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$ man inbox-readiness-check

/inbox-readiness-check

agentutility / web-probe / inbox-readiness-check
PRICE / CALL
$0.005
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
webprobe
CATEGORY
uncategorized
STATUS
live
NAME
inbox-readiness-check checks whether an email domain is ready to receive mail, returning a low/medium/high risk bucket and findings for mail launch or lead-rou…
synonym alias of email-deliverability-check — reuses the canonical handler.
SYNOPSIS
POST https://x402.agentutility.ai/inbox-readiness-check
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

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

Checks whether an email domain is ready to receive mail, returning a low/medium/high risk bucket and findings for mail launch or lead-routing workflows. Covers MX reachability, SPF mode, DMARC policy, DKIM selectors, disposable-domain risk, and role-account signals. Use it as an inbox readiness check, email domain health probe, or deliverability score API.

INPUTrequest schema
propertytypedescriptionreq?
emailstringEmail address to validate and score, e.g. '[email protected]'.required
dkim_selectorsarrayOptional DKIM selectors to check. Defaults to common selectors such as google, selector1, selector2, s1, and s2.optional
OUTPUTresponse shape
fieldtypedescription
deliverability_scorestring
riskstring
can_receive_mailstring
EXAMPLEStwo ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.agentutility.ai/inbox-readiness-check \
  -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 inbox-readiness-check tool from your MCP-aware agent.
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
tags
web-probeinboxreadinesscheckinbox-readiness-check
methods
POST
cluster
webprobe
price
$0.005 USDC per call
ADJACENTother endpoints in webprobe
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brand-name-scoreScores a candidate brand or startup name on quality and risk.$0.005
company-name-scoreScores the quality of a company name before you commit to domain, handle, trademark, and launch work.$0.005
crypto-headlinesSearches recent bitcoin, ethereum, and DeFi headlines via GDELT with a GNews fallback when configured, returning headline URLs, domains,…$0.005
crypto-newsFetches recent cryptocurrency news headlines from GDELT with a GNews fallback when configured, filtered by crypto topic or caller query,…$0.005
disposable-email-checkDetects disposable and throwaway email addresses before they get through your signup form.$0.005
domain-availabilityChecks whether a domain is registered and returns registrar, registration date, expiry date, days_until_expiry, and current EPP status flags.$0.005
emailValidates an email address end to end: syntax, MX reachability, disposable/temp-mail domains, role accounts, and SPF/DMARC/DKIM posture.$0.005
SEE ALSO
agentutility · webprobe · x402 · mcp · llms.txt · registry.json · bazaar.x402.org