api-production-853c.up.railway.app · repair

Repair invalid social publishing payloads after validation. Fixes X/Twitter, LinkedIn, and Xiaohongshu posts, preserves intent, removes risky terms or links when possible, and returns corrected JSON, fixed rule codes, remaining risks, and diff so agents can retry safely.

Call it in 30 seconds

// npm i x402-fetch viem
import { wrapFetchWithPayment } from "x402-fetch";
import { createWalletClient, http } from "viem";
import { privateKeyToAccount } from "viem/accounts";
import { base } from "viem/chains";

const account = privateKeyToAccount(process.env.PRIVATE_KEY); // funds USDC on Base
const wallet = createWalletClient({ account, chain: base, transport: http() });
const fetchWithPay = wrapFetchWithPayment(fetch, wallet);

// Pays the $0.006 USDC automatically on the 402, then returns the real response:
const res = await fetchWithPay("https://api-production-853c.up.railway.app/v1/repair", { method: "POST" });
console.log(await res.json());

# pip install x402 eth-account httpx
import os, asyncio
from eth_account import Account
from x402.clients.httpx import x402HttpxClient

account = Account.from_key(os.environ["PRIVATE_KEY"])  # funds USDC on Base

async def main():
    async with x402HttpxClient(account=account) as client:
        # x402 handles the 402 -> pay ($0.006 USDC) -> retry automatically
        r = await client.get("https://api-production-853c.up.railway.app/v1/repair")
        print((await r.aread()).decode())

asyncio.run(main())

# 1) An unpaid request returns HTTP 402 with the exact payment terms:
curl -i -X POST "https://api-production-853c.up.railway.app/v1/repair" \
  -H 'content-type: application/json' \
  -d '{"hashtags": [], "imageUrls": [], "platform": "xiaohongshu", "preserveIntent": "\u4ecb\u7ecd\u4e00\u4e2a AI \u5de5\u4f5c\u6d41\u5de5\u5177\uff1a\u5148\u6821\u9a8c\u5e73\u53f0\u89c4\u5219\uff0c\u518d\u4fee\u590d\u53d1\u5e03 payload\uff0c\u51cf\u5c11\u8fdd\u89c4\u548c\u8fd4\u5de5\u98ce\u9669\u3002", "text": "\u52a0\u5fae\u4fe1\u67e5\u770b\u8be6\u60c5 https://example.com #AI #\u6548\u7387 #\u81ea\u52a8\u5316 #\u589e\u957f #\u5de5\u5177 #\u8425\u9500 #\u5f15\u6d41 #\u901f\u6210 #\u526f\u4e1a #\u7206\u6b3e #\u8fd0\u8425", "title": "\u8fd9\u662f\u4e00\u4e2a\u660e\u663e\u8d85\u8fc7\u4e8c\u5341\u4e2a\u5b57\u7684\u5c0f\u7ea2\u4e66\u7206\u6b3e\u6807\u9898\u6848\u4f8b"}'

# 2) Paying + retrying requires an x402 client that can sign the USDC
#    authorization (curl alone cannot). See the JS / Python tabs below.

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