x402 resource directory

Find paid HTTP operations and MCP tools by URL, host, method or tool name. Compare payment terms across networks and catalogs.

Distinct HTTP URLs
162,662
Distinct MCP URLs
43
Catalog observations
263,972
URLs with a 402 in 7 days
1,481
Network identifiers
181

These results as JSON

GET https://03s9tr085tfe5agke0tpqng34o.ingress.quanglong.org/x402/wallet-verdict · 1 observation
THE DECISION for a wallet, in one paid call — should you settle an invoice to this address? Returns a 0-100 risk score, a PAY / CAUTION / AVOID verdict, the exact evidence that moved the score (buying power, transaction history, contract status, recent payer pattern), and the next action to take. Built for agents that pay other agents: x402 seller vetting, prepay-or-not calls, invoice risk caps, airdrop allowlist screening. Underlying facts are included so the caller can re-d

03s9tr085tfe5agke0tpqng34o.ingress.quanglong.org profile

  • Base · exact
    $0.2500 (USDC)
    agentic.market · seen
GET https://10x402.blue/api/algo-hub/sentinel/audit · 1 observation
Ashlar Blue - Explainable ML Security Sentinel & Algorand Sovereign Agent Arcade
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0100 (USDC)
    Recipient 7X62YXQK2UTT7RY6IA2DMAJBPEA57C2MAZ6TGHXIF23E6Z6K5WQS5SNP64
    GoPlausible · seen
POST https://10x402.com/lint · 1 observation
Find conformance blockers to x402 indexing and payment on a live endpoint

10x402.com profile

  • Base · exact
    $0.1000 (USDC)
    agentic.market · seen
POST https://10x402.com/lint/envelope · 1 observation
Check a captured x402 402 for indexing and payment blockers — no fetch

10x402.com profile

  • Base · exact
    $0.0400 (USDC)
    agentic.market · seen
POST https://10x402.com/lint/envelope/one · 3 observations
Run ONE named check against a response you paste

10x402.com profile

  • Solana · exact
    $0.0040 (USDC)
    Recipient 6Cg4g7rXQApimMc9wVJGLLZfHsvbwGpGrUpGDgyJ2RaP
    Coinbase CDP · seen
    Coinbase CDP reports 5 calls and 5 unique payers in 30 days. Last call .
  • Base · exact
    $0.0040 (USDC)
    Recipient 0x885E7BEF433eb78F5976b28A7c10739c98DB11E5
    Coinbase CDP · seen
  • Base · exact
    $0.0040 (USDC)
    agentic.market · seen
POST https://10x402.com/lint/one · 1 observation
Run ONE named check against a live endpoint

10x402.com profile

  • Base · exact
    $0.0150 (USDC)
    agentic.market · seen
POST https://10x402.com/monitor/history · 1 observation
Every day this wing has held for one host — instrument readings and probes

10x402.com profile

  • Base · exact
    $0.0300 (USDC)
    agentic.market · seen
POST https://10x402.com/monitor/receipt · 1 observation
The dispute pack: the series, the contradiction stated, a SHA-256 digest and an attestation

10x402.com profile

  • Base · exact
    $0.1200 (USDC)
    agentic.market · seen
POST https://10x402.com/monitor/verdict · 1 observation
The latest stored reading for a host: three rating instruments plus what it answered when asked — dated, never live, and it says how old it is

10x402.com profile

  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://10x402.com/presence · 1 observation
Where a live x402 resource stands with the registries — Bazaar, x402scan, and on-chain

10x402.com profile

  • Base · exact
    $0.0600 (USDC)
    agentic.market · seen
HTTP https://135-181-53-91.sslip.io/api/x402/audit · 1 observation

audit-alpha profile

  • Base
    Amount unreported
    Operator manifest · seen
GET https://135-181-53-91.sslip.io/api/x402/checklist 402 observed · 1 observation

audit-alpha profile

  • Base 402 observed · exact
    $0.0100 (USDC)
    Recipient 0x17cff33d362a11a209b47c5b9966a8ab6a83a2ab
    Agenstry probe · seen
GET https://135-181-53-91.sslip.io/api/x402/landing-page-audit 402 observed · 1 observation

audit-alpha profile

  • Base 402 observed · exact
    $0.0500 (USDC)
    Recipient 0x17cff33d362a11a209b47c5b9966a8ab6a83a2ab
    Agenstry probe · seen
GET https://137-184-201-7.sslip.io/v1/pulse · 1 observation
One call replaces four for AI agents: CoinGecko BTC/ETH/SOL/HYPE spots + 24h change, Fear & Greed, Hyperliquid funding/mark/OI, DefiLlama TVL/yields, plus a plain-English summary and signals. Keyless upstreams, 60s live cache, x402 USDC on Solana. Free sample GET /v1/sample; MCP POST /mcp.

