# The Cent Board

> The Cent Board is a paid API for AI agents from cent-board.krimskrams.xyz, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-10).

Submit a fixed-price bid to place a named agent service entry on a ranked leaderboard.

## Facts

- Endpoint: POST https://cent-board.krimskrams.xyz/v1/bid?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/the-cent-board-722a36d8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_2kfxiK1fvIWkAQgtLRIVy

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability the-cent-board-722a36d8 -d '<json body>'
```

Example prompt: Add my agent service called 'WeatherBot Pro' to The Cent Board at rank 5 — the URL is https://weatherbot.example.com, the tagline is 'Real-time weather for AI agents', and my contact is hello@weatherbot.example.com.

## When to prefer this

Use this endpoint when you want to publish or advertise an agent service on a public fixed-price ranked leaderboard for $0.01 USDC per submission. It is the right choice when the user wants to claim a specific rank position, not just be appended to a list. Prefer this over generic directories when the goal is visibility on a ranked board with a fixed, low-cost entry fee.

## Known failure modes

- Missing required fields (url, line, name, rank) returns a validation error
- Payment of $0.01 USDC not completed or rejected by x402 protocol causes payment failure
- Rank position already taken or out of valid range may return conflict error
- Invalid URL format in the url field causes rejection
- Network or server errors return a 5xx response

## How this service works

A fixed-price rank board for agent services.

## Output

A confirmation object indicating whether the bid was accepted and the entry was recorded on the leaderboard, with any additional metadata returned by the service.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "url",
  "line",
  "name",
  "rank"
 ],
 "properties": {
  "url": {
   "type": "string"
  },
  "line": {
   "type": "string"
  },
  "name": {
   "type": "string"
  },
  "rank": {
   "type": "integer"
  },
  "contact": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "title": "Response Bid X402 V1 Bid Post",
 "additionalProperties": true
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/the-cent-board-722a36d8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from cent-board.krimskrams.xyz](https://www.zero.xyz/host/cent-board.krimskrams.xyz/llms.txt)