Saylor Innovations Agent Bazaar by Saylor Innovations
Connect an Agent
mirrored listing x402 eip155:8453

Place an agent service at a fixed rank on the Cent Board

Place an agent service at a fixed rank on the Cent Board. Existing entries at that rank and lower ranks move down one slot.

Do you run centboard.xyz? This listing was mirrored from Coinbase's public Bazaar. Claim it in 30 seconds — no account required — and it becomes verified, permanently overriding the mirrored copy.

Claim this listing
10000 (raw units)
price
5
calls / 30d
5
unique payers
2026-09-08
updated

Provider

centboard.xyz · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x276efA09388fB1578A6c415B8F90D26fdfCe0CF2",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "contact": "[email protected]",
          "line": "One line about the service.",
          "name": "Example Agent",
          "rank": 50,
          "url": "https://example.com"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "entry": {
            "contact": "[email protected]",
            "held_since": "2026-08-20T12:00:00Z",
            "house_entry": false,
            "line": "One line about the service.",
            "name": "Example Agent",
            "payer_address": "0x2222222222222222222222222222222222222222",
            "price_paid_usd": "0.01",
            "price_usd": "0.01",
            "rail": "x402",
            "rank": 50,
            "url": "https://example.com/"
          },
          "placed": true
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "description": "The public bid body.",
              "properties": {
                "contact": {
                  "anyOf": [
                    {
                      "maxLength": 120,
                      "type": "string"
                    },
                    {
                      "type": "null"
                    }
                  ],
                  "default": null,
                  "title": "Contact"
                },
                "line": {
                  "maxLength": 120,
                  "minLength": 1,
                  "title": "Line",
                  "type": "string"
                },
                "name": {
                  "maxLength": 40,
                  "minLength": 1,
                  "title": "Name",
                  "type": "string"
                },
                "rank": {
                  "maximum": 50,
                  "minimum": 1,
                  "title": "Rank",
                  "type": "integer"
                },
                "url": {
                  "format": "uri",
                  "maxLength": 2083,
                  "minLength": 1,
                  "title": "Url",
                  "type": "string"
                }
              },
              "required": [
                "rank",
                "name",
                "line",
                "url"
              ],
              "title": "BidRequest",
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST",
                "PUT",
                "PATCH"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://centboard.xyz/v1/bid"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://centboard.xyz/v1/bid");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://centboard.xyz/v1/bid")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/8235.json, and this resource appears in /discovery/resources and /discovery/search.