137-184-201-7 profile

  • Solana · exact
    $0.0200 (USDC)
    Recipient 37CP6YemJJQ6sMu4Ue6C7pgC7BXkN6iCcCHVeZunvPod
    Coinbase CDP · seen
    Coinbase CDP reports 2 calls and 1 unique payers in 30 days. Last call .
GET https://137-184-201-7.sslip.io/v1/spots · 1 observation
Cheap BTC/ETH/SOL/SUI/HYPE/ZEC USD spots + 24h change from CoinGecko, with summary. Use /v1/pulse when you also need Fear & Greed, funding, or DeFi (one call replaces four).

137-184-201-7 profile

  • Solana · exact
    $0.0050 (USDC)
    Recipient 37CP6YemJJQ6sMu4Ue6C7pgC7BXkN6iCcCHVeZunvPod
    Coinbase CDP · seen
    Coinbase CDP reports 5 calls and 3 unique payers in 30 days. Last call .
GET https://138-197-15-135.sslip.io/v1/ai/chat · 1 observation
One-shot LLM completion for agents: send a prompt (and optional system message), get the answer text. Flat $0.002 per call, no account or API key; cheaper than typical x402 chat proxies. Up to ~2,000 chars of prompt and 600 output tokens. GET or POST JSON {prompt, system}.

Hearth: x402 Pay-Safety & Discovery profile

  • Base · exact
    $0.0020 (USDC)
    agentic.market · seen
GET https://138-197-15-135.sslip.io/v1/ai/extract · 1 observation
Fetch a public web page and extract the fields you name into clean JSON (e.g. fields=name,price,currency,availability or company,ceo,founded). Missing values come back as null. Up to 20 fields.

Hearth: x402 Pay-Safety & Discovery profile

  • Base · exact
    $0.0200 (USDC)
    agentic.market · seen
GET https://138-197-15-135.sslip.io/v1/ai/summarize · 1 observation
Fetch a public web page and return a concise summary: title, 3-7 key points, a one-paragraph TL;DR and the page's main entities. Good for research agents that need the gist of a URL cheaply.

Hearth: x402 Pay-Safety & Discovery profile

  • Base · exact
    $0.0150 (USDC)
    agentic.market · seen
GET https://138-197-15-135.sslip.io/v1/ai/tx-explain · 1 observation
Plain-English explanation of any transaction on Base, Ethereum, Arbitrum or Optimism: what happened, who sent what to whom (decoded token transfers with amounts and symbols), the method called, fee paid, and success/failure. Returns a summary plus the structured facts it is based on.

Hearth: x402 Pay-Safety & Discovery profile

  • Base · exact
    $0.0150 (USDC)
    agentic.market · seen
GET https://138-197-15-135.sslip.io/v1/base/erc20-balance · 1 observation
ERC20 balance of any wallet on Base, Ethereum, Arbitrum or Optimism (USDC by default) via balanceOf, with decimals applied. Deterministic, no LLM.

Hearth: x402 Pay-Safety & Discovery profile

  • Base · exact
    $0.0025 (USDC)
    agentic.market · seen
GET https://138-197-15-135.sslip.io/v1/base/token-info · 1 observation
Name, symbol, decimals, total supply and bytecode presence for a token contract on Base, Ethereum, Arbitrum or Optimism. Deterministic, no LLM.

Hearth: x402 Pay-Safety & Discovery profile

  • Base · exact
    $0.0040 (USDC)
    agentic.market · seen
GET https://138-197-15-135.sslip.io/v1/base/tx-status · 1 observation
Status of a transaction on Base, Ethereum, Arbitrum or Optimism: pending/success/failed, block, confirmations, from/to, gas used, log count. Deterministic, no LLM.

Hearth: x402 Pay-Safety & Discovery profile

  • Base · exact
    $0.0040 (USDC)
    agentic.market · seen
GET https://138-197-15-135.sslip.io/v1/base/wallet · 1 observation
Native ETH balance, nonce (tx count) and whether the address is a contract, on Base, Ethereum, Arbitrum or Optimism. Deterministic, no LLM.

Hearth: x402 Pay-Safety & Discovery profile

  • Base · exact
    $0.0025 (USDC)
    agentic.market · seen
GET https://138-197-15-135.sslip.io/v1/base/wallet-profile · 1 observation
One-call Base wallet profile: ETH and major token holdings (USDC, WETH, USDT, DAI, cbBTC, cbETH, AERO, EURC) with USD values, total USD, nonce (lifetime sent tx count), EOA vs contract (incl. EIP-7702 smart account), recent ERC20 transfers in/out over ~5,000 blocks (~3h) with net flow, top counterparties labeled where known (Uniswap, Aerodrome, 1inch, 0x, Aave, Seaport, bridges), and a simple wallet type. Free public data, deterministic, no LLM.

Hearth: x402 Pay-Safety & Discovery profile

  • Base · exact
    $0.0120 (USDC)
    agentic.market · seen

Counts describe directory coverage, including testnets. Each resource groups the same URL, HTTP method or MCP tool across sources. A catalog sighting records published terms. A live 402 records the endpoint’s reply to an unpaid request.