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MARKET MONITOR / CATALOGUE Services 86,883 MCP listed 39,685 x402 47,214 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-26 · 3 sources
Task

Http Headers

8 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Security Header Diff x402 REST usage

Compare a fixed list of ten security-relevant response headers across two releases and name the specific reverts. Reports a header removed, added or changed, and separately a reduced Strict-Transport-Security max-age, dr...

api.zfinia.com Security 1 calls / 30d checked 2026-10-26
0.11 USDC per call per call

Security headers check, HTTP x402 REST usage

Security headers check, HTTP. Fetch a public URL and grade its HTTP security headers: HSTS, Content-Security-Policy, framing protection, nosniff, Referrer-Policy and Permissions-Policy, plus version leaks (Server, X-Powe...

agent-data-tools.revmesh2074.workers.dev Security 5 calls / 30d checked 2026-10-26
0.01 USDC per call per call

HTTP Header Checker x402 REST usage

Sends a request to a web address you provide and reports back everything the server said in response: the status code, all the response headers, how many times it got redirected, and how long the whole thing took.

http-header-checker.underscoredone.com Infrastructure 3 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Security headers audit x402 REST usage

Website security headers audit: HTTPS, HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy and cookie flags, with a score.

api.vextorium.com Security 5 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Saylor Innovations Audits x402 REST usage

x402 endpoint trust report - repeated 402 probes, price stability, latency and Coinbase Bazaar usage

saylorinnovations.com Crypto & Payments 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Saylor Innovations Website Secur x402 REST usage

Website security grade for a hostname (Mozilla HTTP Observatory) - letter grade, score and tests passed

saylorinnovations.com Security 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

PennyAPI HTTP Header Inspector x402 REST usage

Inspect HTTP response headers before an agent trusts or integrates a URL: content type, cache controls, CORS, HSTS, CSP, framing, referrer, permissions policy, server, ETag, and last-modified.

pennyregwatch.com Security 3 calls / 30d checked 2026-10-26
0.001 USDC per call per call

Forest Web x402 REST usage

Convert one bounded fiat amount using the latest successfully fetched European Central Bank daily foreign-exchange reference table. Forest returns the ECB observation date and deterministic cross-rates through EUR. Fresh...

http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run Crypto & Payments 3 calls / 30d checked 2026-10-26
0.001 USDC per call per call

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