x402.forgemesh.io

Utility APIs agents pay per call with USDC on Base via x402 — OCR, PDF, vision, audio, embeddings, web extraction, geo & space data, content-signal checks. No API keys.

SearchLiveeip155:8453Exactvia cdp
Calls · 30d
1→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 12 snapshots so far.
$2.94
Verified settled volume
622 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0010
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-08-05 16:06Z
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432

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",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://x402.forgemesh.io/number-facts",
      "description": "Number facts API: everything mathematically interesting about any integer — is it prime, its prime factorization, Fibonacci membership, perfect-square status, even/odd, binary and hexadecimal forms, Roman numeral, and digit sum. Computed locally, deterministic, instant. For quiz agents, content generation, validation, and the incurably curious.",
      "maxAmountRequired": "1000",
      "maxTimeoutSeconds": 300
    }
  ],
  "x402Version": 1
}

Accepts

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

0.001USDC≈ $0.001 USD
on Base · exact scheme

Pay 0.001 USDC on Base to 0x8503…F9432. The signed payment is good for 5 minutes.

USD Coin contract
0x8335…02913
Payment window
5 minutes
As published
1000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432",
    "amount": "1000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "info": {
    "required": false
  },
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "number": "402"
        },
        "type": "http",
        "method": "POST",
        "bodyType": "json"
      },
      "output": {
        "type": "json",
        "example": {
          "binary": "110010010",
          "number": 402,
          "is_prime": false,
          "digit_sum": 6,
          "prime_factors": [
            2,
            3,
            67
          ],
          "roman_numeral": "CDII"
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "properties": {
            "body": {
              "type": "object",
              "properties": {
                "number": {
                  "type": "string",
                  "description": "any integer, default 42"
                }
              }
            },
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  },
  "schema": {
    "type": "object",
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "required": [
      "required"
    ],
    "properties": {
      "id": {
        "type": "string",
        "pattern": "^[a-zA-Z0-9_-]+$",
        "maxLength": 128,
        "minLength": 16
      },
      "required": {
        "type": "boolean"
      }
    }
  },
  "offer-receipt": {
    "info": {
      "offers": [
        {
          "format": "eip712",
          "payload": {
            "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "payTo": "0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432",
            "amount": "1000",
            "scheme": "exact",
            "network": "eip155:8453",
            "version": 1,
            "validUntil": 1785946290,
            "resourceUrl": "https://x402.forgemesh.io/number-facts"
          },
          "signature": "0xdef42640413186ef999ee89111539daf718350c30457bf6645bdbd6f11665b297103abed9bcd7f46259dcd5d7f7e7e458d19ece67e7383cf9372c6d8b6d687191b",
          "acceptIndex": 0
        }
      ]
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "offers"
      ],
      "properties": {
        "offers": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "format",
              "signature"
            ],
            "properties": {
              "format": {
                "type": "string"
              },
              "payload": {
                "type": "object",
                "required": [
                  "version",
                  "resourceUrl",
                  "scheme",
                  "network",
                  "asset",
                  "payTo",
                  "amount"
                ],
                "properties": {
                  "asset": {
                    "type": "string"
                  },
                  "payTo": {
                    "type": "string"
                  },
                  "amount": {
                    "type": "string"
                  },
                  "scheme": {
                    "type": "string"
                  },
                  "network": {
                    "type": "string"
                  },
                  "version": {
                    "type": "integer"
                  },
                  "validUntil": {
                    "type": "integer"
                  },
                  "resourceUrl": {
                    "type": "string"
                  }
                }
              },
              "signature": {
                "type": "string"
              },
              "acceptIndex": {
                "type": "integer"
              }
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-08-05 16:06Z
Last indexed by Roundhouse
2026-09-04 16:00Z
Last enriched (probe, favicon, geo)
2026-09-22 05:45Z
x402 version
2
Max timeout
300s
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. 12 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 x402.forgemesh.io 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=x402.forgemesh.io'
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://x402.forgemesh.io/number-facts, 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://roundhouseai.io/dashboard/team.

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