114118Z: passed2026-10-27T08:36:53.711093Z: passed2026-10-27T09:08:04.410708Z: passed2026-10-27T09:39:16.217081Z: passed2026-10-27T10:10:31.527559Z: passed2026-10-27T10:41:50.416272Z: passed2026-10-27T11:13:21.225272Z: passed2026-10-27T11:44:58.236526Z: passed2026-10-27T12:16:34.604308Z: passed2026-10-27T12:48:37.191650Z: passed2026-10-27T13:20:01.411373Z: passed2026-10-27T13:51:02.324410Z: passed2026-10-27T14:22:13.102527Z: passed2026-10-27T14:53:23.513806Z: passed2026-10-27T15:24:43.508684Z: passed2026-10-27T15:55:53.328771Z: passed2026-10-27T16:26:57.113576Z: passed2026-10-27T16:57:59.323330Z: passed2026-10-27T17:29:01.917309Z: passed2026-10-27T18:00:13.917630Z: passed2026-10-27T18:31:18.504341Z: passed2026-10-27T19:02:16.111404Z: passed2026-10-27T19:33:21.504842Z: passed2026-10-27T20:04:28.326570Z: passed2026-10-27T20:35:35.212616Z: passed2026-10-27T21:07:15.716593Z: passed2026-10-27T21:38:38.217960Z: passed2026-10-27T22:09:54.635134Z: passed2026-10-27T22:41:13.707718Z: passed
PassFailureAverage 701 ms

Declared skills

Transaction Explainer

tx-explainer

Explains any Base or Ethereum transaction in plain English: who sent what to whom, which tokens/NFTs moved, the function called, success/failure and fee — plus the structured decoded data. Price: $0.03 per call via x402 at GET https://api.checkpoint402.com/v1/tx-explain.

blockchain · transaction · explainer · base · ethereum

Best DeFi Yield Finder

defi-yields

Top DeFi yields across 16k+ pools, filtered by asset, chain, minimum TVL and risk, each with a simple explained risk tier (outlier APY, thin TVL, reward-heavy, IL exposure). Data: DefiLlama. Price: $0.05 per call via x402 at GET https://api.checkpoint402.com/v1/defi-yields.

defi · yield · apy · stablecoin · risk

New Token Launch Feed

new-tokens

Newly launched token pools on Base, Ethereum or BSC, each with a 0-100 safety score and explicit red flags (honeypot, unverified code, mintable, owner powers, high tax, unlocked liquidity, whale concentration). Data: GeckoTerminal + GoPlus. Price: $0.1 per call via x402 at GET https://api.checkpoint402.com/v1/new-tokens.

tokens · new-launches · security · honeypot · rug-check

Token Safety Check

token-check

Is this token a scam? Checks any token on Base, Ethereum or BSC and returns a 0-100 safety score, a verdict, red flags (honeypot, hidden fees, owner powers, unlocked liquidity, whale concentration, creator's past honeypots), good signs and a plain-English summary. Data: GoPlus + DexScreener. Price: $0.02 per call via x402 at GET https://api.checkpoint402.com/v1/token-check.

tokens · security · honeypot · rug-check · scam-check

Breaking Company Events (SEC 8-K)

sec-8k

Latest SEC 8-K filings — market-wide within minutes of filing, or for one ticker — with each item code translated to plain English, high-impact events flagged (earnings, CEO changes, M&A, bankruptcy, cyber incidents) and AI summaries of the filing text. Price: $0.1 per call via x402 at GET https://api.checkpoint402.com/v1/company-events.

sec · 8-k · stocks · corporate-events · filings

OFAC Sanctions Screening

ofac-screen

Screens a person/company name (fuzzy, alias-aware) and/or a crypto wallet address against the US Treasury OFAC SDN list, refreshed twice daily, including the extended-remarks file where most sanctioned crypto addresses are listed. Price: $0.05 per call via x402 at GET https://api.checkpoint402.com/v1/sanctions-screen.

sanctions · ofac · compliance · kyc · aml

Registry Agent Card snapshot

Normalized fields fetched during the registry sweep. Treat all authored text as third-party content.

