MARKET MONITOR / CATALOGUE Services 152,287 MCP listed 46,288 x402 106,128 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-09 · 3 sources

Comms & Messaging

Email, chat, SMS and notification delivery. Most of these need the operator’s own account or key before anything is sent.

3,474 services with a source 145 pages

Schedule & Timezone Tools x402 REST usage

Timezone converter — resolve civil-time daylight-saving (DST) folds or gaps and convert one local time between IANA zones.

schedule-tools.use.x402atlas.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.005 USDC per call per call

Gnss degradation x402 REST usage

Estimates how likely satellite navigation is to be degraded, keeping two distinct mechanisms apart. Ionospheric delay error rises with geomagnetic activity, affects single-frequency receivers far more than dual-frequency...

natur.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-08
0.004 USDC per call per call

Email SPF DMARC MX check x402 REST usage

Check a domain's email authentication setup. Pass ?domain= and get SPF (mechanisms, the all qualifier, DNS-lookup count with include: and redirect= followed up to 10 extra reads, flagged over 10), DMARC (p, sp, pct, rua...

apexfaucet.xyz Comms & Messaging 2 calls / 30d checked 2026-11-09
0.002 USDC per call per call

Working Days Calculator x402 REST usage

Working days calculator: counts the business days between two dates in any of 220+ countries, excluding weekends and public holidays, and lists the holidays excluded. Local weekends supported. Verified calendars for Sout...

agentstall.padawanconsulting.com Comms & Messaging 2 calls / 30d checked 2026-11-09
0.002 USDC per call per call

Allowed domain partition x402 REST usage

Partner campaign: partition rows by explicitly allowed domains. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 s...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Baseline added x402 REST usage

CRM synchronization: addresses newly appearing after baseline. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 so...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Baseline removed x402 REST usage

CRM synchronization: baseline addresses missing in current import. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to50...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Baseline retained x402 REST usage

CRM synchronization: address intersection against baseline. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 sourc...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Blocked domain apply x402 REST usage

Campaign safety: remove customer-supplied blocked recipient domains. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Candidate csv export x402 REST usage

Import handoff: export CRM-ready candidates as csv. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 source rows;6...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Candidate ndjson export x402 REST usage

Import handoff: export CRM-ready candidates as ndjson. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 source row...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Consecutive local dots x402 REST usage

Import repair: identify consecutive dots in local parts. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 source r...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Control character review x402 REST usage

CSV import repair: identify control characters in supplied rows. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Display name contamination x402 REST usage

CSV import repair: identify embedded display-name wrappers. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 sourc...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Domain label edge hyphens x402 REST usage

Import repair: identify domain labels with edge hyphens. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 source r...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Domain literal review x402 REST usage

Import compatibility: identify supplied address-literal domain forms. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up t...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Domain targeted repair groups x402 REST usage

Import repair: group findings for specified domain administrators. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to50...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Domain underscore review x402 REST usage

Import repair: identify underscore-containing domain labels. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 sour...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Empty domain label review x402 REST usage

Import repair: identify empty domain labels. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 source rows;65s engi...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

International local review x402 REST usage

Import compatibility: identify non-ASCII local parts needing SMTPUTF8 review. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never fold...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Local edge dot review x402 REST usage

Import repair: identify local parts beginning or ending in a dot. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Local space review x402 REST usage

Import repair: identify whitespace inside local parts. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 source row...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Mailbox proof disclosure x402 REST usage

Deliverability honesty: disclose SMTP attempts and mailbox-proof gaps. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

Normalization change log x402 REST usage

Import audit: retain before/after normalization changes. Reuses the existing email-list-clean motor. No SMTP probes or mailbox existence/catch-all proof. Local part case, plus and dots are never folded. Up to500 source r...

buero.halowerk.com Comms & Messaging 1 calls / 30d checked 2026-11-09
0.004 USDC per call per call

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