ToolAssay

Buy a verified listing for YOUR x402 endpoint, remote MCP server or A2A agent —

Buy a verified listing for YOUR x402 endpoint, remote MCP server or A2A agent — paid by the agent in USDC, no humans. We probe it live (402 shape / MCP handshake / agent card); if it passes, it is listed for 30 days in the Toll402 catalog, llms.txt, agent card and landing, and ranked higher in /v1/find and the /v1/do router. basic $1 · featured $5 (top of results). Charged only when verification passes. Free quote: POST /v1/listings/quote.

Not tested: has real-world effectsour last check, 2026-09-28
0 of 0checks answered this week
n/amedian answer time
$1.00listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://toll402.dev/v1/listings

CategoryEverything else
Provider hosttoll402.dev
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "body": {
    "kind": "x402",
    "tags": [
      "finance"
    ],
    "tier": "basic",
    "url": "https://api.example.com/v1/quote"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "contact": {
              "description": "Email or URL where we can reach you (not published)",
              "maxLength": 120,
              "type": "string"
            },
            "description": {
              "maxLength": 600,
              "minLength": 20,
              "type": "string"
            },
            "kind": {
              "description": "x402 = HTTP endpoint that answers 402; mcp = remote MCP server (Streamable HTTP); agent = A2A agent card URL",
              "enum": [
                "x402",
                "mcp",
                "agent"
              ],
              "type": "string"
            },
            "name": {
              "maxLength": 80,
              "minLength": 2,
              "type": "string"
            },
            "owner": {
              "description": "Your wallet (0x) for attribution and future creator payouts",
              "maxLength": 80,
              "type": "string"
            },
            "tags": {
              "default": [],
              "items": {
                "maxLength": 30,
                "type": "string"
              },
              "maxItems": 10,
              "type": "array"
            },
            "tier": {
              "default": "basic",
              "description": "basic $1/30 days \u00b7 featured $5/30 days (top of results, landing spotlight)",
              "enum": [
                "basic",
                "featured"
              ],
              "type": "string"
            },
            "url": {
              "description": "The endpoint / MCP URL / agent-card URL",
              "format": "uri",
              "type": "string"
            }
          },
          "required": [
            "kind",
            "url"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "ms": {
              "type": "integer"
            },
            "ok": {
              "type": "boolean"
            },
            "result": {
              "properties": {
                "listed": {
                  "type": "boolean"
                },
                "listing": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "kind": {
                      "type": "string"
                    },
                    "listedUntil": {
                      "type": "string"
                    },
                    "tier": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                }
              },
              "type": "object"
            },
            "tool": {
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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