Roundhouse

Stride20k

Multi-endpoint agent data gateway: normalized, schema-stable JSON for crypto prices, DeFi TVL, on-chain DEX pools, gas, FX, US Treasury yields, US weather, WHOIS, DNS, email validation, web-page extraction, tech news, Wikipedia summaries, npm package health, and token risk scoring. Pay per call with USDC via the x402 protocol — no accounts, no API keys.

DataLiveeip155:8453Exactvia cdp
https://gateway.stride20k.com/network/dns/:type/:name
Network
Calls · 30d
3
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 10 snapshots so far.
$1.46
Verified settled volume
33 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.
3
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-08-30 12:06Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x552Cc4A10878C7F20574489D47184249657Ca3f6

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.

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "ok": false,
  "error": {
    "code": "PAYMENT_REQUIRED",
    "message": "Resolve a DNS record via DNS-over-HTTPS with DNSSEC validation status. Price: $0.002 (USDC via x402). Machine-readable catalog: /.well-known/x402.json",
    "retryable": true
  },
  "preview": {
    "note": "Example of the exact envelope a paid call returns.",
    "example": {
      "ok": true,
      "data": {
        "name": "example.com",
        "type": "A",
        "answers": [
          {
            "ttl": 165,
            "data": "104.20.23.154",
            "name": "example.com",
            "typeCode": 1
          }
        ],
        "dnssecValidated": true
      },
      "meta": {
        "cached": false,
        "source": "Cloudflare DoH",
        "fetchedAt": "2026-07-04T00:00:00.000Z",
        "attribution": null
      },
      "endpoint": "/network/dns/:type/:name"
    }
  }
}

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 0x552C…Ca3f6. The signed payment is good for 1 minute.

Paid to
0x552C…Ca3f6
USD Coin contract
0x8335…02913
Payment window
1 minute
As published
2000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x552Cc4A10878C7F20574489D47184249657Ca3f6",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 60
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "pathParams": {
          "name": "example.com",
          "type": "A"
        },
        "queryParams": {}
      },
      "output": {
        "type": "json",
        "example": {
          "ok": true,
          "data": {
            "name": "example.com",
            "type": "A",
            "answers": [
              {
                "ttl": 165,
                "data": "104.20.23.154",
                "name": "example.com",
                "typeCode": 1
              }
            ],
            "dnssecValidated": true
          },
          "meta": {
            "cached": false,
            "source": "Cloudflare DoH",
            "fetchedAt": "2026-07-04T00:00:00.000Z",
            "attribution": null
          },
          "endpoint": "/network/dns/:type/:name"
        }
      }
    },
    "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"
            },
            "pathParams": {
              "type": "object",
              "required": [
                "type",
                "name"
              ],
              "properties": {
                "name": {
                  "type": "string",
                  "pattern": "(_?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\\.)+(?:[a-zA-Z]{2,}|xn--[a-zA-Z0-9-]{2,})",
                  "normalize": "hostname",
                  "description": "Name to resolve (e.g. 'example.com', '_dmarc.example.com')."
                },
                "type": {
                  "enum": [
                    "A",
                    "AAAA",
                    "CNAME",
                    "MX",
                    "NS",
                    "TXT",
                    "SOA",
                    "CAA",
                    "SRV",
                    "PTR",
                    "DS",
                    "DNSKEY",
                    "HTTPS",
                    "SVCB",
                    "TLSA",
                    "NAPTR"
                  ],
                  "hint": "DNS record types are letters (A, AAAA, CNAME, MX, TXT, ...), never numeric chain IDs — see the enum list in this error's message.",
                  "type": "string",
                  "missTrack": true,
                  "normalize": "upper",
                  "description": "DNS record type."
                }
              }
            },
            "queryParams": {
              "type": "object",
              "properties": {}
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object",
              "required": [
                "ok",
                "endpoint",
                "data",
                "meta"
              ],
              "properties": {
                "ok": {
                  "type": "boolean",
                  "description": "true on success."
                },
                "data": {
                  "type": "object",
                  "required": [
                    "name",
                    "type",
                    "answers"
                  ],
                  "properties": {
                    "name": {
                      "type": "string",
                      "description": "Queried name."
                    },
                    "type": {
                      "type": "string",
                      "description": "Queried record type."
                    },
                    "answers": {
                      "type": "array",
                      "description": "Answer records: { name, typeCode, ttl, data }."
                    },
                    "dnssecValidated": {
                      "type": "boolean",
                      "description": "True if the resolver validated the response (AD bit)."
                    }
                  }
                },
                "meta": {
                  "type": "object",
                  "required": [
                    "source",
                    "cached",
                    "fetchedAt"
                  ],
                  "properties": {
                    "cached": {
                      "type": "boolean",
                      "description": "Whether this response was served from cache."
                    },
                    "source": {
                      "type": "string",
                      "description": "Upstream source: Cloudflare DoH."
                    },
                    "fetchedAt": {
                      "type": "string",
                      "description": "ISO 8601 time the data was actually retrieved from the upstream."
                    },
                    "attribution": {
                      "type": [
                        "string",
                        "null"
                      ],
                      "description": "Licensing attribution when the source requires it."
                    }
                  }
                },
                "endpoint": {
                  "type": "string",
                  "description": "Always \"/network/dns/:type/:name\"."
                }
              }
            }
          }
        }
      }
    },
    "routeTemplate": "/network/dns/:type/:name"
  }
}

Provenance

Seen in the source catalog
2026-08-30 12:06Z
Last indexed by Roundhouse
2026-09-04 20:20Z
Last enriched (probe, favicon, geo)
2026-08-28 05:45Z
x402 version
2
Max timeout
60s
Liveness probe
HTTP 400
Report

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. 10 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service Stride20k 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=Stride20k'
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://gateway.stride20k.com/network/dns/:type/:name, 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. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://app.roundhouseai.io/dashboard/team.

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