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$ man link-unshortener

/link-unshortener

agentutility / web-probe / link-unshortener
PRICE / CALL
$0.02
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
webprobe
CATEGORY
uncategorized
STATUS
live
NAME
link-unshortener unshortens links, unmasking shortened urls before fetch, enrichment, or security review
synonym alias of expand-url — reuses the canonical handler.
SYNOPSIS
POST https://x402.agentutility.ai/link-unshortener
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

     { ... }
↳ first call → 402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.
DESCRIPTION

Unshortens links, unmasking shortened URLs before fetch, enrichment, or security review. Same expand-url backend. Use it as a link unshortener API, short URL resolver, or phishing redirect inspector.

INPUTrequest schema
propertytypedescriptionreq?
urlstringStarting URL (typically a shortlink). Must be http(s).required
max_hopsnumberMaximum redirect hops to follow. 1-20. Default 10.optional
user_agentstringOptional User-Agent header to send (some shorteners gate by UA). Default is a generic browser UA.optional
OUTPUTresponse shape
fieldtypedescription
final_urlstring
redirect_chainstring
EXAMPLEStwo ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.agentutility.ai/link-unshortener \
  -H 'Content-Type: application/json' \
  -d '{ }'
first response = 402 Payment Required with payment requirements; sign + retry with X-PAYMENT.
EXAMPLE 2 · mcp
# Install the MCP package for this endpoint's cluster
npx -y @agentutility/mcp-<cluster>

# Required: EVM private key with USDC on Base
export X402_PRIVATE_KEY=0x...

# Then call the link-unshortener tool from your MCP-aware agent.
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
tags
web-probelinkunshortenerlink-unshortener
methods
POST
cluster
webprobe
price
$0.02 USDC per call
ADJACENTother endpoints in webprobe
endpointdescriptionprice
archive-snapshotFinds the closest archived snapshot of a public URL, like a Wayback Machine API.$0.02
archive-snapshot-apiFinds archived snapshots of public web pages, returning the closest Wayback Machine captures with timestamps, status codes, and replay URLs.$0.02
archive-urlLooks up the archived copy of a public URL closest to a given timestamp and can fetch cleaned archived page text.$0.02
brand-domain-checkChecks whether a brand or company domain is established, expiring, registrar-locked, or newly registered, on the same RDAP backend as who…$0.02
brand-watch-domain-riskChecks new or suspicious brand-adjacent domains for age, registrar, expiry, DNSSEC, and transfer/lock statuses.$0.02
creator-domain-checkChecks creator, newsletter, podcast, and community domains for age, expiry, registrar, DNSSEC, and suspicious new-registration flags.$0.02
dmarc-checkAudits a domain's email authentication posture: DMARC, SPF, and DKIM in one check.$0.02
dns-lookupFull DNS lookup over Cloudflare 1.1.1.1 DNS-over-HTTPS.$0.02
SEE ALSO
agentutility · webprobe · x402 · mcp · llms.txt · registry.json · bazaar.x402.org