SiteCheck Health & Travel

US rules for mailing prescription drugs from the official texts, section by section with citations: USPS Publication 52 section 453 (definitions, mailer responsibility, what may be mailed, packaging and marking) and DEA 21 CFR Part 1306 (who may prescribe and fill, Schedule II-V refills, labeling, online pharmacies, telemedicine). Filter by source or words in the text.

TradingLiveeip155:8453Exactvia cdp

https://api.healthtravel-api.workers.dev/api/health/usps-prescription-ship

HealthUspsPrescriptionShip

Calls · 30d

2

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 3 snapshots so far.

$7.88

Verified settled volume

2,995 settlements proven x402 by their on-chain EIP-3009 marker.

$0.0020

Listed price

As published in the catalog. Always read the live 402 before paying.

2

Calls · 30d

Upstream's own call count for this endpoint, not ours.

2

Unique payers · 30d

Last called 2026-10-23 21:45Z

—

Upstream on-chain volume

Reported by the source catalog.

Paid to

0xb8491F953e6860D3b5840b73c60883Ff099ceAfA

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.002USDC≈ $0.002 USD

on Base · exact scheme

Pay 0.002 USDC on Base to 0xb849…ceAfA. The signed payment is good for 5 minutes.

Paid to: 0xb849…ceAfA
USD Coin contract: 0x8335…02913
Payment window: 5 minutes
As published: 2000 smallest units

2000units

on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: J8vnmB…BRdhR
Token contract: EPjFWd…TDt1v
Payment window: 5 minutes

2000units

on eip155:5042 · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: 0xa475…39be3
Token contract: 0x3600…00000
Payment window: 5 minutes

2000units

on Polygon · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: 0xb849…ceAfA
Token contract: 0x3c49…c3359
Payment window: 5 minutes

2000units

on Arbitrum · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: 0xb849…ceAfA
Token contract: 0xaf88…e5831
Payment window: 5 minutes

2000units

on eip155:143 · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: 0xb849…ceAfA
Token contract: 0x7547…fb603
Payment window: 5 minutes

2000units

on eip155:480 · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: 0xb849…ceAfA
Token contract: 0x79A0…D24d1
Payment window: 5 minutes

2000units

on Optimism · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: 0xb849…ceAfA
Token contract: 0x0b2C…7Ff85
Payment window: 5 minutes

2000units

on eip155:42220 · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: 0xb849…ceAfA
Token contract: 0xcebA…2118C
Payment window: 5 minutes

0.002units

on xrpl:0 · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: rDxNZC…Cf8UJ
Token contract: 524C55…00000
Payment window: 5 minutes

1534units

on xrpl:0 · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to: rDxNZC…Cf8UJ
Token contract: XRP
Payment window: 5 minutes

The catalog’s raw entry

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
    },
    "payTo": "J8vnmBx4pS1X7UUBTfz1yWBKiw69Dj2yRGRHDaXBRdhR",
    "amount": "2000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x3600000000000000000000000000000000000000",
    "extra": {
      "name": "USDC",
      "version": "2"
    },
    "payTo": "0xa4751fCAa83c9669cfe507bb6807507729839be3",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:5042",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:137",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:42161",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
    "extra": {
      "name": "USDC",
      "version": "2"
    },
    "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:143",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x79A02482A880bCE3F13e09Da970dC34db4CD24d1",
    "extra": {
      "name": "USDC",
      "version": "2"
    },
    "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:480",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:10",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
    "extra": {
      "name": "USDC",
      "version": "2"
    },
    "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:42220",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "524C555344000000000000000000000000000000",
    "extra": {
      "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
      "invoiceId": "af9d579f-d00c-4ad4-b9f3-ef4cea49c529",
      "sourceTag": 804681468,
      "areFeesSponsored": false
    },
    "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
    "amount": "0.002",
    "scheme": "exact",
    "network": "xrpl:0",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "XRP",
    "extra": {
      "invoiceId": "f7da0244-b995-4241-bea1-bf92dd96ab38",
      "sourceTag": 804681468,
      "areFeesSponsored": false
    },
    "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
    "amount": "1534",
    "scheme": "exact",
    "network": "xrpl:0",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "query": "packaging",
          "source": "usps"
        }
      },
      "output": {
        "type": "json",
        "example": {
          "count": 4,
          "query": "packaging",
          "source": "usps",
          "section": null,
          "sources": [
            "https://pe.usps.com/text/pub52/pub52c4_020.htm",
            "https://www.ecfr.gov/current/title-21/chapter-II/part-1306"
          ],
          "ecfrDate": null,
          "sections": [
            {
              "url": "https://pe.usps.com/text/pub52/pub52c4_020.htm#ep290396",
              "text": "The mailer is fully responsible for the following:\nRegulatory Compliance: Ensuring compliance with Postal Service regulations, as well as federal, state, and local laws governing distribution (e.g., the Poison Prevention Packaging Act and the Consumer Product Safety Act), and regulations governing d…",
              "level": 2,
              "title": "Mailer Responsibility",
              "source": "usps",
              "section": "453.2",
              "citation": "USPS Publication 52, §453.2"
            },
            {
              "url": "https://pe.usps.com/text/pub52/pub52c4_020.htm#ep290436",
              "text": "Mailing of small amounts of unknown matter suspected to contain controlled substances to federal, state, or local law enforcement agencies, for law enforcement purposes, is permissible provided all applicable packaging requirements in 453.4 are met.",
              "level": 3,
              "title": "Small Amounts for Law Enforcement Purposes",
              "source": "usps",
              "section": "453.34",
              "citation": "USPS Publication 52, §453.34"
            }
          ],
          "checkedAt": "2026-10-23T09:36:34.083Z"
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "properties": {
                "query": {
                  "type": "string",
                  "description": "Optional words that must all appear in the section title or text, e.g. packaging, schedule II, refill"
                },
                "source": {
                  "enum": [
                    "all",
                    "usps",
                    "dea"
                  ],
                  "type": "string",
                  "description": "usps = Publication 52 §453, dea = 21 CFR Part 1306, all (default)"
                },
                "section": {
                  "type": "string",
                  "description": "Optional exact section number, e.g. 453.34 or 1306.12"
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog: 2026-10-23 21:45Z
Last indexed by Roundhouse: 2026-10-26 17:30Z
Last enriched (probe, favicon, geo): 2026-10-24 08:46Z
x402 version: 2
Max timeout: 300s
Liveness probe: HTTP 402

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 3 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Show the prompt

Using Roundhouse, look up the x402 service SiteCheck Health & Travel and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=SiteCheck%20Health%20%26%20Travel'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://api.healthtravel-api.workers.dev/api/health/usps-prescription-ship, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at
GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at
https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.