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Add Circle/x402 paid crawl endpoint for autonomous agents

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评估

难度
5/5
预计耗时
一周以上
新手友好度
25/100
Issue 类型
功能
描述清晰度
需要澄清
活跃度
冷清
技术栈
docker, fastapi, python
领域
api, backend, payments

调研方向

Start by locating the existing /crawl, /crawl/job, /crawl/stream, and /llm/job API entry points and the crawl/job pipeline they use. Review how request schemas, authentication, and results are handled before defining the additive /x402/crawl behavior. Done would include the paid route, payment verification, crawl output with a receipt, and documentation of supported networks, pricing, schemas, and retries.

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描述

Proposal: add an optional Circle/x402 paid crawl endpoint for autonomous agents

I ran a static Circle/x402 readiness scan against Crawl4AI to see whether it could become an agent-payable service. Crawl4AI is a strong fit because agents already need on-demand crawling, extraction, and LLM-ready web data.

Readiness summary
  • Score from the scan: 46/100 — good candidate, medium effort.
  • The repo has meaningful primitives for crawling jobs, schemas, rate/concurrency concerns, and receipt/proof-like result concepts.
  • I did not find x402 or Circle Agent Wallet/Marketplace-specific documentation.
  • The scanner did not fully detect Crawl4AI's Python/FastAPI-style routes, but source references show Docker/API surfaces such as /crawl, /crawl/job, /crawl/stream, and /llm/job patterns.
Why this is useful

AI agents often need one-off crawling or extraction without a long-lived API key, dashboard account, or shared credit pool. A Circle/x402 paid route would let an agent:

  1. Discover a paid crawl endpoint.
  2. Inspect price and input schema.
  3. Pay in USDC from a Circle Agent Wallet.
  4. Receive crawl output plus a receipt/proof object.
Suggested first implementation

Start with a narrow additive endpoint rather than changing the whole auth or deployment model:

POST /x402/crawl
  -> return 402 Payment Required when no valid payment is supplied
  -> verify x402 payment on Base/USDC
  -> run the existing crawl/job pipeline
  -> return { data, receipt }

A receipt shape for agent buyers could look like:

{
  "receipt": {
    "amount": "0.01",
    "asset": "USDC",
    "network": "base",
    "resource": "POST /x402/crawl",
    "requestHash": "sha256:...",
    "resultHash": "sha256:...",
    "jobId": "crawl_..."
  }
}
Circle Agent Marketplace readiness docs

If this is interesting, I would also document:

  • supported network(s)
  • USDC price per crawl or per page
  • request JSON schema
  • response JSON schema
  • receipt/proof object
  • timeout and retry behavior
  • how Circle Agent Wallet / x402 clients should pay

I generated this from Budcle, a small scanner for identifying Circle/x402 adoption gaps in open-source API projects: https://github.com/batikanor/Budcle

This is intentionally additive: existing Crawl4AI library usage, Docker deployment, and auth choices can remain unchanged while adding one agent-payable path for x402-capable clients.

主要语言
Python
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环境准备

从这里开始

  1. 先读完整个 Issue，再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库，在一个分支上完成修改。
  4. 提交 Pull Request，并在描述里引用这个 Issue 编号。

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