{
 "version": 1,
 "x402Version": 2,
 "name": "MailPulse",
 "description": "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.",
 "resources": [
  {
   "resource": "https://mailpulse.theaslangroupllc.com/api/health",
   "method": "GET",
   "price_usd": 0,
   "asset": "USDC",
   "networks": [
    "eip155:8453",
    "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "xrpl:0",
    "eip155:137",
    "eip155:42161",
    "eip155:480",
    "eip155:999",
    "eip155:143",
    "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
    "eip155:196"
   ],
   "description": "Liveness check + current mode (test/live)."
  },
  {
   "resource": "https://mailpulse.theaslangroupllc.com/api/verify-address",
   "method": "POST",
   "price_usd": 0.01,
   "asset": "USDC",
   "networks": [
    "eip155:8453",
    "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "xrpl:0",
    "eip155:137",
    "eip155:42161",
    "eip155:480",
    "eip155:999",
    "eip155:143",
    "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
    "eip155:196"
   ],
   "description": "Deliverability check (US + international) via Lob address verification, before you pay to print."
  },
  {
   "resource": "https://mailpulse.theaslangroupllc.com/api/quote",
   "method": "POST",
   "price_usd": 0,
   "asset": "USDC",
   "networks": [
    "eip155:8453",
    "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "xrpl:0",
    "eip155:137",
    "eip155:42161",
    "eip155:480",
    "eip155:999",
    "eip155:143",
    "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
    "eip155:196"
   ],
   "description": "Free, exact price quote + signed quote_id for a prospective letter. No Lob call, no charge."
  },
  {
   "resource": "https://mailpulse.theaslangroupllc.com/api/letters",
   "method": "POST",
   "asset": "USDC",
   "networks": [
    "eip155:8453",
    "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "xrpl:0",
    "eip155:137",
    "eip155:42161",
    "eip155:480",
    "eip155:999",
    "eip155:143",
    "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
    "eip155:196"
   ],
   "description": "THE action: prints and mails a real physical letter once payment settles. Requires a verified quote_id and a client_request_id for idempotency. Price varies $3.00-$14.00 by service; every order capped at $25.00."
  },
  {
   "resource": "https://mailpulse.theaslangroupllc.com/api/letters/{id}",
   "method": "GET",
   "price_usd": 0.005,
   "asset": "USDC",
   "networks": [
    "eip155:8453",
    "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "xrpl:0",
    "eip155:137",
    "eip155:42161",
    "eip155:480",
    "eip155:999",
    "eip155:143",
    "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
    "eip155:196"
   ],
   "description": "Cheap status/USPS tracking poll for a previously sent letter."
  }
 ],
 "links": {
  "openapi": "https://mailpulse.theaslangroupllc.com/openapi.json",
  "llms": "https://mailpulse.theaslangroupllc.com/llms.txt",
  "agent": "https://mailpulse.theaslangroupllc.com/.well-known/agent.json"
 },
 "contact": "https://mailpulse.theaslangroupllc.com"
}