Roundhouse

NanoParse

NanoParse is an agent-native web-to-Markdown API. Send a URL, get clean Markdown with Litmus intelligence — $0.005 per parse via x402, no accounts, no subscriptions.

SearchLiveeip155:8453Exactvia cdp
https://nanoparse.app/fetch
WebMarkdownResearch
Calls · 30d
166↑ 94%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 20 snapshots so far.
$3.01
Verified settled volume
368 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0050
Listed price
As published in the catalog. Always read the live 402 before paying.
177
Calls · 30d
Upstream's own call count for this endpoint, not ours.
6
Unique payers · 30d
Last called 2026-10-23 21:55Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x57a1d06873db575baeae1f6af30862a75c7bd570

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.

{
  "error": "payment_required",
  "catalog": [
    {
      "id": "nanoparse_fetch",
      "name": "Fetch",
      "method": "POST",
      "status": "live",
      "endpoint": "/fetch",
      "mcp_tool": "nanoparse_fetch",
      "use_case": "Turn any URL into clean Markdown with metadata and the full 15-signal litmus intelligence layer. Full Chromium rendering for JS-heavy SPAs.",
      "use_when": "Use nanoparse_fetch when you need to read a web page as clean, structured Markdown — articles, docs, news, SPA content — with litmus trust signals attached.",
      "free_tier": "10 free parses per month with a signed wallet, or 3 anonymous free tries per network",
      "price_usd": "0.005",
      "price_unit": "per parse",
      "price_status": "live"
    }
  ],
  "message": "This endpoint requires x402 v2 payment. POST a url with a signed Payment-Signature header to parse a page.",
  "payment_required": {
    "error": "Payment required to access this resource",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2",
          "assetTransferMethod": "eip3009"
        },
        "payTo": "0x57a1d06873db575baeae1f6af30862a75c7bd570",
        "amount": "5000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://nanoparse.app/fetch",
      "tags": [
        "web",
        "markdown",
        "research"
      ],
      "mimeType": "application/json",
      "description": "Fetch a web page and return clean Markdown with Litmus intelligence. Requires payment of $0.005 USDC per page.",
      "serviceName": "NanoParse"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com"
            },
            "type": "http",
            "method": "POST",
            "headers": {},
            "bodyType": "json",
            "queryParams": {}
          },
          "output": {
            "type": "json",
            "example": {
              "markdown": "# Example Domain\n\n..."
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object",
                  "example": {
                    "url": "https://example.com"
                  },
                  "required": [
                    "url"
                  ],
                  "properties": {
                    "url": {
                      "type": "string"
                    }
                  }
                },
                "headers": {
                  "type": "object",
                  "example": {}
                },
                "queryParams": {
                  "type": "object",
                  "example": {}
                }
              }
            },
            "output": {
              "type": "object",
              "properties": {
                "example": {
                  "example": {
                    "markdown": "# Example Domain\n\n..."
                  },
                  "description": "Example successful response body"
                }
              }
            }
          }
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "required"
          ],
          "properties": {
            "id": {
              "type": "string",
              "maxLength": 128,
              "minLength": 16
            },
            "required": {
              "type": "boolean"
            }
          }
        }
      }
    },
    "x402Version": 2
  }
}

Accepts

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

0.005USDC≈ $0.005 USD
on Base · exact scheme

Pay 0.005 USDC on Base to 0x57a1…bd570. The signed payment is good for 1 minute.

Paid to
0x57a1…bd570
USD Coin contract
0x8335…02913
Payment window
1 minute
As published
5000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2",
      "assetTransferMethod": "eip3009"
    },
    "payTo": "0x57a1d06873db575baeae1f6af30862a75c7bd570",
    "amount": "5000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 60
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "url": "https://example.com"
        },
        "type": "http",
        "method": "POST",
        "headers": {},
        "bodyType": "json",
        "queryParams": {}
      },
      "output": {
        "type": "json",
        "example": {
          "markdown": "# Example Domain\n\n..."
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "body"
          ],
          "properties": {
            "body": {
              "type": "object",
              "example": {
                "url": "https://example.com"
              },
              "required": [
                "url"
              ],
              "properties": {
                "url": {
                  "type": "string"
                }
              }
            },
            "headers": {
              "type": "object",
              "example": {}
            },
            "queryParams": {
              "type": "object",
              "example": {}
            }
          }
        },
        "output": {
          "type": "object",
          "properties": {
            "example": {
              "example": {
                "markdown": "# Example Domain\n\n..."
              },
              "description": "Example successful response body"
            }
          }
        }
      }
    }
  },
  "payment-identifier": {
    "info": {
      "required": false
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "required"
      ],
      "properties": {
        "id": {
          "type": "string",
          "maxLength": 128,
          "minLength": 16
        },
        "required": {
          "type": "boolean"
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-10-23 21:55Z
Last indexed by Roundhouse
2026-10-24 01:40Z
Last enriched (probe, favicon, geo)
2026-10-09 06:45Z
x402 version
2
Max timeout
60s
Liveness probe
HTTP 402
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. 20 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 NanoParse 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=NanoParse'
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://nanoparse.app/fetch, 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.