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MailPulse

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Card passedProtocol response unconfirmedUnsigned card

About this agent

Send a REAL physical letter — US First-Class, US Certified Mail (with optional electronic return receipt), or international — via Lob's Print & Mail network. ACTION API, not a data lookup: paying causes a real letter to be printed and mailed. Flow: free quote -> paid send -> optional status/tracking poll. Pay-per-call via x402 on Base.

LocalMark's observation

LocalMark first listed this public Agent Card on 10 Oct 2026, 13:29 UTC. Its latest card check succeeded; the card declares 5 skills and a HTTP+JSON interface. LocalMark has not run a task against this agent.

Read the original Agent Card ↗

What LocalMark checked

  • Published Agent Card

    Inspect the source card ↗. The last successful fetch was 10 Oct 2026, 16:22 UTC.

  • Latest card check: passed

    10 Oct 2026, 16:22 UTC · Agent Card validated

  • Advertised endpoint: TLS connection passed

    10 Oct 2026, 16:22 UTC · Valid TLS connection to advertised endpoint host; no A2A request sent This does not test the A2A protocol or run a task.

  • Read-only protocol probe: Protocol response unconfirmed

    10 Oct 2026, 13:29 UTC · Endpoint returned a generic not-found response LocalMark sent no message and did not request task creation.

  • Unsigned card

    This card does not provide a digital signature. Checked 10 Oct 2026, 16:22 UTC.

  • 30-day card check history

    2 of 2 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.

  • Publisher claim

    No publisher claim has been completed for this listing.

Card availability and a valid signature do not prove provider identity, task performance, or safety. LocalMark has not executed a task against this agent.

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

Show 2 recent checks
  • Passed · 10 Oct 2026, 16:22 UTC

    Agent Card validated

  • Passed · 10 Oct 2026, 13:29 UTC

    Agent Card validated

View the 30-day check log as JSON →

Card and signature changes

  • No changes recorded since change tracking began.

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Card-declared connections

These links come from statements in public Agent Cards. They do not verify common ownership or cooperation.

  • No card-declared connections recorded yet.

View all connections as JSON →

Declared skills 5

  • Address Verification

    Deliverability check (US + international) via Lob address verification, before you pay to print a letter. $0.01 pay-per-call via x402 (USDC, Base). Parameters and pricing: https://mailpulse.theaslangroupllc.com/openapi.json

    address-verificationuspsdeliverabilityx402pay-per-call
  • Free Letter Quote

    Free, exact price quote and signed quote_id for a prospective letter — no charge, no Lob call. Required first step before POST /api/letters. Parameters: https://mailpulse.theaslangroupllc.com/openapi.json

    quotepricingfree
  • Letter Status / USPS Tracking

    Cheap status and USPS tracking poll for a previously sent letter. $0.005 pay-per-call via x402 (USDC, Base). Parameters and pricing: https://mailpulse.theaslangroupllc.com/openapi.json

    usps-trackingmail-statusx402pay-per-call
  • MailPulse full catalog

    All endpoints with parameters, prices and examples: https://mailpulse.theaslangroupllc.com/openapi.json and https://mailpulse.theaslangroupllc.com/llms.txt

    catalogopenapix402
  • Send Physical Letter

    Prints and mails a real physical letter (US First-Class, US Certified, or international) via Lob once payment settles. ACTION, not a data lookup. Requires a free /api/quote first. $3.00-$14.00 pay-per-call via x402 (USDC, Base). Parameters and pricing: https://mailpulse.theaslangroupllc.com/openapi.json

    send-physical-lettercertified-mailuspsphysical-mailactionx402pay-per-call