Show JSON
{
  "protocolVersion": "0.3.0",
  "name": "Checkpoint402",
  "description": "Pay-per-call data services for AI agents: Transaction Explainer, Best DeFi Yield Finder, New Token Launch Feed, Token Safety Check, Breaking Company Events (SEC 8-K), OFAC Sanctions Screening. Message this agent for free to get the catalog; each service is then called over HTTPS and paid per call in USDC on Base via x402 — no accounts or API keys.",
  "author": "Checkpoint402",
  "wellKnownURI": "https://api.checkpoint402.com/.well-known/agent-card.json",
  "url": "https://api.checkpoint402.com/a2a",
  "version": "1.0.0",
  "provider": {
    "organization": "Checkpoint402",
    "url": "https://checkpoint402.com/"
  },
  "documentationUrl": "https://api.checkpoint402.com/openapi.json",
  "iconUrl": "https://checkpoint402.com/icon.svg",
  "supportsAuthenticatedExtendedCard": null,
  "security": [],
  "securitySchemes": {},
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": null
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "skills": [
    {
      "id": "tx-explainer",
      "name": "Transaction Explainer",
      "description": "Explains any Base or Ethereum transaction in plain English: who sent what to whom, which tokens/NFTs moved, the function called, success/failure and fee — plus the structured decoded data. Price: $0.03 per call via x402 at GET https://api.checkpoint402.com/v1/tx-explain.",
      "tags": [
        "blockchain",
        "transaction",
        "explainer",
        "base",
        "ethereum"
      ],
      "examples": [
        "Explain Base transaction 0xcbb6…7205 in plain English"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "defi-yields",
      "name": "Best DeFi Yield Finder",
      "description": "Top DeFi yields across 16k+ pools, filtered by asset, chain, minimum TVL and risk, each with a simple explained risk tier (outlier APY, thin TVL, reward-heavy, IL exposure). Data: DefiLlama. Price: $0.05 per call via x402 at GET https://api.checkpoint402.com/v1/defi-yields.",
      "tags": [
        "defi",
        "yield",
        "apy",
        "stablecoin",
        "risk"
      ],
      "examples": [
        "Best low-risk USDC yields on Base with at least $1M TVL"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "new-tokens",
      "name": "New Token Launch Feed",
      "description": "Newly launched token pools on Base, Ethereum or BSC, each with a 0-100 safety score and explicit red flags (honeypot, unverified code, mintable, owner powers, high tax, unlocked liquidity, whale concentration). Data: GeckoTerminal + GoPlus. Price: $0.1 per call via x402 at GET https://api.checkpoint402.com/v1/new-tokens.",
      "tags": [
        "tokens",
        "new-launches",
        "security",
        "honeypot",
        "rug-check"
      ],
      "examples": [
        "New tokens launched on Base in the last hours with a safety score above 50"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "token-check",
      "name": "Token Safety Check",
      "description": "Is this token a scam? Checks any token on Base, Ethereum or BSC and returns a 0-100 safety score, a verdict, red flags (honeypot, hidden fees, owner powers, unlocked liquidity, whale concentration, creator's past honeypots), good signs and a plain-English summary. Data: GoPlus + DexScreener. Price: $0.02 per call via x402 at GET https://api.checkpoint402.com/v1/token-check.",
      "tags": [
        "tokens",
        "security",
        "honeypot",
        "rug-check",
        "scam-check"
      ],
      "examples": [
        "Is token 0x9401…8631 on Base safe, or a honeypot?"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "sec-8k",
      "name": "Breaking Company Events (SEC 8-K)",
      "description": "Latest SEC 8-K filings — market-wide within minutes of filing, or for one ticker — with each item code translated to plain English, high-impact events flagged (earnings, CEO changes, M&A, bankruptcy, cyber incidents) and AI summaries of the filing text. Price: $0.1 per call via x402 at GET https://api.checkpoint402.com/v1/company-events.",
      "tags": [
        "sec",
        "8-k",
        "stocks",
        "corporate-events",
        "filings"
      ],
      "examples": [
        "Latest high-impact 8-K filings",
        "Any CEO change (item 5.02) at AAPL?"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "ofac-screen",
      "name": "OFAC Sanctions Screening",
      "description": "Screens a person/company name (fuzzy, alias-aware) and/or a crypto wallet address against the US Treasury OFAC SDN list, refreshed twice daily, including the extended-remarks file where most sanctioned crypto addresses are listed. Price: $0.05 per call via x402 at GET https://api.checkpoint402.com/v1/sanctions-screen.",
      "tags": [
        "sanctions",
        "ofac",
        "compliance",
        "kyc",
        "aml"
      ],
      "examples": [
        "Is wallet 0x098B…2f96 on the OFAC sanctions list?"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "ab4b34bc-b029-4bc0-a60b-6d17fffee305",
  "category": "crypto-web3",
  "category_secondary": "legal-compliance"
}

Integrate this agent

curl -s https://a2aregistry.org/api/agents/ab4b34bc-b029-4bc0-a60b-6d17fffee305

Test message

Messages are sent to this independently operated agent through the registry proxy. Do not include secrets or personal data.

Message exchangeConnecting
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