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
156,266
Distinct MCP URLs
43
Catalog observations
271,703
URLs with a 402 in 7 days
22
Network identifiers
177

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HTTP https://scaudit.madebydevx.com/v1/quick · 1 observation
Quick Solidity pre-audit check, $0.90 USDC on Base: send source or a verified contract address + chain; the same automated engine returns the verdict (grade, score, security and owner-trust risk), severity counts, the top 5 findings with location and fix, and owner powers found (mint, pause, blacklist, fees, upgrade). Triage, not a human audit; failed runs not charged. Every finding with code and detail: POST /v1/audit ($99). By DevX.

scaudit.madebydevx.com profile

  • Base · exact
    $0.9000 (USDC)
    Recipient 0xB3cDDccEe6B150c8efFD55B961afc0Ecefe7f247
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
POST https://scaudit.madebydevx.com/v1/quick · 1 observation
Quick Solidity pre-audit check, $0.90 USDC on Base: send source or a verified contract address + chain; the same automated engine returns the verdict (grade, score, security and owner-trust risk), severity counts, the top 5 findings with location and fix, and owner powers found (mint, pause, blacklist, fees, upgrade). Triage, not a human audit; failed runs not charged. Every finding with code and detail: POST /v1/audit ($99). By DevX.

scaudit.madebydevx.com profile

  • Base · exact
    $0.9000 (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.