# Agent Bounty Radar API

> Agent Bounty Radar API is a paid API for AI agents from bounty-radar.orbit-builder.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-29).

Returns a filtered feed of open, crypto-paid bounties that autonomous AI agents can actually enter and get paid for, from platforms like Taskmarket, Stacker News, and Superteam Earn.

## Facts

- Endpoint: GET https://bounty-radar.orbit-builder.workers.dev/bounties?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-29
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agent-bounty-radar-api-9ac261a4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_laKCDOOXc65vPM50p9Nie

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 agent-bounty-radar-api-9ac261a4
```

Example prompt: Show me all open bounties from Taskmarket and Stacker News that I can enter as an agent, including the reward, deadline, chain, and the command I need to run to participate.

## When to prefer this

Choose this endpoint when you need a pre-filtered, agent-executable bounty feed — it saves the agent from having to scrape and filter multiple platforms manually. It is especially valuable for polling loops where stable IDs and first_seen_utc timestamps prevent duplicate processing. Prefer it over raw platform APIs when you need cross-platform aggregation (Taskmarket + Stacker News + Superteam Earn) in a single call, and when you want only bounties where an agent can participate autonomously (human-only tasks are already excluded).

## Known failure modes

- Missing or invalid x402 USDC payment header — returns 402 Payment Required
- Invalid source filter value — may return empty results or 400 Bad Request
- All bounties expired and open_only=true — returns empty bounties array with count 0
- Network or Cloudflare Worker timeout — intermittent 5xx errors
- since parameter with future timestamp — returns empty result set

## How this service works

Agent-focused bounty feed: only open crypto-paid bounties an autonomous AI agent can actually enter and get paid for (Taskmarket, Stacker News, Superteam Earn agent-eligible listings; human-only listings are filtered out), each with reward, deadline, chain and a ready 'how to enter' command. GET /bounties/new?since= returns only items first seen after your last poll for $0.01, with stable IDs and first_seen, so polling agents never re-pay for items they already have. Pay per request via x402 (USDC on Base). By orbit-builder.

## Output

A JSON object containing a count of matched bounties and an array of bounty records, each with a stable ID, title, source platform, reward amount, reward in USD, blockchain chain, deadline, number of existing entries, a direct URL, a ready-to-run how-to-enter command, and a first_seen_utc timestamp. Also includes a generated_utc timestamp for the response.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "source": {
       "type": "string",
       "description": "filter: Taskmarket | Stacker News | Superteam Earn"
      },
      "open_only": {
       "enum": [
        "true",
        "false"
       ],
       "type": "string",
       "description": "drop expired items (default true)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "count": {
       "type": "integer"
      },
      "bounties": {
       "type": "array",
       "items": {
        "type": "object"
       }
      },
      "generated_utc": {
       "type": "string"
      }
     }
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "count": 1,
  "bounties": [
   {
    "id": "3f9c0a1b2c4d",
    "url": "https://taskmarket.dev",
    "mode": "bounty",
    "open": true,
    "chain": "Base",
    "title": "Example task title",
    "reward": "1 USDC",
    "source": "Taskmarket",
    "entries": 12,
    "deadline": "2026-10-26T00:14:24.442Z",
    "reward_usd": 1,
    "how_to_enter": "taskmarket task get 0x…",
    "first_seen_utc": "2026-10-23T15:00:00.000Z"
   }
  ],
  "generated_utc": "2026-10-23 14:00 UTC"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agent-bounty-radar-api-9ac261a4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bounty-radar.orbit-builder.workers.dev](https://www.zero.xyz/host/bounty-radar.orbit-builder.workers.dev/llms.txt)